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1. Printed in U.S.A.
Copyright © 2010 CNH America LLC. All Rights Reserved.
Case is a registered trademark of CNH America LLC.
Racine Wisconsin 53404 U.S.A.
Part number S5PW0032E02
English
August 2010
SERVICE MANUAL
CX31B
CX36B
Compact Hydraulic Excavator
CX31B - PIN PW14-46519 - and higher
CX36B - PIN PX15-21105 - and higher

2. SHOP
MANUAL model
INDEX
COMPACT HYDRAULIC EXCAVATOR
SPECIFICATIONSMAINTENANCESYSTEMDISASSEMBLINGTROUBLESHOOTINGE/GOPT.
1
2
3
4
5
6
7
SPECIFICATIONS SECTION
MAINTENANCE SECTION
SYSTEM SECTION
DISASSEMBLY SECTION
TROUBLESHOOTING
ENGINE SECTION
PROCEDURE OF INSTALLING
OPTIONS SECTION
Book Code No.S5PW0032E02
0-1
CX31B
CX36B

3. 0-2
GENERAL SAFETY INFORMATION
Do not operate or perform any maintenance on this
machine until all instructions found in the OPERA-
TOR’S MANUAL and this MANUAL have been thor-
oughly read and understood.
Improper operation or maintenance of this machine
may cause accidents and could result in serious in-
jury or death.
Always keep the manual in storage.
If it is missing or damaged, place an order with an
authorized our Distributor for a replacement.
If you have any questions, please consult an autho-
rized our Distributor.
(1) Most accidents, which occur during operation, are
due to neglect of precautionary measures and safe-
ty rules. Sufficient care should be taken to avoid
these accidents. Erroneous operation, lubrication
or maintenance services are very dangerous and
may cause injury or death of personnel. Therefore
all precautionary measures, NOTES, DANGERS,
WARNINGS and CAUTIONS contained in the man-
ual and on the machine should be read and under-
stood by all personnel before starting any work with
or on the machine.
(2) Operation, inspection, and maintenance should be
carefully carried out, and safety must be given the
first priority. Messages of safety are indicated with
marks. The safety information contained in the
manual is intended only to supplement safety
codes, insurance requirements, local laws, rules
and regulations.
(3) Messages of safety appear in the manual and on
the machine : All messages of safety are identified
by either word of "DANGER", "WARNING" and
"CAUTION".
1) DANGER- Indicates an imminently hazardous
situation which, if not avoided, will result in
death or serious injury and is represented as
follows:
2) WARNING- Indicates a potentially hazardous
situation which, if not avoided, could result in
death or serious injury and is represented as
follows:
3) CAUTION- Indicates a potentially hazardous
situation which, if not avoided, may result in mi-
nor or moderate injury. It may also be used to
alert against possible damage to the machine
and its components and is represented as fol-
lows:
(4) It is very difficult to forecast every danger that may
occur during operation. However, safety can be en-
sured by fully understanding proper operating pro-
cedures for this machine according to methods
recommended by Manufacturer.
(5) While operating the machine, be sure to perform
work with great care, so as not to damage the ma-
chine, or allow accidents to occur.
(6) Continue studying the manual until all Safety, Oper-
ation and Maintenance procedures are completely
understood by all persons working with the ma-
chine.

4. 0-3
SAFETY PRECAUTIONS
The proper and safe lubrication and maintenance
for this machine, recommended by Manufacturer,
are outlined in the OPERATOR’S MANUAL for the
machine.
Improper performance of lubrication or mainte-
nance procedures are dangerous and could result
in injury or death. Read and understand the MAN-
UAL before performing any lubrication or mainte-
nance.
The serviceman or mechanic may be unfamiliar with
many of the systems on this machine. This makes it
important to use caution when performing service work.
A knowledge of the system and or components is im-
portant before the removal or disassembly of any com-
ponent.
Because of the size of some of the machine compo-
nents, the serviceman or mechanic should check the
weights noted in this manual. Use proper lifting proce-
dures when removing any components. Weight of com-
ponents table is shown in the section ;
SPECIFICATIONS.
The following is a list of basic precautions that must al-
ways be observed.
(1) Read and understand all Warning plates and decal
on the machine before Operating, Maintaining or
Repairing this machine.
(2) Always wear protective glasses and protective
shoes when working around machines. In particu-
lar, wear protective glasses when using hammers,
punches or drifts on any part of the machine or at-
tachments. Use welders gloves, hood/goggles,
apron and the protective clothing appropriate to the
welding job being performed. Do not wear loose fit-
ting or torn clothing. Remove all rings from fingers,
loose jewelry, confine long hair and loose clothing
before working on this machinery.
(3) Disconnect the battery and hang a "Do Not Oper-
ate" tag in the Operators Compartment. Remove ig-
nition keys.
(4) If possible, make all repairs with the machine
parked on a firm level surface. Block the machine
so it does not roll while working on or under the ma-
chine. Hang a "Do Not Operate" tag in the Opera-
tors Compartment.
(5) Do not work on any machine that is supported only
by lift, jacks or a hoist. Always use blocks or jack
stands, capable of supporting the machine, before
performing any disassembly.
Do not operate this machine unless you have
read and understand the instructions in the OP-
ERATOR’S MANUAL. Improper machine opera-
tion is dangerous and could result in injury or
death.
(6) Relieve all pressure in air, oil or water systems be-
fore any lines, fittings or related items are discon-
nected or removed. Always make sure all raised
components are blocked correctly and be alert for
possible pressure when disconnecting any device
from a system that utilizes pressure.
(7) Lower the bucket, dozer, or other attachments to
the ground before performing any work on the ma-
chine. If this cannot be done, make sure the bucket,
dozer, ripper or other attachment is blocked correct-
ly to prevent it from dropping unexpectedly.
(8) Use steps and grab handles when mounting or dis-
mounting a machine. Clean any mud or debris from
steps, walkways or work platforms before using.
Always face to the machine when using steps, lad-
ders and walkways. When it is not possible to use
the designed access system, provide ladders, scaf-
folds, or work platforms to perform safe repair oper-
ations.
(9) To avoid back injury, use a hoist when lifting com-
ponents which weigh 20kg (45lbs) or more. Make
sure all chains, hooks, slings, etc., are in good con-
dition and are the correct capacity. Be sure hooks
are positioned correctly. Lifting eyes are not to be
side loaded during a lifting operation.
(10)To avoid burns, be alert for hot parts on machines
which have just been stopped and hot fluids in
lines, tubes and compartments.
(11)Be careful when removing cover plates. Gradually
back off the last two capscrews or nuts located at
opposite ends of the cover or device and carefully
pry cover loose to relieve any spring or other pres-
sure, before removing the last two capscrews or
nuts completely.
(12)Be careful when removing filler caps, breathers and
plugs on the machine. Hold a rag over the cap or
plug to prevent being sprayed or splashed by liq-
uids under pressure. The danger is even greater if
the machine has just been stopped because fluids
can be hot.

5. 0-4
(13)Always use the proper tools that are in good condi-
tion and that are suited for the job at hand. Be sure
you understand how to use them before performing
any service work.
(14)Reinstall all fasteners with the same part number.
Do not use a lesser quality fastener if replacements
are necessary.
(15)Repairs which require welding should be per-
formed only with the benefit of the appropriate ref-
erence information and by personnel adequately
trained and knowledgeable in welding procedures.
Determine type of metal being welded and select
correct welding procedure and electrodes, rods or
wire to provide a weld metal strength equivalent at
least to that of the parent metal. Make sure to dis-
connect battery before any welding procedures are
attempted.
(16)Do not damage wiring during removal operations.
Reinstall the wiring so it is not damaged nor will be
damaged in operation of the machine by contacting
sharp corners, or by rubbing against some object or
hot surface. Do not connect wiring to a line contain-
ing fluid.
(17)Be sure all protective devices including guards and
shields are properly installed and functioning cor-
rectly before starting a repair. If a guard or shield
must be removed to perform the repair work, use
extra caution and replace the guard or shield after
repair is completed.
(18)The maintenance and repair work while holding the
bucket raised is dangerous due to the possibility of
a falling attachment. Don’t fail to lower the attach-
ment and place the bucket to the ground before
starting the work.
(19)Loose or damaged fuel, lubricant and hydraulic
lines, tubes and hoses can cause fires. Do not bend
or strike high pressure lines or install ones which
have been bent or damaged. Inspect lines, tubes
and hoses carefully. Do not check for leaks with
your hands. Very small (pinhole) leaks can result in
a high velocity oil stream that will be invisible close
to the hose. This oil can penetrate the skin and
cause personal injury. Use card-board or paper to
locate pinhole leaks.
(20)Tighten connections to the correct torque. Make
sure that all heat shields, clamps and guards are in-
stalled correctly to avoid excessive heat, vibration
or rubbing against other parts during operation.
Shields that protect against oil spray onto hot ex-
haust components in event of a line, tube or seal
failure must be installed correctly.
(21)Do not operate a machine if any rotating part is
damaged or contacts any other part during opera-
tion. Any high speed rotating component that has
been damaged or altered should be checked for
balance before reusing.
(22)Be careful when servicing or separating the tracks
(crawlers). Chips can fly when removing or install-
ing a track (crawlers) pin. Wear safety glasses and
long sleeve protective clothing. Tracks (crawlers)
can unroll very quickly when separated. Keep away
from front and rear of machine. The machine can
move unexpectedly when both tracks (crawlers)
are disengaged from the sprockets. Block the ma-
chine to prevent it from moving.

6. 0-5
51
42
43
33
34
11
44
31
32
1
2
3
12
13
22
23
24
Index
No.
Title
Book Code No.
Distribution Year–Month
S5PW0232E02
2010-06
S5PA0105E01
2010-03
S5PW0332E02
2010-06
S5PW1131E02
2010-06
S5PW1231E02
2010-06
S5PW1332E02
2010-06
S5PW2232E02
2010-06
S5PW2332E02
2010-06
S5PW2432E02
2010-06
S5PA3105E01
2010-03
_
_
S5PW3232E02
2010-06
S5PW3332E02
2010-06
_
_
_
_
S5PW4231E02
2010-06
S5PW4331E02
2010-06
S5PW4431E02
2010-06
S5PW5131E02
2010-06
_
PW14-46519~
PX15-21105~
S5PW3432E02
2010-06
STANDARD MAINTENANCE
TIME TABLE
MAINTENANCE STANDARD
AND TEST PROCEDURE
GENERAL DISASSEMBLY
& ASSEMBLY
UPPER SLEWING
STRUCTURE
2
1
3
11
12
13
22
23
24
31
32
33
34
42
43
44
51
OUTLINE
SPECIFICATIONS
ATTACHMENT DIMENSIONS
TOOLS
HYDRAULIC SYSTEM
ELECTRIC SYSTEM
COMPONENTS SYSTEM
ATTACHMENT
TRAVEL SYSTEM
HYDRAULIC SYSTEM
ENGINE
ELECTRICAL SYSTEM
ENGINE
APPLICABLE MACHINES
SPECIFICATIONSMAINTENANCESYSTEMDISASSEMBLINGTROUBLESHOOTINGE/G
INDEX CX31B
CX36BCASE-NA

7. 0-6
NOTE:
This manual contains information necessary for the
maintenance and repair of hydraulic excavators. It is
categorized into seven chapters: Specification, Mainte-
nance, System, Disassembly, Troubleshooting, Engine
and Installation Procedures for Optional Attachment.
• The Chapter "Specification" describes the specifi-
cations for the entire machine and replacement and
repairing of attachments.
• The Chapter "Maintenance" contains material for
service and adjustment of the entire machine.
• The Chapter "System" describes the operating sys-
tem, including the hydraulic system, electric sys-
tem, components, etc.
• The Chapter "Disassembly" describes the removal
and installation of assemblies mounted on the up-
per structure and undercarriage, and the assem-
bling and disassembling of the associated hydraulic
equipment.
• The Chapter "Troubleshooting" describes how to
find the faults in equipment.
• The Chapter "Engine" contains the complete "Main-
tenance Manual" provided by the engine supplier.
• The Chapter "Installation Procedures for Optional
Attachment" describes the supplements added on
request as required.
This Manual may be revised due to the improvement of
products, modification of specifications, etc. There may
be cases where the system on the actual machine may
differ with the manual - this may be due to variation of
specifications by countries. Contact your local distribu-
tor if you need clarification.
When ordering replacement or service parts, refer to
the most recent Parts Catalog for the machine to get
the correct replacement/service part number.

8. 1. OUTLINE
1-1
1
Book Code No. S5PA0105E01
1. OUTLINE
TABLE OF CONTENTS
1.1 GENERAL PRECAUTIONS FOR REPAIRS ........................................................1-3
1.1.1 PREPARATION BEFORE DISASSEMBLING ..............................................1-3
1.1.2 SAFETY IN DISASSEMBLING AND ASSEMBLING ...................................1-3
1.1.3 DISASSEMBLING AND ASSEMBLING HYDRAULIC EQUIPMENT ..........1-4
1.1.4 ELECTRICAL EQUIPMENT ........................................................................1-6
1.1.5 HYDRAULIC PARTS ....................................................................................1-7
1.1.6 WELDING REPAIR ......................................................................................1-7
1.1.7 ENVIRONMENTAL MEASURES .................................................................1-7
1.2 INTERNATIONAL UNIT CONVERSION SYSTEM (Based on MARKS' STANDARD
HANDBOOK FOR MECHANICAL ENGINEERS) ................................................1-8

9. 1. OUTLINE
1-2
Issue Date of Issue Applicable Machines Remarks
First Edition June, 2009 E10SR : PA03-05001~
S5PA0105E01
(NHK-EUR)
↑ ↑ E10SR : PA03-05001~
↑
(NHK-AUS)
↑ ↑ SK10SR-2 : PA03-05001~
↑
(AUS)
↑ July, 2009 SK10SR-2 : PA03-05001~
↑
(KOR)
↑ December, 2009 E18SR : PU09-08001~
↑
(NHK-EUR)
↑ ↑ SK17SR-3K : PU09-08001~
↑
(KOR)
↑ January, 2010 SK17SR-3 : PU09-08001~
↑
(Oceania)
↑ ↑
SK30SR-5 : PW14-45964~
SK35SR-5 : PX15-20658~
↑
(KCM North America)
↑ ↑ CX17B : PU09-08001~
↑
(CASE AUS)
↑ ↑ E18SR : PU09-08001~
↑
(NH AUS)
↑ ↑
CX31B : PW14-45964~
CX36B : PX15-20658~
↑
(CASE-NA)
↑ ↑
E30B : PW14-45964~
E35B : PX15-20658~
↑
(NH-NA)
↑ ↑ SK17SR-3 : PU09-08001~
↑
(NA)
↑ ↑ SK50SR-5 : PJ06-08890~
↑
(NA)
↑ February, 2010
SK30SR-5 : PW14-45001~
SK35SR-5 : PX15-20001~
↑
(KCM S.E.ASIA&OCE)
↑ ↑
CX31B : PW14-45001~
CX36B : PX15-20001~
↑
(CASE-AUS)
↑ ↑ CX50B : PJ06-08890~
↑
(CASE-NA)
↑ ↑ E50B : PJ06-08890~
↑
(NH-NA)
↑ ↑
E30B : PW14-45001~
E35B : PX15-20001~
↑
(NH-AUS)
↑ ↑ SK27SR-5 : PV13-33292~
↑
(NA)
↑ March, 2010
SK30SR-5 : PW14-46519~
SK35SR-5 : PX15-21105~
↑
(KCM North America)
↑ ↑
CX31B : PW14-46519~
CX36B : PX15-21105~
↑
(CASE-NA)

10. 1. OUTLINE
1-3
1
1.1 GENERAL PRECAUTIONS FOR REPAIRS
1.1.1 PREPARATION BEFORE DISASSEMBLING
(1) Understanding operating procedure
Read OPERATOR'S MANUAL carefully to understand the operating procedure.
(2) Cleaning machines
Remove soil, mud, and dust from the machine before bringng it into the service shop to prevent loss of work
efficiency, damage of parts, and difficulty in rust prevention and dust protection while reassembling.
(3) Inspecting machines
Identify the parts to be disassembled before starting work. Determine the disassembling procedure, considering the
workshop situations etc., and order necessary parts in advance.
(4) Recording
Record the following items for communication and prevention of recurring malfunction.
1. Inspection date and place.
2. Model name, applicable machine number, and hour meter read.
3. Trouble condition, place and cause.
4. Visible oil leakage, water leakage and damage.
5. Clogging of filters, oil level, oil quality, oil contamination and loosening of connections.
6. Result of consideration if any problem exists based on the operation rate per month calculated from hour meter
indication after the last inspection date.
(5) Arrangement and cleaning in service shop
1. Tools required for repair work.
2. Prepare space to place the disassembled parts.
3. Prepare oil containers for draining oil etc.
1.1.2 SAFETY IN DISASSEMBLING AND ASSEMBLING
(1) Wear appropriate clothes with long sleeves, safety shoes, safety helmet and protective glasses.
(2) Suspend warning tag "DO NOT OPERATE" from the doorknob or the operating lever, and have a preliminary
meeting before starting work.
(3) Stop the engine before starting inspection and maintenance to prevent the operator being caught in machine.
(4) Identify the location of a first-aid kit and a fire extinguisher, and also where to make contact in a state of
emergency.
(5) Choose a hard, level and safe place, and place the attachment on the ground securely.
(6) Use a lifter such as a crane to remove heavy parts (20 kg [45 lbs] or more) from the machine.
(7) Use proper tools, and replace or repair defective tools.
(8) Support the machine and attachment with supports or blocks if the work is performed in the lifted condition.
Read Operator's Manual
before disassembling
WARNING

11. 1. OUTLINE
1-4
1.1.3 DISASSEMBLING AND ASSEMBLING HYDRAULIC EQUIPMENT
(1) Removing hydraulic equipment
1. Before disconnecting pipes, release the hydraulic pressure of the system, or open the return side cover and
take out the filter.
2. Carefully drain oil of the removed pipes into a containers without spilling on the floor.
3. Apply plugs or caps on the pipe ends to avoid oil spillage and dust intrusion.
4. Clean off the external surface of the equipment before disassembling, and drain hydraulic and gear oil before
placing it on the workbench.
(2) Disassembling hydraulic equipment
1. Do not disassemble, reassemble or modify the hydraulic equipment without the permission of the manufacturer,
who is not responsible for the performance and function of the product after modification.
2. When disassembling and reassembling for unavoidable reason, refer the work to qualified personnel who have
the specific knowledge or completed the parts service training.
3. Provide matching marks to facilitate reassembling work.
4. Before starting the work, read the manual of disassembling procedure, if it is provided, and decide whether the
work can be performed by yourself.
5. Use the special jig and tools without fail if they are specified.
6. If it is hard to remove a part according to the procedure, do not try it by force but investigate the cause.
7. Place the removed parts in order and attach tags to facilitate the reassembling.
8. Note the location and quantity of parts commonly applied to multiple locations.
(3) Inspecting parts
1. Ensure that the disassembled parts are free from seizure, interference and uneven contact.
2. Measure and record wear condition of parts and clearance.
3. If the problem is found in a part, repair or replace it with a new one.
(4) Reassembling hydraulic equipment
1. Turn ON the ventilation fan or open windows to maintain good ventilation prior to starting the cleaning of parts.
2. Perform rough and finish cleaning before assembling.
3. Remove washing oil by air and apply clean hydraulic or gear oil for assembling.
4. Always replace the removed O-rings, backup rings and oil seals with new ones by applying grease in advance.
5. Remove dirt and moisture from and perform degreasing on the surface where liquid gasket to be applied.
6. Remove rust preventive agent from the new parts before use.
7. Fit bearings, bushings and oil seals using special jigs.
8. Assemble the parts utilizing matching marks.
9. Ensure all the parts are completely assembled after the work.

12. 1. OUTLINE
1-5
1
(5) Installing hydraulic equipment
1. Ensure hydraulic oil and lubricant are properly supplied.
2. Perform air bleeding when :
a. Hydraulic oil changed
b. Parts of suction side piping replaced
c. Hydraulic pump installed
d. Slewing motor installed
e. Travel motor installed
f. Hydraulic cylinder installed
3. Perform air bleeding of the hydraulic pump and slewing motor after loosening the upper drain plug, starting the
engine and keep it in low idle condition.
Complete the air bleeding when seeping of hydraulic oil is recognized, and tightly plug.
4. Perform air bleeding of the travel motor and the hydraulic cylinders by running the engine for more than 5
minutes at low speed without load.
5. Perform air bleeding of pilot line by performing a series of digging, slewing and travel.
6. Check hydraulic oil level after placing the attachment to the oil check position, and replenish oil if necessary.
Operation of the hydraulic equipment without filling hydraulic oil or lubricant or without performing air bleeding will
result in damage to the equipment.
Do not allow the hydraulic cylinder to bottom on the stroke end just after the maintenance.
Level gauge
Oil level lines (Level
located between the
two lines shows
appropriate amount
of oil)

13. 1. OUTLINE
1-6
1.1.4 ELECTRICAL EQUIPMENT
(1) Do not disassemble electrical equipment.
(2) Handle electrical equipment carefully - be careful not to drop. Exposure to electrical current can cause electrical
shock.
(3) Turn the key OFF prior to connecting and disconnecting work.
(4) Disconnect the connector by holding it and pressing the lock. Do not pull the wire to apply force to the caulking
portion.
(5) Connect the connector and ensure it is completely locked.
(6) Turn the key OFF prior to touching the terminal of starter or generator.
(7) Remove the ground (earth) terminal of battery when handling tools around the battery or its relay.
(8) Do not splash water on the electrical equipment and connectors during machine washing.
(9) Check for moisture adhesion inside the waterproof connector after pulling it out, since it is hard to remove
moisture from the connector.
If moisture adhesion is found, dry it completely before the connection.
Battery electrolyte is hazardous.
Battery electrolyte is dilute sulfuric acid. Exposure of skin or eyes to this liquid will cause burning or loss of
eyesight.
If the exposure occurs, take the following emergency measures and seek the advice of a medical specialist.
-When skin exposed :
Wash with water and soap sufficiently.
-When eyes exposed :
Immediately wash away with city water continuously for more than 10 minutes.
-When a large amount of the liquid flows out :
Neutralize with sodium bicarbonate or wash away with city water.
-When swallowed :
Drink a large amount of milk or water.
-When clothes exposed:
Immediately undress and wash.

14. 1. OUTLINE
1-7
1
1.1.5 HYDRAULIC PARTS
(1) O-ring
• Ensure O-rings have elasticity and are not damaged before use.
• Use the appropriate O-rings. O-rings are made of various kinds of materials having different hardness to apply
to a variety of parts, such as the part for moving or fixed portion, subjected to high pressure, and exposed to
corrosive fluid, even if the size is same.
• Fit the O-rings without distortion and bend.
• Always handle floating seals as a pair.
(2) Flexible hose (F hose)
• Use the appropriate parts. Different parts are used depending on the working pressure even the size of fitting
and the total length of the hose is same.
• Tighten the fitting at the specified torque.
Ensure no kink, tension, interference nor oil leakage is recognized.
1.1.6 WELDING REPAIR
(1) Refer repair welding to qualified personnel according to the appropriate procedure.
(2) Disconnect the ground (earth) cable of the battery before starting the repair.
Failure to do so will cause damage to the electrical equipment.
(3) Move away the articles in advance that may cause fire if exposed to sparks.
(4) Before starting the repair of the attachment, do not fail to cover the plated surface of the piston rod with
flameproof sheet to prevent it from being exposed to sparks.
1.1.7 ENVIRONMENTAL MEASURES
(1) Run the engine at the place that is sufficiently ventilated.
(2) Industrial waste disposal
Dispose of the following parts according to the relevant regulations :
Waste oil and waste container
Battery
(3) Precautions for handling hydraulic oil
Exposure of eyes to hydraulic oil will cause inflammation. Wear protective glasses before handling to avoid an
accident. If an eye is exposed to the oil, take the following emergency measures :
-When an eye exposed :
Immediately wash away with city water sufficiently till stimulative feeling vanishes.
-When swallowed :
Do not let vomit, and receive medical treatment immediately.
-When skin exposed:
Wash with water and soap sufficiently.
(4) Others
Use replacement parts and lubricants authorized as the manufacturer's genuine parts.

15. 1. OUTLINE
1-8
1.2 INTERNATIONAL UNIT CONVERSION SYSTEM (Based on MARKS'
STANDARD HANDBOOK FOR MECHANICAL ENGINEERS)
Introduction
Although this manual includes International System of Unit
and Foot-Pound System of Units, if you need SI unit, refer
to the following international system of units.
Given hereinafter is an excerpt of the units that are related
to this manual.
1. Etymology of SI Unites
French: Le Systeme International d' Unites
English: International System of Units
2. Construction of SI Unit System
SI unit
system
Prefixes of SI
(n-th power of 10, where n is an integer)
Table 1- 5
SI units
Base units
Table 1-1
Supplemen
tary units
Table 1-2
Derived units
of base units
Table 1-3
Derived units
bearing peculiar
designations
Table 1-4
Derived
units
(1) Base units
(2) Supplementary units
(3) Derived Units
(4) Derived Units bearing Peculiar Designations
Table 1-1
QUANTITY UNIT SYMBOL
Length meter m
Mass kilogram kg
Time second s
Electric current ampere A
Thermodynamic
temperature
kelvin K
Amount of
substance
mol mol
Luminous
intensity
candela cd
Table 1-2
QUANTITY UNIT SYMBOL
Plane angle radian rad
Solid angle steradian sr
Table 1-3
QUANTITY UNIT SYMBOL
Area square meter m2
Volume cubic meter m3
Velocity meter per second m/s
Acceleration meter per second squared m/s2
Density kilogram per cubic meter kg/m3
Table 1-4
QUANTITY UNIT SYMBOL FORMULA
Frequency hertz Hz 1/s
Force newton N kg • m/s 2
Pressure and
Stress
pascal Pa N/m2
Energy, Work
and Quantity of
heat
joule J N•m
Power watt W J/s
Quantity of
electricity
coulomb C A•s
Electric
potential
difference,
Voltage, and
Electromotive
force
volt V W/A
Quantity of
static electricity
and Electric
capacitance
farad F C/V
Electric
resistance
ohm V/A
Celcius
temperature
celcius
degree or
degree
C (t+273.15)K
Illuminance lux lx l m/m2

16. 1. OUTLINE
1-9
1
(5) Prefixes of SI (6) Unit Conversion
*1 Units that are allowed to use.
Table 1-5
PREFIX SYMBOL MULTIPLICATION FACTORS
giga G 109
mega M 106
kilo k 103
hecto h 102
deca da 10
deci d 10–1
centi c 10–2
milli m 10–3
micro μ 10–6
nano n 10–9
pico p 10–12
Table 1-6
QUANTITY Gravitational SI CONVERSION FACTOR
Mass kg kg
Force kgf N 1 kgf=9.807 N
Torque kgf•m N•m kgf•m=9.807 N•m
Pressure kgf/cm2
MPa 1 kgf/cm2
=0.09807 MPa
Motive
Power
PS kW 1 PS=0.7355 kW
Revolution rpm min–1
r/min *1

17. 1. OUTLINE
1-10

18. 2. SPECIFICATIONS
2-1
2
Book Code No. S5PW0232E02
2. SPECIFICATIONS
TABLE OF CONTENTS
2.1 COMPONENTS NAME ........................................................................................2-3
2.2 MACHINE DIMENSIONS .....................................................................................2-4
2.3 SPECIFICATIONS AND PERFORMANCE ..........................................................2-6
2.4 MACHINE & COMPONENTS WEIGHT (DRY) ....................................................2-8
2.5 TRANSPORTATION .............................................................................................2-10
2.6 TYPE OF CRAWLER SHOES .............................................................................2-13
2.7 TYPE OF BUCKET ..............................................................................................2-14
2.8 ENGINE SPECIFICATIONS .................................................................................2-15
2.8.1 SPECIFICATIONS .......................................................................................2-15
2.8.2 ENGINE PERFORMANCE CURVE .............................................................2-16

19. 2. SPECIFICATIONS
2-2
Issue Date of Issue Applicable Machines Remarks
First Edition March, 2010
CX31B : PW14-
CX36B : PX15-
S5PW0232E01
(CASE-NA)
Revision June, 2010
CX31B : PW14-46519~
CX36B : PX15-21105~
S5PW0232E02
(CASE-NA)

20. 2. SPECIFICATIONS
2-3
2
2.1 COMPONENTS NAME
SWING CYLINDER
DOZER CYLINDER
DOZER
RUBBER CRAWLER SHOE
IDLER ASSY
LOWER ROLLER
UPPER ROLLER
TRAVEL MOTOR
SLEWING BEARING
ARM CYLINDER
LIGHT
BOOM
BOOM CYLINDER
CONTROL VALVE
BUCKET
CYLINDER
ARM
LINK
BUCKET
ENGINE
OIL FILTER
HYDRAULIC TANK
OPERATING LEVER
DOZER OPERATING LEVER
MONITOR PANEL
(GAUGE CLUSTER)
RADIATOR
RESERVOIR TANK
AIR CLEANER
MUFFLER
CANOPY
FUEL TANK
BATTERY
SWIVEL JOINT
HYDRAULIC PUMP
SLEWING MOTOR
TRAVEL LEVER

21. 2. SPECIFICATIONS
2-4
2.2 MACHINE DIMENSIONS
(1) CX31B (CANOPY) Unit: mm (ft-in)
(2) CX31B (CAB)
345{13.6"}
2630 {8'7.5"}
2150 {7'0.6"}
1700 {5'6.9"}
570
{1'10.4"}2570{8'5.2"}
1550 {5'1.0"}
775 {2'6.5"}
1380 {4'6.3"}
1840 {6'0.44"}
4470 {14'8.0"}
R775
{2'6.5"}
85
{3.3"}
50
{2.0"}
660{2'2.0"}
1550{5'1.0"}
660{2'2.0"}
185
{7.28"}
1550 {5'1.0"}
300
{11.8"} 1250 {4'1.2"}
1550 {5'1.0"}
2630 {8'7.5"}
2150 {7'0.6"}
1700 {5'6.9"}
570
{1'10.4"}2570{8'5.2"}
775 {2'6.5"}
1380 {4'6.3"}
1840 {6'0.44"}
4470 {14'8.0"}
1550 {5'1.0"}
300
{11.8"} 1250 {4'1.2"}
1550 {5'1.0"}
R775
{2'6.5"}
85
{3.3"}
50
{2.0"}
660{2'2.0"}660{2'2.0"}
1550{5'1.0"}
345{13.6"}
185
{7.28"}
1550 {5'1.0"}

22. 2. SPECIFICATIONS
2-5
2
(3) CX36B (CANOPY) Unit:mm(ft-in)
(4) CX36B (CAB)
2680 {8'9.5"}
2150 {7'0.6"}
1700 {5'6.9"}
570
{1'10.4"}2570{8'5.2"}
850 {2'9.5"}
1460 {4'9.5"}
1910 {6'3.2"}
4710 {15'5.4"}
1550 {5'1.0"}
300
{11.8"} 1400 {4'7.1"}
1700 {5'6.9"}
330{13.0"}
R850
{2'9.5"}
60
{2.4"}
50
{2.0"}
1700{5'6.9"}
660{2'2.0"}660{2'2.0"}
345
{13.6"}
345
{13.6"}
160{6.3"}
1600 {5'3.0"}
2680 {8'9.5"}
2150 {7'0.6"}
1700 {5'6.9"}
570
{1'10.4"}2610{8'6.8"}
850 {2'9.5"}
1460 {4'9.5"}
1910 {6'3.2"}
4710 {15'5.4"}
1550 {5'1.0"}
300
{11.8"} 1400 {4'7.1"}
1700 {5'6.9"}
330{13.0"}
R850
{2'9.5"}
60
{2.4"}
50
{2.0"}
660{2'2.0"}660{2'2.0"}
1700{5'6.9"}
345
{13.6"}
345
{13.6"}
160{6.3"}
1600 {5'3.0"}

23. 2. SPECIFICATIONS
2-6
2.3 SPECIFICATIONS AND PERFORMANCE
SPEED AND GRADEABILITY
ENGINE
HYDRAULIC COMPONENTS
SIDE DIGGING & DOZER
Model CX31B CX36B
Applicable Machines PW14-46519~ PX15-21105~
Shoe Type Rubber shoe
Iron shoe
(OPT)
Rubber shoe
Iron shoe
(OPT)
Slewing Speed min-1 {rpm} 8.9 (8.9) 8.9 (8.9)
Travel Speed km/h (mph)
Low
(1st)
High
(2nd)
Low
(1st)
High
(2nd)
Low
(1st)
High
(2nd)
Low
(1st)
High
(2nd)
2.5 4.5 2.5 4.5 2.5 4.5 2.5 4.5
Gradeability % (degree) 58(30)
Model (YANMAR) 3TNV88-BPYB
Type Water-cooled, 4-cycle type Swirl chamber type diesel engine
Number of cylinders-Bore X Stroke 3 - 88 dia. mm X 90 mm (3.46 in X 3.54 in)
Total Displacement L 1.642 (100.2 cu-in)
Output Rating kW/min-1
{PS/rpm} 21.2/2,400 (29/2,400)
Maximum Torque N-m/min-1
(lbf-ft/rpm) 98.0/1,440 (72.3/1,440)
Starting Motor V X kW 12 X 1.7
Generator V X A 12 X 55
Hydraulic Pump Variable displacement axial piston + gear pump
Hydraulic Motor Axial piston
Hydraulic Motor w/Reducer (Travel) 2-Axial piston, 2-Speed motor
Control Valve 10-spool multiple control valve
Cylinder (Boom, Arm, Swing, Bucket, Dozer) Double action cylinder
Return Filter Safety valve containing/Filter Type (30μ)
Type Boom swing by hydraulic cylinder
Boom Swing Angle Right 60 degrees
Left 70 degrees
Stroke of Dozer (above/below) mm (in) 560 / 410 (22.0/16.1) 540 / 440 (21.3/17.3)

24. 2. SPECIFICATIONS
2-7
2
WEIGHT
This figure is calculated with Japanese standard bucket.
Machine Weight kg (lb)
Rubber shoe Iron shoe Rubber shoe Iron shoe
3,200 (7050) 3,340 (7360) 3,580 (7900) 3,700 (8160)
Upper slewing body kg (lb) 1,600 (3530) <-- 1,900 (4190) <--
Travel system kg (lb) 1,120 (2470) 1,230 (2710)
1,140 (2520)
1,260 (2780)
Attachment
(Boom+STD Arm+STD Bucket)
kg (lb) 400 (880) 460 (1020)
Oil & Water kg (lb) 80 (175) <--

25. 2. SPECIFICATIONS
2-8
2.4 MACHINE & COMPONENTS WEIGHT (DRY)
Unit ; kg (lb)
Bucket weight is shown with Japanese standard bucket weight.
MODEL
CX31B
RUBBER SHOE IRON SHOE
CANOPY CAB CANOPY CAB
COMPLETE MACHINE 3,200 (7050) 3,340 (7360) 3,310 (7300) 3,450 (7600)
UPPER FRAME ASSEMBLY
(ASSY OF FOLLOWINGS)
UPPER FRAME
CANOPY / CAB
ENGINE
HYDRAULIC PUMP
RADIATOR
HYDRAULIC TANK
FUEL TANK
SWING BRACKET
SWING CYLINDER
SLEWING MOTOR
CONTROL VALVE
COUNTERWEIGHT
GUARD - BONNET
BOOM CYLINDER
1,600 (3530)
348 (767)
85 (187)
155 (340)
28 (60)
3 (7)
42 (93)
4 (9)
82 (181)
37 (82)
38 (84)
25 (55)
370 (815)
92 (203)
35 (77)
1,740 (3840)
<--
220 (485)
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
1,600 (3530)
<--
85 (187)
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
1,740 (3840)
<--
220 (485)
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
LOWER FRAME ASSEMBLY
(ASSY OF FOLLOWINGS)
LOWER FRAME
SLEWING BEARING
TRAVEL MOTOR
LOWER ROLLER
FRONT IDLER
IDLER ADJUSTER
SPROCKET
RUBBER CRAWLER SHOE
300mm (11.8") IRON SHOE
SWIVEL JOINT
DOZER
DOZER CYLINDER
1,120 (2470)
350 (771)
42 (93)
42X2 (93X2)
6X 8 (13X 8)
22X2 (49X2)
16X2 (35X2)
9X2 (20X2)
141X2 (311X2)
-
22 (49)
140 (310)
27 (60)
<--
<--
<--
<--
<--
<--
<--
<--
<--
-
<--
<--
<--
1,230 (2710)
<--
<--
<--
<--
<--
<--
<--
-
190X2 (420X2)
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
-
<--
<--
<--
<--
ATTACHMENT ASSEMBLY
(ASSY OF FOLLOWINGS)
BOOM ASSEMBLY
BOOM
ARM CYLINDER
ARM ASSEMBLY
ARM
BUCKET CYLINDER
BUCKET LINK
IDLER LINK
BUCKET ASSEMBLY (STD)
400 (880)
220 (485)
130 (286)
30 (66)
120 (265)
70 (155)
20 (44)
10 (22)
4X2 (9X2)
81 (180)
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
FLUIDS
HYDRAULIC OIL
FUEL
COOLANT
80 (176)
42 (93)
32 (70)
4 (9)
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--

26. 2. SPECIFICATIONS
2-9
2
Unit ; kg (lb)
Bucket weight is shown with Japanese standard bucket weight.
MODEL
CX36B
RUBBER SHOE IRON SHOE
CANOPY CAB CANOPY CAB
COMPLETE MACHINE 3,580 (7890) 3,720 (8200) 3,700 (8160) 3,840 (8470)
UPPER FRAME ASSEMBLY
(ASSY OF FOLLOWINGS)
UPPER FRAME
CANOPY / CAB
ENGINE
HYDRAULIC PUMP
RADIATOR
HYDRAULIC TANK
FUEL TANK
SWING BRACKET
SWING CYLINDER
SLEWING MOTOR
CONTROL VALVE
COUNTERWEIGHT
GUARD - BONNET
BOOM CYLINDER
1,900 (4190)
348 (767)
85 (187)
155 (340)
28 (60)
3 (7)
42 (93)
4 (9)
82 (181)
37 (82)
38 (84)
25 (55)
665 (1470)
92 (203)
35 (77)
2,040 (4500)
<--
220 (485)
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
1,900 (4190)
<--
85 (187)
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
2,040 (4500)
<--
220 (485)
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
LOWER FRAME ASSEMBLY
(ASSY OF FOLLOWINGS)
LOWER FRAME
SLEWING BEARING
TRAVEL MOTOR
LOWER ROLLER
FRONT IDLER
IDLER ADJUSTER
SPROCKET
RUBBER CRAWLER SHOE
300mm (11.8") IRON SHOE
SWIVEL JOINT
DOZER
DOZER CYLINDER
1,140 (2520)
370 (815)
42 (93)
42X2 (93X2)
6X8 (13X8)
22X2 (49X2)
16X2 (35X2)
9X2 (20X2)
141X2 (311X2)
-
22 (49)
150 (330)
27 (60)
<--
<--
<--
<--
<--
<--
<--
<--
<--
-
<--
<--
<--
1,260 (2780)
<--
<--
<--
<--
<--
<--
<--
-
190X2 (420X2)
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
-
<--
<--
<--
<--
ATTACHMENT ASSEMBLY
(ASSY OF FOLLOWINGS)
BOOM ASSEMBLY
BOOM
ARM CYLINDER
ARM ASSEMBLY
ARM
BUCKET CYLINDER
BUCKET LINK
IDLER LINK
BUCKET ASSEMBLY (STD)
460 (1020)
190 (420)
140 (310)
34 (75)
140 (310)
80 (175)
20 (44)
10 (22)
4X2 (9X2)
89 (196)
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
FLUIDS
HYDRAULIC OIL
FUEL
COOLANT
80 (176)
42 (93)
32 (70)
4 (9)
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--
<--

27. 2. SPECIFICATIONS
2-10
2.5 TRANSPORTATION
(1) LOADING MACHINE ON A TRAILER
1. Keep trailer bed clean. Put chocks against truck wheels.
2. Use a ramp or loading deck. Ramps must be strong enough, have a low angle, and correct height. Load and
unload machine on a level surface.
3. Travel machine onto ramps slowly. Center the machine over the trailer.
4. Lower all attachment.
5. Stop engine. Remove key from switch.
Do not put chains over or against hydraulic lines or hoses.
6. Fasten machine to trailer with chains or cables.
During transportation, the bucket or attachments may hit the canopy or the cab. Therefore, set the machine in
the transporting position by observing following points:
a. Extend the bucket cylinder fully.
b. Extend the arm cylinder fully.
c. Lower the boom.
d. If machine cannot be transported with arm cylinder fully extended, remove bucket or attachment and extend
arm cylinder.
(2) TRANSPORTATION DIMENSION AND WEIGHT OF ATTACHMENT
1. BOOM WITH ARM CYLINDER
Model CX31B CX36B
L X H X W
mm(ft-in)
2,390 X 870 X 320
(7'10.1") (2'10.2") (12.6")
2,590 X 810 X 320
(8'6.0") (2'7.9") (12.6")
Weight w/Arm cyl. kg (lb) 163 (360) 184 (405)
L
H

28. 2. SPECIFICATIONS
2-11
2
2. ARM & BUCKET (Japanese standard bucket)
3. ARM
4. BUCKET (Japanese standard bucket)
Model CX31B CX36B
L X H X W
mm (ft-in)
2,190 X 450 X 500
(7'2.2") (17.7") (19.7")
2,360 X 450 X 600
(7'8.9") (17.7") (1'11.6")
Weight kg (lb) 198 (435) 219 (485)
Model CX31B CX36B
L X H X W
mm (ft-in)
1,520 X 430 X 280
(4'11.8") (16.9") (11.0")
1,690 X 430 X 280
(5'6.5") (16.9") (11.0")
Weight kg (lb) 112 (245) 123 (270)
Model CX31B CX36B
Heaped capacity
m3
(cu-yd)
0.09 (0.118) 0.11 (0.144)
L X H X W
mm (ft-in)
670 X 620 X 500
(2'2.4") (2'0.4") (19.7")
670 X 620 X 600
(2'2.4") (2'0.4") (1'11.6")
Weight kg (lb) 81 (180) 89 (196)
L
H
L
H
L
H

29. 2. SPECIFICATIONS
2-12
5. DOZER w/o cylinder weight
Model CX31B CX36B
L X H X W
mm (ft-in)
1,230 X 330 X 1,550
(4'0.4") (13.0") (5'1.0")
1,280 X 330 X 1,700
(4'2.4") (13.0") (5'6.9")
Weight kg (lb) 142 (315) 150 (330)
L
H

30. 2. SPECIFICATIONS
2-13
2
2.6 TYPE OF CRAWLER SHOES
Type Model
Shoe width
mm (in)
Total Crawler
width
mm (ft•in)
Number of
Link
Ground pressure
kPa (psi)
CANOPY CAB
Rubber shoe
CX31B 300 (11.8") 1,550 (5’1.0") 88 27 (3.9) 28 (4.1)
CX36B 300 (11.8") 1,700 (5’6.9") 88 31 (4.5) 32 (4.6)
Iron shoe (option)
CX31B 300 (11.8") 1,550 (5’1.0") 45 28 (4.1) 29 (4.2)
CX36B 300 (11.8") 1,700 (5’6.9") 45 32 (4.6) 33 (4.8)

31. 2. SPECIFICATIONS
2-14
2.7 TYPE OF BUCKET
This table shows Japanese standard bucket.
Type Model
Heaped
capacity
m3 (cu.yd)
Outer width mm (in)
Number of
tooth
Weight
kg (lb)
Remarkswith side
cutter
without
side cutter
Back hoe bucket
CX31B 0.09 (0.118)
500
(1’7.7")
430
(1’4.9")
4 81 (179)
Standard
size
CX36B 0.11 (0.144)
600
(1’11.6")
530
(1’8.9")
4 89 (196)

32. 2. SPECIFICATIONS
2-15
2
2.8 ENGINE SPECIFICATIONS
2.8.1 SPECIFICATIONS
Model CX31B, CX36B
Engine Model 3TNV88-BPYB
Type Vertical, 4-cycle water-cooled diesel engine
No. of cylinders - Bore × Stroke 3 - 88 mm (3.46 in) × 90 mm (3.54 in)
Total displacement 1.642 liter (100 cu•in)
Compression ratio 19.1
Rated output 21.2 kW (28.8 PS) at 2400 rpm
Maximum torque 98 ~ 106.8 N•m (72.3 ~ 78.8 lbf•ft) at 1440 rpm
Low idling 1250±25 rpm
High idling 2590±25 rpm
Fuel consumption rate
Allowable tilting angles Continuous ; 30° for all direction
Rotating direction Counterclockwise as seen from flywheel side
Firing order 1-3-2-1
Fuel injection timing (b.T.D.C.) (FIT) 15.0±1 / (FIR) 5.0±1
Fuel injection pressure 200 kg / cm2
(2840 psi)
Valve action
Open Close
Intake valve b.T.D.C. 15±5 a.B.D.C. 45±5
Exhaust valve b.B.D.C. 56±5 a.T.D.C. 18±5
Valve clearance
Intake valve 0.2 mm (0.008 in) in cold condition
Exhaust valve 0.2 mm (0.008 in) in cold condition
Thermostat action Start 71 ± 1.5 C (160 ± 3 F) / Full open 85 C (185 F)
Compression pressure 3.43 ± 0.1 MPa (500 ± 14 psi) at 250 rpm
Lubrication oil pressure 0.392 MPa (57 psi) at 2400 rpm
Dimensions L × W × H 585 × 539 × 648 mm (23.0 × 21.2 × 25.5 in)
Dry weight 155 kg (342 lb)
Governor Mechanical centrifugal governor (All speed type)
Fuel filtration cartridge type paper filter
Lubrication system Forced lubrication with trochoid pump
Cooling system Liquid cooling / Radiator
Starter capacity 12 V × 1.7 kW
Generator capacity 12 V × 55 A
Starting aid Glow plug (12 V - 300 W)
Cooling water capacity : Max / Engine 4.0 / 2.0 liter (1.06 / 0.53 gal)
Engine oil volume : High / Low 6.7 / 3.9 liter (1.77 / 1.03 gal)
+10
0
+140
0
245 g / kW•h (180 g / PS•h) LESS THAN

33. 2. SPECIFICATIONS
2-16
2.8.2 ENGINE PERFORMANCE CURVE
CX31B, CX36B
Model : 3TNV88-BPYB
Rated Output : 21.2 kW / 2400 min-1
(28.8 PS / 2,400 rpm)
Fuel consumption volume = X P X
= X 21.2 X
= 6.22
F
X 1000
245
0.835 X 1000
kW
kWh
3.73 ~ 4.35 L / h (load factor : (0.60 ~ 0.70))
1000
120
N.m
kW
g/kWh (g/psh)
100
80
60
40
280
260
240
220
5
10
15
20
25
200
1500 2000 2500
kW
T
F
SHAFTTORQUE
[ T ]
POWEROUTPUT
FUELCONSUMPTIONRATE
[ F ]
Engine speed min 1
{rpm}
(34)
(27)
(20)
(14)
(7)
(PS)
(lbf.ft)
(89)
(74)
(59)
(44)
(30)
(206)
(191)
(176)
(162)
(147)

34. 3. ATTACHMENT DIMENSIONS
3-1
3
Book Code No. S5PW0332E02
3. ATTACHMENT DIMENSIONS
TABLE OF CONTENTS
3.1 BOOM ..................................................................................................................3-3
3.1.1 BOOM DIMENSIONAL DRAWINGS ...........................................................3-3
3.1.2 BOOM MAINTENANCE STANDARDS ........................................................3-4
3.2 ARM ..................................................................................................................... 3-8
3.2.1 ARM DIMENSIONAL DRAWINGS .............................................................. 3-8
3.2.2 ARM MAINTENANCE STANDARDS ...........................................................3-10
3.3 BUCKET ..............................................................................................................3-15
3.3.1 BUCKET DIMENSIONAL DRAWINGS ........................................................3-15
3.3.2 DETAIL DIMENSIONAL DRAWINGS OF LUG SECTION ..........................3-16
3.3.3 DETAIL DIMENSIONAL DRAWINGS OF BOSS SECTION ........................3-16
3.4 DOZER ................................................................................................................ 3-17
3.4.1 DOZER DIMENSIONAL DRAWINGS .......................................................... 3-17
3.4.2 DOZER MAINTENANCE STANDARDS ...................................................... 3-18
3.5 SWING ................................................................................................................. 3-20
3.5.1 SWING BRACKET DIMENSIONAL DRAWINGS ........................................ 3-20
3.5.2 SWING PORTION MAINTENANCE STANDARDS .....................................3-21

35. 3. ATTACHMENT DIMENSIONS
3-2
Issue Date of Issue Applicable Machines Remarks
First Edition March, 2010
CX31B : PW14-
CX36B : PX15-
S5PW0332E01
(CASE-NA)
Revision June, 2010
CX31B : PW14-46519~
CX36B : PX15-21105~
S5PW0332E02
(CASE-NA)

36. 3. ATTACHMENT DIMENSIONS
3-3
3
3.1 BOOM
3.1.1 BOOM DIMENSIONAL DRAWINGS
Boom Dimensional Drawings
No. NAME
DIMENSIONS [mm(ft-in)]
CX31B CX36B
A
B
C
D
E
Boom length
Distance between pins of boss
Distance between pins of bracket
Height of boom cylinder rod pin
Height of arm cylinder (head side) pin
2300 (7'6.55")
R1217.5 (3'11.93")
R1130.5 (3'8.51")
420.5 (1'4.56")
764 (2'6.08")
2500 (8'2.43")
R1210 (3'11.64")
R1157 (3'9.55")
385.5 (1'3.18")
708 (2'3.87")
F
G
H
J
K
Boom foot width
Inner width of bracket for boom cylinder (rod side) mounting
Boom end inner width
Boom end outer width
Inner width of bracket for arm cylinder (head side)
178 (7.01")
61 (2.40")
150 (5.91")
235 (9.25")
61 (2.40")
<--
<--
<--
<--
<--
d1
d2
d3
d4
Boom foot pin dia.
[Bushing outer dia.]
Boom cylinder (rod side) pin dia.
Pin dia. of arm end
Arm cylinder (head side) pin dia.
45 dia. (1.77")
[55 dia. (2.17")]
45 dia. (1.77")
45 dia. (1.77")
45 dia. (1.77")
<--
<--
<--
<--

37. 3. ATTACHMENT DIMENSIONS
3-4
3.1.2 BOOM MAINTENANCE STANDARDS
(1) Clearance of pin and bushing on boom section
Clearance of pin and bushing on boom section
-The tolerance for bushing inside diameter means the dimension after fitting of it into place.
-The part number for pins may be changed owing to improvement, use them only for reference.
Unit : mm (in)
Pos. Item Pin part No.
Standard dimensions Clearance
Remedy
Pin dia.
Tolerance
on pin dia.
Tolerance
on bushing
bore dia.
Standard
value
Standard
value for
repair
Serviceabi
lity limit
A Boom foot PX02B01299P1
(1.7717)
–0.02
–0.05
(-0.0008)
(-0.0020)
+0.10
+0.05
(+0.0039)
(+0.0020)
0.07-
0.15
(0.0028-
0.0059)
0.7
(0.028)
1.0
(0.039)
Replace
bushing
or pin
B
Boom
cylinder
(Head side)
PX02B01263P1
–0.02
–0.08
(-0.0008)
(-0.0031)
+0.12
+0.06
(+0.0047)
(+0.0024)
0.08-
0.20
(0.0031-
0.0079)
C
Boom
cylinder
(Rod side)
PW02B01306P1
–0.02
–0.05
(-0.0008)
(-0.0020)
+0.13
+0.07
(+0.0051)
(+0.0028)
0.09-
0.23
(0.0035-
0.0091)D
Arm
cylinder
(Head side)

38. 3. ATTACHMENT DIMENSIONS
3-5
3
This page is blank for editing convenience.

39. 3. ATTACHMENT DIMENSIONS
3-6
(2) Clearance in thrust direction on boom and cylinder installation section
Clearance in thrust direction on boom section
PL2
L2 X

40. 3. ATTACHMENT DIMENSIONS
3-7
3
Unit : mm (in)
Sec. Item
Standard
dimensions
Clearance X adjusted with shim
(total of both sides)
Remedy
Pin length
No. Dimensions
Standard
value
Standard
value for
repair
Serviceabili
ty limit
No. Dimensions
A-A Boom foot
Boom
L1
178
(7.008 )
0.2-0.6
(0.008-
0.024)
1.0
(0.039)
1.5
(0.059)
Adjusted
with
shim
PL1
297
(11.69)
Swing
bracket
178
(7.008 )
B-B
Boom cylinder
(Head side)
Boom
cylinder
L2
60
(2.362 )
0.1-0.5
(0.004-
0.020)
PL2
178
(7.01)
Swing
bracket
61
(2.402 )
C-C
Boom cylinder
(Rod side)
Boom
cylinder
L3
60
(2.362 )
0.5-0.9
(0.020-
0.035)
PL3
151
(5.94)
Boom
61
(2.402 )
D-D
Arm cylinder
(Head side)
Arm
cylinder
L4
60
(2.165 )
0.1-0.5
(0.004-
0.020)
PL4
151
(5.94)
Boom
61
(2.205 )

41. 3. ATTACHMENT DIMENSIONS
3-8
3.2 ARM
3.2.1 ARM DIMENSIONAL DRAWINGS
Arm dimensional drawings

42. 3. ATTACHMENT DIMENSIONS
3-9
3
No. Name
Dimensions [mm(ft-in)]
CX31B CX36B
A Arm length 1180(3'10.46") 1320(4'3.97")
B Distance between pins of boss and bracket R304.5(11.99") R314(1'0.36")
C Distance between pins of boss and bracket R1036(3'4.79") R1036(3'4.79")
D Distance between pins of boss and boss R190(7.48") R190(7.48")
E Height between pins of boss and bracket 332(1'1.07") 332(1'1.07")
F Height between pins of boss and bracket 180(7.09") 149.5(5.89")
G Height between pins of boss and center 8(0.31") 8(0.31")
H Boss width 140(5.51") 140(5.51")
J Boss width 150(5.91") 150(5.91")
K Bracket inner width 56(2.20") 56(2.20")
L Bracket inner width 61(2.40") 61(2.40")
M Idler link dimension 310(1'0.20") 310(1'0.20")
N Bucket link dimension 285(11.22") 285(11.22")
D1 I.D. of boss 50 dia.(1.97") 50 dia.(1.97")
D2 I.D. of boss 50 dia.(1.97") 50 dia.(1.97")
D3 I.D. of boss 55 dia.(2.17") 55 dia.(2.17")
d1 Pin dia. 40 dia.(1.57") 40 dia.(1.57")
d2 Pin dia. 40 dia.(1.57") 40 dia.(1.57")
d3 Pin dia. 45 dia.(1.77") 45 dia.(1.77")
d4 Pin dia. 40 dia.(1.57") 40 dia.(1.57")
d5 Pin dia. 45 dia.(1.77") 45 dia.(1.77")

43. 3. ATTACHMENT DIMENSIONS
3-10
3.2.2 ARM MAINTENANCE STANDARDS
(1) Clearance of pin and bushing
Clearance of pin and bushing on arm section
• CX31B Unit : mm (in)
Pos. Item Pin part No.
Standard dimensions Clearance
Remedy
Pin dia.
Tolerance
on pin dia.
Tolerance
on bushing
bore dia.
Standard
value
Standard
value for
repair
Serviceabili
ty limit
A
Arm point
(Connected
part of
bucket)
PW12B01351P1
ø40
(1.575)
–0.02
–0.05
(-0.0008)
(-0.0020)
+0.11
+0.06
(+0.0043)
(+0.0024)
0.08-
0.16
(0.0031-
0.0063)
0.7
(0.028)
1.0
(0.039)
Replace
bushing
or pin
B
Bucket link
(Bucket side)
+0.11
+0.05
(+0.0043)
(+0.0020)
0.07-
0.16
(0.0028-
0.0063)
C
Idler link
(Connected
part of arm)
PW12B01311P1
+0.08
+0.03
(+0.0031)
(+0.0012)
0.05-
0.13
(0.0020-
0.0051)
D
Bucket link
(Idler link
side)
PX12B01319P1
+0.09
+0.03
(+0.0035)
(+0.0012)
0.05-0.14
(0.0020-
0.0055)
D’
Bucket
cylinder
(Rod side)
+0.25
+0.05
(+0.0098)
(+0.0020)
0.07-
0.30
(0.0028-
0.0118)
E
Bucket
cylinder
(Head side)
PW12B01220P1
+0.13
+0.07
(+0.0051)
(+0.0028)
0.09-
0.18
(0.0035-
0.0071)
F
Arm foot
(Connected
part of boom)
PX12B01370P1
ø45
(1.772)
+0.10
+0.05
(+0.0039)
(+0.0020)
0.07-
0.15
(0.0028-
0.0059)
G
Arm cylinder
(Rod side)
PW02B01306P1
+0.13
+0.07
(+0.0051)
(+0.0028)
0.09-
0.18
(0.0035-
0.0071)

44. 3. ATTACHMENT DIMENSIONS
3-11
3
-The tolerance for bushing inside diameter means the dimension after fitting of it into place.
-The part number for pins may be changed owing to improvement, use them only for reference.
• CX36B Unit : mm (in)
Pos. Item Pin part No.
Standard dimensions Clearance
Remedy
Pin dia.
Tolerance
on pin dia.
Tolerance
on bushing
bore dia.
Standard
value
Standard
value for
repair
Serviceabili
ty limit
A
Arm point
(Connected
part of
bucket)
PW12B01351P1
ø40
(1.575)
–0.02
–0.05
(-0.0008)
(-0.0020)
+0.11
+0.06
(+0.0043)
(+0.0024)
0.08-
0.16
(0.0031-
0.0063)
0.7
(0.028)
1.0
(0.039)
Replace
bushing
or pin
B
Bucket link
(Bucket side)
+0.11
+0.05
(+0.0043)
(+0.0020)
0.07-
0.16
(0.0028-
0.0063)
C
Idler link
(Connected
part of arm)
PW12B01311P1
+0.08
+0.03
(+0.0031)
(+0.0012)
0.05-
0.13
(0.0020-
0.0051)
D
Bucket link
(Idler link
side)
PX12B01319P1
+0.09
+0.03
(+0.0035)
(+0.0012)
0.05-0.14
(0.0020-
0.0055)
D’
Bucket
cylinder
(Rod side)
+0.25
+0.05
(+0.0098)
(+0.0020)
0.07-
0.30
(0.0028-
0.0118)
E
Bucket
cylinder
(Head side)
PX12B01206P1
+0.13
+0.07
(+0.0051)
(+0.0028)
0.09-
0.18
(0.0035-
0.0071)
F
Arm foot
(Connected
part of boom)
PX12B01370P1
ø45
(1.772)
+0.10
+0.05
(+0.0039)
(+0.0020)
0.07-
0.15
(0.0028-
0.0059)
G
Arm cylinder
(Rod side)
PX12B01320P1
+0.13
+0.07
(+0.0051)
(+0.0028)
0.09-
0.18
(0.0035-
0.0071)

45. 3. ATTACHMENT DIMENSIONS
3-12
(2) Clearance in thrust direction on arm and cylinder installation section

46. 3. ATTACHMENT DIMENSIONS
3-13
3
Clearance in thrust direction on arm section
Clearance X shall be adjusted using shims, if clearance exceeds the standard value for repair.
• CX31B Unit : mm (in)
Sec. Item
Standard
dimensions
Clearance X adjusted with
shim (total of both sides)
Remedy
Pin length
No. Dimensions
Standard
value
Standard
value for
repair
Servicea
bility
limit
No. Dimensions
A-A Arm point
Arm
L1
140
(5.512)
0.5-2.1
(0.020-
0.083)
See "NOTE"
Adjusted
with
shim
PL1
268
(10.55)
Bucket
141±0.7
(5.551±0.028)
B-B Bucket link
Link side
L2
140
(5.512 ) PL2
268
(10.55)
Bucket
141±0.7
(5.551±0.028)
C-C
Idler link
(Connected
part of arm)
Arm
L3
140
(5.551)
0.1-0.5
(0.004-
0.020)
— PL3
204.5
(8.05)
Link side
—
(—)
D-D
Bucket link
(Rod side)
Rod side
L4
55
(2.165 )
Less
than 0.5
(0.020)
1.0
(0.039)
1.5
(0.059)
PL5
204.5
(8.05)
Link side
56
(2.205 )
Bucket link
(Idler link side)
Bucket link
L5
140
(5.512 )
0.1-0.5
(0.004-
0.020)
—
Idler link
—
(—)
E-E
Bucket cylinder
(Head side)
Head side
L6
55
(2.165 )
0.5-0.9
(0.020-
0.035)
1.0
(0.039)
1.5
(0.059)
PL6
153
(6.02)
Arm
56
(2.205 )
F-F Arm foot
Arm
L7
150
(5.906 )
Less
than 0.5
(0.020)
PL7
234.5
(9.23)
Boom
150
(5.906)
G-G
Arm cylinder
(Rod side)
Rod side
L8
60
(2.362 )
0.5-0.9
(0.020-
0.035)
PL8
151
(5.94)
Arm
61
(2.402 )

47. 3. ATTACHMENT DIMENSIONS
3-14
Clearance X shall be adjusted using shims, if clearance exceeds the standard value for repair.
• CX36B Unit : mm (in)
Sec. Item
Standard
dimensions
Clearance X adjusted with
shim (total of both sides)
Remedy
Pin length
No. Dimensions
Standard
value
Standard
value for
repair
Servicea
bility
limit
No. Dimensions
A-A Arm point
Arm
L1
140
(5.512)
0.5-2.1
(0.020-
0.083)
See "NOTE"
Adjusted
with
shim
PL1
268
(10.55)
Bucket
141±0.7
(5.551±0.028)
B-B Bucket link
Link side
L2
140
(5.512 ) PL2
268
(10.55)
Bucket
141±0.7
(5.551±0.028)
C-C
Idler link
(Connected
part of arm)
Arm
L3
140
(5.551)
0.1-0.5
(0.004-
0.020)
— PL3
204.5
(8.05)
Link side
—
(—)
D-D
Bucket link
(Rod side)
Rod side
L4
55
(2.165 )
Less
than 0.5
(0.020)
1.0
(0.039)
1.5
(0.059)
PL5
204.5
(8.05)
Link side
56
(2.205 )
Bucket link
(Idler link side)
Bucket link
L5
140
(5.512 )
0.1-0.5
(0.004-
0.020)
—
Idler link
—
(—)
E-E
Bucket cylinder
(Head side)
Head side
L6
55
(2.165 )
0.5-0.9
(0.020-
0.035)
1.0
(0.039)
1.5
(0.059)
PL6
157
(6.18)
Arm
56
(2.205 )
F-F Arm foot
Arm
L7
150
(5.906 )
Less
than 0.5
(0.020)
PL7
234.5
(9.23)
Boom
150
(5.906)
G-G
Arm cylinder
(Rod side)
Rod side
L8
60
(2.362 )
0.5-0.9
(0.020-
0.035)
PL8
160
(6.30)
Arm
61
(2.402 )

48. 3. ATTACHMENT DIMENSIONS
3-15
3
3.3 BUCKET
3.3.1 BUCKET DIMENSIONAL DRAWINGS
Bucket dimensional drawings
1. Japanese standard bucket.
No. Model CX31B CX36B
Heaped Capacity m3
(cu.yd)
0.09
(0.118)
0.11
(0.144)
A
B
C
D
Distance between pin and bracket
Distance between bucket pin and tooth end
Inner width of bucket top end
Inner width of lug
200 (7.87")
R712 (2'4.03")
430 (1'4.93")
193 (7.60")
<--
<--
530 (1'8.87")
<--
E
F
G
H
J
Inner width of bracket
Outer width of side cutter
Outer width of bucket bottom plate
Outer tooth distance
Pitch between teeth
141 (5.55")
500 (1'7.69")
405 (1'3.94")
367 (1'2.45")
122 (4.80")
<--
600 (1'11.62")
505 (1'7.88")
468 (1'6.43")
156 (6.14")
J0
d1
d2
Pitch between teeth
Pin dia.
Pin dia.
123 (4.83")
40 dia.(1.57")
40 dia.(1.57")
156 (6.14")
<--
<--

49. 3. ATTACHMENT DIMENSIONS
3-16
3.3.2 DETAIL DIMENSIONAL DRAWINGS OF LUG SECTION
Dimension of lug section
3.3.3 DETAIL DIMENSIONAL DRAWINGS OF BOSS SECTION
Dimension of boss section
Unit : mm (in)
Portion
Plate outer dia.
øA
Boss thickness
B
Pin bore dia.
øC
Lug plate thickness
D
Dimensions
ø85
(3.35)
26
(1.02)
ø40
(1.578 )
14
(0.551)
Unit : mm (in)
Portion øA øB øC øD E F øG
Dimensions
65
(2.56)
43
(1.69)
60
(2.36)
63
(2.48)
12
(0.472)
24
(0.945)
11
(0.433)

50. 3. ATTACHMENT DIMENSIONS
3-17
3
3.4 DOZER
3.4.1 DOZER DIMENSIONAL DRAWINGS
Dozer dimensional drawings
No. NAME
Dimensions [mm(ft-in)]
CX31B CX36B
A
B
C
D
E
Blade width
Blade height
Distance from dozer attaching pin center to cutting edge end
Inner width of dozer attaching bracket
Width of dozer attaching bracket
1550 (5'1.02")
346 (1'1.62")
R1187 (3'10.73")
500 (1'7.69")
60 (2.36")
1700 (5'6.93")
345 (1'1.58")
R1232 (4'0.50")
<--
<--
F
G
H
J
d1
Distance from dozer attaching pin center to attaching pin on
dozer cylinder head side
Attaching bracket inner width on dozer cylinder head side
Horizontal distance from dozer attaching pin center to edge end
Vertical distance from dozer attaching pin center to edge end
Dozer attaching pin dia.
R608 (1'11.94")
62 (2.44")
1144 (3'9.04")
315 (1'0.40")
40 dia.(1.57")
R626 (2'0.65")
<--
1192 (3'10.93")
310 (1'0.20")
<--
d2 Attaching pin dia. on dozer cylinder head side 45 dia.(1.77") <--

51. 3. ATTACHMENT DIMENSIONS
3-18
3.4.2 DOZER MAINTENANCE STANDARDS
Dozer maintenance standards
(1) Clearance of pin and bushing
Unit : mm (in)
Pos. Item Pin part No.
Standard dimension Clearance
Remedy
Pin dia.
Tolerance
on pin dia.
Tolerance
on bushing
bore dia.
Standard
value
Standard
value for
repair
Serviceabi
lity limit
A
Dozerblade
cylinder
(Head side)
PH12B01009P1
ø45
(1.772)
–0.06
–0.11
(-0.0024)
(-0.0043)
+0.20
+0.05
(+0.0079)
(+0.0020)
0.11-
0.31
(0.0043-
0.0122) 0.7
(0.028)
1.0
(0.039)
Replace
bushing
or pin
B
Dozerblade
cylinder
(Rod side)
C
Dozerblade
foot
PW51B01028P1
ø40
(1.575)
–0.06
–0.09
(-0.0024)
(-0.0035)
+0.22
+0.12
(+0.0087)
(+0.0047)
0.18-
0.31
(0.0071-
0.0122)

52. 3. ATTACHMENT DIMENSIONS
3-19
3
-The tolerance for bushing inside diameter means the dimension after fitting of it into place.
-The part number for pins may be changed owing to improvement, use them only for reference.
(2) Clearance in thrust direction on the dozer and cylinder installation section
Unit : mm (in)
Pos. Item
Standard dimensions
Remedy
Pin length
No. Dimensions
Clearance X
(total of both sides)
No. Dimensions
A
Dozer blade
cylinder
(Head side)
Head side
L1
60
(2.362 )
0.6-2.0
(0.023-0.079)
After shim
adjustment
When
clearance X
exceeds 3.5
mm, adjust it
with shim.
PL1
137
(5.39)
Dozer blade
62
(2.441 )
B
Dozer blade
cylinder
(Rod side)
Rod side
L2
60
(2.362 )
PL2
137
(5.39)
Lower
frame
62
(2.441 )
C
Dozer blade
foot
Dozer blade
L3
60±0.3
(2.362±0.012)
PL3
127
(5.00)Lower
frame
62
(2.441 )

53. 3. ATTACHMENT DIMENSIONS
3-20
3.5 SWING
3.5.1 SWING BRACKET DIMENSIONAL DRAWINGS
Swing bracket dimensional drawings
No. NAME DIMENSION [mm(in)]
A
B
C
D
E
Distance between swing center pin and boom foot pin
Distance between boom foot pin and boom cylinder pin
- ditto -
Distance between swing center pin and swing cylinder pin
- ditto -
96 (3.78)
176.8 (6.96)
266.9 (10.51)
R264 (10.39)
257 (10.12)
F
F1
F2
G
H
Inside width of swing center
- ditto -
- ditto -
Inside width of boom foot
Inside width for installing boom cylinder
303.7 (11.96)
75.7 (2.98)
73.5 (2.89)
178 (7.01)
61 (2.40)
J
d1
d2
d3
d4
Inside width for installing swing cylinder
Pin dia. of swing center
Pin dia. of boom foot
Pin dia. of boom cylinder
Pin dia. of swing cylinder
67 (2.64)
65 dia.(2.56)
45 dia.(1.77")
45 dia.(1.77")
45 dia.(1.77")
AB
C
A
F1
F2
F
d1
J
d4
d2
G
D
E
H
d3

54. 3. ATTACHMENT DIMENSIONS
3-21
3
3.5.2 SWING PORTION MAINTENANCE STANDARDS
(1) Clearance of pin and bushing
Clearance of pin and bushing on swing portion
-The tolerance for bushing inside diameter means the dimension after fitting of it into place.
-The part number for pins may be changed owing to improvement, use them only for reference.
Unit : mm (in)
Pos. Item Pin part No.
Standard dimension Clearance
Remedy
Pin dia.
Tolerance
on pin dia.
Tolerance
on bushing
bore dia.
Standard
value
Standard
value for
repair
Serviceabi
lity limit
A
Swing
cylinder
(Rod side)
PX02B01241P1
ø45
(1.772)
–0.02
–0.05
(-0.0008)
(-0.0020)
+0.20
+0.05
(+0.0079)
(+0.0020)
0.07-
0.25
(0.0028-
0.0098)
0.7
(0.028)
1.0
(0.039)
Replace
bushing
or pin
B
Swing
cylinder
(Head side)
PW02B01271P1
C
Swing
center
(Upper side)
PX02B01239P1
ø65
(2.559)
+0.07
+0.02
(+0.0028)
(+0.0008)
0.04-
0.12
(0.0016-
0.0047)D
Swing center
(Lower side)
PX02B01275P1

55. 3. ATTACHMENT DIMENSIONS
3-22
(2) Clearance in thrust direction on swing bracket and cylinder installation section
Clearance in thrust direction on swing portion
SECTION C-C, D-D
SECTION A-A
SECTION B-B
WASHER
[t=2.3 (0.091”)]
PL 1 PL 2

56. 3. ATTACHMENT DIMENSIONS
3-23
3
Unit : mm (in)
Sec. Item
Standard
Dimension
Clearance X adjusted with shim
(total of both sides)
Remedy
Pin length
No. Dimensions
Standard
value
Standard
value for
repair
Serviceability
limit
No. Dimensions
A-A
Swing
cylinder
(Rod side)
Cylinder
L1
65
(2.559 )
0.5-0.9
(0.020-
0.035)
1.5
(0.059)
—
Adjusted
with
shim
PL1
123
(4.84)
Bracket
67
(2.638 )
B-B
Swing
cylinder
(Head side)
Cylinder
L2
65
(2.559 )
0.1-0.5
(0.004-
0.020)
1.0
(0.039)
— PL2
128
(5.04)
Upper
frame
67
(2.638 )
C-C
Swing
center
(Upper
side)
Upper
frame
L3
71±0.5
(2.795
±0.020)
—
Replace
washer
PL3
153.5
(6.04)
Bracket
75.7±1
(2.98
±0.039)
D-D
Swing
center
(Lower
side)
Upper
frame
L4
71.5±0.5
(2.815
±0.020)
0.5-0.9
(0.020-
0.035)
1.5
(0.059)
—
Adjusted
with
shim
PL4
134
(5.28)
Bracket
73.5±1
(2.894
±0.039)

57. 3. ATTACHMENT DIMENSIONS
3-24

58. 11. TOOLS
11-1
11
Book Code No. S5PW1131E02
11. TOOLS
TABLE OF CONTENTS
11.1 TORQUE SPECIFICATIONS FOR CAPSCREWS & NUTS .............................. 11-3
11.1.1 Metric Coarse Thread Standard Tightening Torque Values ....................... 11-3
11.1.2 Metric Fine Thread Standard Tightening Torque values............................. 11-4
11.2 SCREW AND TOOL SIZES ............................................................................... 11-5
11.2.1 CAPSCREW .............................................................................................. 11-5
11.2.2 CAPSCREW (SOCKET BOLT) .................................................................. 11-5
11.3 TORQUE SPECIFICATIONS FOR JOINTS AND HOSES ................................ 11-6
11.3.1 JOINTS FOR PIPING (O-RING SEALING TYPE) ..................................... 11-6
11.3.2 HYDRAULIC HOSE (30 DEG. FLARE TYPE) ........................................... 11-6
11.4 TORQUE SPECIFICATIONS FOR SLEEVE TYPE TUBE FITTINGS ............... 11-7
11.4.1 SLEEVE TYPE TUBE FITTINGS .............................................................. 11-7
11.4.2 PART NO. .................................................................................................. 11-7
11.5 PLUGS ............................................................................................................... 11-8
11.5.1 PLUG FOR HYDRAULIC PIPE JOINT ...................................................... 11-8
11.5.2 PLUG FOR HYDRAULIC EQUIPMENT .................................................... 11-9
11.6 SPECIAL SPANNERS FOR TUBES .................................................................. 11-10
11.7 SPECIAL TOOLS ............................................................................................... 11-11
11.8 APPLICATION OF SCREW LOCKING AND SEALING COMPOUNDS ............ 11-12
11.9 COUNTERWEIGHT LIFTING JIG ..................................................................... 11-13
11.10 UPPER FRAME LIFTING JIG ............................................................................ 11-14

59. 11. TOOLS
11-2
Issue Date of Issue Applicable Machines Remarks
First Edition March, 2010
SK30SR-5 : PW14-
SK35SR-5 : PX15-
S5PW1131E01
(KCM North America)
↑ ↑
CX31B : PW14-
CX36B : PX15-
↑
(CASE-NA)
↑ ↑
E30B : PW14-
E35B : PX15-
↑
(NH-NA)
Revision June, 2010
SK30SR-5 : PW14-46519~
SK35SR-5 : PX15-21105~
S5PW1131E02
(KCM North America)
↑ ↑
CX31B : PW14-46519~
CX36B : PX15-21105~
↑
(CASE-NA)
↑ ↑
E30B : PW14-46519~
E35B : PX15-21105~
↑
(NH-NA)

60. 11. TOOLS
11-3
11
11.1 TORQUE SPECIFICATIONS FOR CAPSCREWS & NUTS
The following Torque Specifications are provided for use when actual torque value of a fastener is not known.
Check the capscrews and nuts for their looseness and dropping off before the start of daily work and at the
periodical maintenance. Retighten the loosened ones, and install new ones for the dropped off. For the new
machine, the check and retightening of them must be carried out at first 50 hours operation. For the replacement of
them, make sure to use the same size of manufacturer's genuine parts.
Refer to the table below for the tightening and retightening of capscrews.
• The table below is not applicable for the capscrews to fix the cover, etc., made of plastic. For the tightening
torque for such capscrews, consult with an authorized our distributor. Over-tightening may cause damages on
the parts to be fixed.
• In case that the tightening torque is specified in the manual, use such torque values regardless to the table
below.
• Numerical indication on the capscrew head shows the classification for strength (e.g., 7 = 7 T). No indication is
provided for smaller size of capscrews, M 5 or less.
Make certain to tighten all capscrews and nuts to proper torque values.
11.1.1 Metric Coarse Thread Standard Tightening Torque Values
Torque value Unit : N•m (lbf•ft)
Classification 4.8T 7T 10.9T
Nominal size No lubrication Oil lubrication No lubrication Oil lubrication No lubrication Oil lubrication
M6 P=1
4.4±0.5
(3.2±0.4)
3.7±0.4
(2.7±0.3)
9.6±1.0
(7.1±0.7)
8.1±0.8
(6.0±0.6)
17.4±1.8
(12.8±1.3)
14.7±1.5
(10.8±1.1)
M8 P=1.25
10.7±1.1
(7.9±0.8)
9.0±0.9
(6.6±0.7)
23.5±2.0
(17.3±1.5)
19.6±2.0
(14.5±1.5)
42.2±3.9
(31.1±2.9)
35.3±3.9
(26.0±2.9)
M10 P=1.5
21.6±2.0
(15.9±1.4)
17.9±1.8
(13.2±1.3)
46.1±4.9
(34.0±3.6)
39.2±3.9
(28.9±2.9)
83.4±8.8
(61.5±6.5)
70.6±6.9
(52.1±5.1)
M12 P=1.75
36.3±3.9
(26.8±2.9)
31.4±2.9
(23.2±2.1)
79.4±7.8
(58.6±5.8)
66.7±6.9
(49.2±5.1)
143±15
(105±11)
121±12
(89.2±8.9)
M14 P=2
57.9±5.9
(42.7±4.4)
49.0±4.9
(36.1±3.6)
126±13
(92.9±9.6)
106±10
(78.2±7.4)
226±20
(167±15)
191±19
(141±14)
M16 P=2
88.3±8.8
(65.1±6.5)
74.5±6.9
(55.0±5.1)
191±20
(141±15)
161±16
(119±12)
343±39
(253±29)
284±29
(209±21)
M18 P=2.5
122±12
(90.0±8.9)
103±10
(75.8±7.2)
265±29
(195±21)
226±20
(167±15)
481±49
(355±36)
402±39
(297±29)
M20 P=2.5
172±17
(127±13)
144±14
(106±10)
373±39
(275±29)
314±29
(232±21)
667±69
(492±51)
559±59
(412±44)

61. 11. TOOLS
11-4
11.1.2 Metric Fine Thread Standard Tightening Torque values
Torque value Unit : N•m (lbf•ft)
Classification 4.8T 7T 10.9T
Nominal size No lubrication Oil lubrication No lubrication Oil lubrication No lubrication Oil lubrication
M22 P=2.5
226±20
(167±15)
192±20
(142±15)
500±49
(369±36)
422±39
(311±29)
902±88
(665±65)
755±78
(557±58)
M24 P=3
294±29
(217±21)
235±29
(173±21)
637±69
(470±51)
520±49
(383±36)
1160±118
(856±87)
941±98
(694±72)
M27 P=3
431±39
(318±29)
353±39
(260±29)
941±98
(694±72)
765±78
(564±58)
1700±167
(1250±123)
1370±137
(1010±101)
M30 P=3.5
588±59
(434±44)
490±49
(361±36)
1285±127
(948±94)
1079±108
(796±80)
2300±235
(1700±173)
1940±196
(1430±145)
M33 P=3.5
794±78
(586±58)
667±69
(492±51)
1726±177
(1270±131)
1451±147
(1070±108)
3110±314
(2290±232)
2610±265
(1930±195)
M36 P=4
1030±98
(760±72)
863±88
(637±65)
2226±226
(1640±167)
1863±186
(1370±137)
4010±402
(2960±297)
3360±333
(2480±246)
Torque value Unit : N•m (lbf•ft)
Classification 4.8T 7T 10.9T
Nominal size No lubrication Oil lubrication No lubrication Oil lubrication No lubrication Oil lubrication
M8 P=1.0
11.3±1.1
(8.3±0.8)
9.5±1.0
(7.0±0.7)
24.5±2.0
(18.1±1.5)
20.6±2.0
(15.2±1.5)
44.1±3.9
(32.5±2.9)
37.3±3.9
(27.5±2.9)
M10 P=1.25
22.6±2.0
(16.7±1.5)
18.7±1.9
(13.8±1.4)
48.1±4.9
(35.5±3.6)
41.2±3.9
(30.3±2.9)
87.3±8.8
(64.4±6.5)
73.5±6.9
(54.2±5.1)
M12 P=1.25
39.2±3.9
(28.9±2.9)
33.3±2.9
(24.6±2.1)
85.3±8.8
(62.9±6.5)
71.6±6.9
(52.8±5.1)
154±16
(114±12)
129±13
(95.2±9.6)
M16 P=1.5
92.2±8.8
(68.0±6.5)
77.5±7.8
(57.2±5.8)
196±20
(145±15)
169±17
(125±13)
363±39
(268±29)
304±29
(224±21)
M20 P=1.5
186±19
(137±14)
155±16
(114±12)
402±39
(297±29)
333±29
(246±21)
726±69
(535±51)
608±59
(448±44)
M24 P=2
314±29
(232±21)
265±29
(195±21)
686±69
(506±51)
569±59
(420±44)
1240±118
(915±87)
1030±98
(760±72)
M30 P=2
637±59
(470±44)
530±49
(391±36)
1390±137
(1030±101)
1157±118
(853±87)
2500±255
(1840±188)
2080±206
(1530±152)
M33 P=2
853±88
(629±65)
706±70
(521±52)
1860±186
(1370±137)
1550±155
(1140±114)
3350±334
(2470±246)
2790±275
(2060±203)
M36 P=3
1070±108
(789±80)
892±88
(658±65)
2330±226
(1720±167)
1940±196
(1430±145)
4200±422
(3100±311)
3500±353
(2580±260)

62. 11. TOOLS
11-5
11
11.2 SCREW AND TOOL SIZES
11.2.1 CAPSCREW
11.2.2 CAPSCREW (SOCKET BOLT)
Nominal
screw size
(d)
B mm Nominal
screw size
(d)
B mm
Tool size Tool size
M6 10 M24 36
M8 13 M30 46
M10 17 M36 55
M12 19 M42 65
M16 24 M48 75
M20 30
B
d
Nominal
screw size
(d)
B mm Nominal
screw size
(d)
B mm
Tool size Tool size
M6 5 M20 17
M8 6 M24 19
M10 8 M30 22
M12 10 M36 27
M14 12 M42 32
M16 14 M48 36
(M18) 14
B
d

63. 11. TOOLS
11-6
11.3 TORQUE SPECIFICATIONS FOR JOINTS AND HOSES
11.3.1 JOINTS FOR PIPING (O-RING SEALING TYPE)
11.3.2 HYDRAULIC HOSE (30 DEG. FLARE TYPE)
NOTE : The application of the tightening torque is subject to a dry condition.
Nominal screw size
(PF)
Spanner size
(mm)
Tightening torque
N•m (lbf•ft)
1 / 8 14 17±2 (12±1)
1 / 4 19 36±2 (27±1)
3 / 8 22 74±5 (54±4)
1 / 2 27 108±9.8 (80±7)
3 / 4 36 162±9.8 (119±7)
1 41 255±9.8 (188±7)
Nominal screw size
(PF)
Spanner size
(mm)
Tightening torque
N•m (lbf•ft)
1 / 8 17 15±2.0 (11±1)
1 / 4 19 29±4.9 (22±4)
3 / 8 22 49±4.9 (36±4)
1 / 2 27 78±4.9 (58±4)
3 / 4 36 118±9.8 (87±7)
1 41 137±15 (101±11)

64. 11. TOOLS
11-7
11
11.4 TORQUE SPECIFICATIONS FOR SLEEVE TYPE TUBE FITTINGS
11.4.1 SLEEVE TYPE TUBE FITTINGS
11.4.2 PART NO.
Tube size
OD × Thickness (mm)
Spanner size
(mm)
Tightening Torque
N•m (lbf•ft)
10 × 1.5 19 44±4.9 (33±4)
15 × 2.0 27 147±20 (110±14)
18 × 2.5 32 177±20 (130±14)
22 × 3.0 36 216±20 (160±14)
28 × 4.0 41 275±29 (200±22)
35 × 5.0 55 441±44 (330±33)
SLEEVE NUT
Tube size
ød
Part NO.
Tube size
ød
Opposing
flats(HEX)
B
Part NO.
Ihara Koatu Nippon A.M.C Ihara Koatu Nippon A.M.C
6 ZF93S06000 — 6 14 ZF93N06000 —
8 ZF93S08000 — 8 17 ZF93N08000 —
10 ZF93S10000 ZA93S10000 10 19 ZF93N10000 ZA93N10000
12 ZF93S12000 — 12 22 ZF93N12000 —
15 ZF93S15000 ZA93S15000 15 27 ZF93N15000 ZA93N15000
18 ZF93S18000 ZA93S18000 18 32 ZF93N18000 ZA93N18000
22 ZF93S22000 ZA93S22000 22 36 ZF93N22000 ZA93N22000
28 ZF93S28000 ZA93S28000 28 41 ZF93N28000 ZA93N28000
32 ZF93S32000 — 32 50 ZF93N32000 —
35 ZF93S35000 ZA93S35000 35 55 ZF93N35000 ZA93N35000
38 ZF93S38000 — 38 60 ZF93N38000 —
d
d
B

65. 11. TOOLS
11-8
11.5 PLUGS
11.5.1 PLUG FOR HYDRAULIC PIPE JOINT
(1) Cap nut (Joint plug)
(2) Plug (Tube plug)
(3) Nut
A
T screwH1 H
Applicable
tube
O. D : A
Cap nut parts
No.
T screw
Opposing flats
6
8
10
12
15
18
22
28
ZF83H06000
ZF83H08000
ZF83H10000
ZF83H12000
ZF83H15000
ZF83H18000
ZF83H22000
ZF83H28000
M12 X 1.5
M14 X 1.5
M16 X 1.5
M18 X 1.5
M22 X 1.5
M26 X 1.5
M30 X 1.5
M36 X 1.5
H1
14
17
17
19
24
27
32
38
H
14
17
19
22
27
32
36
41
Plug parts No.
6
8
10
12
15
18
22
28
ZF83P06000
ZF83P08000
ZF83P10000
ZF83P12000
ZF83P15000
ZF83P18000
ZF83P22000
ZF83P28000
NutSleeve
Type
joint body
Applicable
tube
O. D : A
A
A
6
8
10
12
15
18
22
28
32
35
38
ZF93N06000
ZF93N08000
ZF93N10000
ZF93N12000
ZF93N15000
ZF93N18000
ZF93N22000
ZF93N28000
ZF93N32000
ZF93N35000
ZF93N38000
M12 X 1.5
M14 X 1.5
M16 X 1.5
M18 X 1.5
M22 X 1.5
M26 X 1.5
M30 X 1.5
M36 X 1.5
M42 X 1.5
M45 X 1.5
M48 X 1.5
14
17
19
22
27
32
36
41
50
55
60
D Screw
Applicable
tube
O. D : A
Nut parts No. D screw Opposing flats

66. 11. TOOLS
11-9
11
11.5.2 PLUG FOR HYDRAULIC EQUIPMENT
(1) PF screw
(2) PT screw
(3) Plug for(F)flare hose
B
PF screw
PF1/4
PF3/8
PF1/2
PF3/4
PF1
Plug parts No.
ZE72X04000
ZE72X06000
ZE72X08000
ZE72X12000
ZE72X16000
Nominal O-ring
1B P11
1B P14
1B P18
1B P24
1B P29
O-ring parts No.
ZD12P01100
ZD12P01400
ZD12P01800
ZD12P02400
ZD12P02900
B mm
19
22
27
36
41PF screw
O-ring
PT screw
PT1/8
PT1/4
PT3/8
PT1/2
PT3/4
PT1
PT1 1/4
PT1 1/2
Plug parts No.
ZE82T02000
ZE82T04000
ZE82T06000
ZE82T08000
ZE82T12000
ZE82T16000
ZE82T20000
ZE82T24000
B mm
5
6
8
10
14
17
22
22
PT screw
B
PF screw
PF1/4
PF3/8
PF1/2
PF3/4
PF1
Plug parts No.
2444Z2728D1
2444Z2728D2
2444Z2728D3
2444Z2728D4
2444Z2728D5
B mm
14
17
22
27
36
PF screw
Opposing flats B
6060
PF
screw
Opposing
flats E
Opposing
flats F
PF screw
PF1/4
PF3/8
PF1/2
PF3/4
PF1
PF1 1/4
Plug parts No.
2444Z2729D1
2444Z2729D2
2444Z2729D3
2444Z2729D4
2444Z2729D5
2444Z2729D6
E mm
14
17
23
27
36
40
F mm
19
22
27
36
41
50

67. 11. TOOLS
11-10
11.6 SPECIAL SPANNERS FOR TUBES
Applicable tube diameter
mm (in)
Part No.
HEX
mm
15 (0.591) 2421T160 27
18 (0.709) 2421T138 32
22 (0.866) 2421T130 36
28 (1.102) 2421T115 41
Dimensions of a special spanner
mm (in)
(0.630)
70(2.76)
(0.866)
12.7 (0.500 )40(1.57)
(0.315)
42(1.65)
70(2.76)
22(0.866)
(0.748) (0.866)
12.7 (0.500 )
(0.906) (0.866)
12.7 (0.500 )
48(1.89) 11.5(0.453)
70(2.76)
12.7 (0.500 )
109(4.29)
14.5(0.571)
60(2.36)
(1.142) (0.866)

68. 11. TOOLS
11-11
11
11.7 SPECIAL TOOLS
No. Tools name Tools No. Shape Use.
1
Torx driver
(with tamper
proof)
T25
(for M5)
—
For instrument
R.H cover
4.4 (0.17")
Nose shape

69. 11. TOOLS
11-12
11.8 APPLICATION OF SCREW LOCKING AND SEALING COMPOUNDS
Service
Manufacturer
Features
Loctite Three-Bond
Screw locking
compound
#242 1360K Low strength
#262 1374 Middle strength
#271 1305 High strength
Sealing compound #515 1215 Sealing

70. 11. TOOLS
11-13
11
11.9 COUNTERWEIGHT LIFTING JIG
Counterweight lifting jig

71. 11. TOOLS
11-14
11.10 UPPER FRAME LIFTING JIG
Upper frame lifting jig
R
5
(0.20")
5
(0.20")
5
(0.20")
15
(0.59")
167
(6.58")
12
(0.47")
12 (0.47")
50
(1.97")50
(1.97")
50
(1.97")
2-C
20(0.79")
R30
(1.18")
R20
(0.79")
C25
(0.98")
C10(0.39")
244 (9.61") 16 (0.63")
16
(0.63")
300 (11.8")
40 (1.58")
470(18.5")
420(16.5")
536(21.1")
100
(3.94")
40(2)-100
(1.58"(0.079")-3.94")
40(4)-120
{1.58"(0.16")-4.72"}
Q'ty : 2 sets
Material : Mild steel
Unit : mm (in)
24(0.95")

72. 12. STANDARD MAINTENANCE TIME TABLE
12-1
12
Book Code No. S5PW1231E02
12. STANDARD MAINTENANCE TIME
TABLE
TABLE OF CONTENTS
12.1 STANDARD WORKING TIME TABLE FOR THE MAINTENANCE OF EXCAVATOR 12-4

73. 12. STANDARD MAINTENANCE TIME TABLE
12-2
Issue Date of Issue Applicable Machines Remarks
First Edition March, 2010
SK30SR-5 : PW14-
SK35SR-5 : PX15-
S5PW1231E01
(KCM North America)
↑ ↑
CX31B : PW14-
CX36B : PX15-
↑
(CASE-NA)
↑ ↑
E30B : PW14-
E35B : PX15-
↑
(NH-NA)
Revision June, 2010
SK30SR-5 : PW14-46519~
SK35SR-5 : PX15-21105~
S5PW1231E02
(KCM North America)
↑ ↑
CX31B : PW14-46519~
CX36B : PX15-21105~
↑
(CASE-NA)
↑ ↑
E30B : PW14-46519~
E35B : PX15-21105~
↑
(NH-NA)

74. 12. STANDARD MAINTENANCE TIME TABLE
12-3
12
PREFACE
(1) Working Conditions
1. Technicians : One more technicians who are qualified by Manufacturer are needed. The technicians need five of
more years of experience, and they have to complete the training in the operation of this machine.
2. Facilities : General jigs, tools, apparatus, testers to be provided.
The maintenance workshop to be equipped with a good enough capacity of building with crane and inspection
instruments necessary for specific self inspection activities.
3. Place : The workshop should have a level surface where work can be performed with access to a lift crane.
(2) Applicable Range of Standard Maintenance Time
1. Standard maintenance time : Direct maintenance time plus spare time.
2. Direct maintenance time : Net time actually spent for maintenance.
3. Spare time : Time for transportation of the machine for maintenance, preparation for safety work, meetings,
lunch and breaks for the technician.
(3) Excluded Time (not included in the standard maintenance time)
1. Repairing time : Time for machining, sheet metal processing, welding, gas cutting, removing broken parts and
painting.
2. Items excluded from maintenance time because of uncertainty in time :
Receiving the vehicle into shop, transportation, delivery, final inspection and investigation of causes for trouble,
diagnosis and inspection.
3. Indirect time : Time for field work, preparation of required parts, etc., before starting work, going to and from the
site, waiting due to user's convenience at the site and paper work for reports, bills, etc.
4. Special time : Working time at early morning, at mid night and on holidays shall be separately calculated.
5. Separate calculation : The cost for service cars, trucks with crane and truck cranes shall be separately
calculated.
(4) Applicable Machine for Estimation of Standard Maintenance Time
1. Standard machine.
2. A well maintained machine combined with standard attachments which has operated in a normal
circumstances.

75. 12. STANDARD MAINTENANCE TIME TABLE
12-4
12.1 STANDARD WORKING TIME TABLE FOR THE MAINTENANCE OF
EXCAVATOR
(1) Standard maintenance time table
1. Units of working time : 6 minutes = 0.1 hour
2. Calculating method of standard maintenance time :
Maintenance time = Working time X Number of workers
(Working time = Maintenance time / Number of workers)
3. When more than one work are done,
a. Add each standard maintenance time
b. A net time (readily starting) is given except covers easily removed by hand.
c. Assy works include the following works marked with black dot ·
4. O / H : The removing and installing time are not included.
5. Abbreviations in the table.
(2) Classification of work code
01 Attachment(1/2)
ASSY ; Assembly SOL ; Solenoid Rem. ; Removal
ATT ; Attachment SW ; Switch Inst. ; Installation
BRG ; Bearing V ; Valve O/H ; Overhaul
C/V ; Control valve F hose ; Flexible hose
Cyl ; Cylinder E/G ; Engine
No. GROUP REMARKS
01
02
03
04
Attachment
Canopy and Guard
Upper Structure
Under carriage
To indicate removing, installing, replacement
and overhaul.
No. EQUIPMENT PORTION
WORK TO
BE DONE
UNIT REMARKS
UNIT:
HOUR
00 Bucket portion Refer to 32.1.2
01
02
03
04
05
06
07
Bucket ASSY
-Bucket removing / installing position
-Bucket installing pin
-Bucket drive pin
-Bucket sling and transfer
Bucket (Single)
-Bushing
Rem./Inst.
Preparation
Rem./Inst.
- ditto -
Preparation
O / H
Replace
1 pc.
1 pc.
1 pc.
1 pc.
1 pc.
1 pc.
1 pc.
Include adjustment
Include stopper pin.
Not include removal / inst.
0.4
0.1
0.1
0.1
0.1
0.6
0.5
10 Arm portion Refer to 32.1.3
11 Arm ASSY Rem./Inst. 1 pc. 0.8
12
13
14
15
16
17
18
-Bucket cylinder removing / installing
position and piping
-Bucket cylinder rod pin
-Bucket cylinder head pin
-Bucket cylinder assy
-Arm cylinder rod pin
-Boom top pin
-Arm sling and transfer
Preparation
Rem./Inst.
- ditto -
- ditto -
- ditto -
- ditto -
- ditto -
1 pc.
1 pc.
1 pc.
1 pc.
1 pc.
1 pc.
1 pc.
Include stopper pin.
Include stopper pin.
Include stopper pin.
0.2
0.1
0.1
0.1
0.1
0.1
0.1

76. 12. STANDARD MAINTENANCE TIME TABLE
12-5
12
01 Attachment(2/2)
No. EQUIPMENT PORTION
WORK TO
BE DONE
UNIT REMARKS
UNIT:
HOUR
20 Boom portion Refer to 32.1.4
21
22
23
24
25
26
27
28
29
Boom ASSY
-Boom removing / installing position
-Boom cylinder temporary slinging
-Boom cylinder rod pin
-Boom cylinder piping
-Arm & Bucket piping
-Boom assy temporary slinging
-Boom foot pin
-Boom assy slinging
Rem./Inst.
Preparation
- ditto -
Rem./Inst.
- ditto -
- ditto -
Rem./Inst.
- ditto -
- ditto -
1 pc.
1 pc.
1 pc.
1 pc.
1 pc.
1 pc.
1 pc.
1 pc.
1 pc.
Include stopper pin.
Include stopper pin.
1.0
0.1
0.1
0.1
0.1
0.2
0.1
0.1
0.1
30
31
32
33
40
41
42
43
Arm cylinder removing / installing
-Arm cylinder piping
-Arm cylinder head pin
-Arm cylinder slinging
Boom cylinder removing / installing
-Boom cylinder piping
-Boom cylinder head pin
-Boom cylinder slinging
- ditto -
- ditto -
- ditto -
- ditto -
- ditto -
- ditto -
- ditto -
- ditto -
1 pc.
1 pc.
1 pc.
1 pc.
1 pc.
1 pc.
1 pc.
1 pc.
Include stopper pin.
0.3
0.1
0.1
0.1
0.3
0.1
0.1
0.1
50
51
60
61
70
71
Bucket cylinder
-Pin bushing
Arm cylinder
-Pin bushing
Boom cylinder
-Pin bushing
O / H
Replace
O / H
Replace
O / H
Replace
1 pc.
1 set
1 pc.
1 set
1 pc.
1 set
Include seal.
Include seal.
Include seal.
2.5
1.0
2.5
1.0
2.5
1.0
80 Swing portion Refer to 32.1.5
81
82
83
84
Swing bracket assy
-Swing cylinder rod pin
-Swing bracket slinging
-Swing center pin
Rem./Inst.
- ditto -
- ditto -
- ditto -
1 pc.
1 pc.
1 pc.
1 pc.
After removing boom. 0.4
0.1
0.1
0.1
85
86
87
88
89
Swing cylinder removing / installing
-Swing cylinder hose
-Swing cylinder head pin
Swing cylinder
-Pin bushing
Other necessary works
- ditto -
Rem./Inst.
- ditto -
O / H
Replace
Rem./Inst.
1 pc.
2 pcs.
1 pc.
1 pc.
1 pc.
1 set
After removing swing
bracket.
Include seal.
Panel assy (3)
0.3
0.2
0.1
2.5
1.0
0.1
90 Dozer portion Refer to 32.1.6
91
92
93
94
95
96
Dozer ASSY
-Dozer cylinder hose
-Dozer cylinder rod pin
-Dozer installing pin
Dozer cylinder
-Pin bushing
Rem./Inst.
- ditto -
- ditto -
- ditto -
O / H
Replace
1 pc.
2 pcs.
1 pc.
2 pcs.
1 pc.
1 set Include seal.
0.6
0.2
0.1
0.2
2.5
1.0

77. 12. STANDARD MAINTENANCE TIME TABLE
12-6
02 Canopy & Guard (1/1)
No. EQUIPMENT PORTION
WORK TO
BE DONE
UNIT REMARKS
UNIT:
HOUR
00 Canopy portion Refer to 33.1.1
01
02
Canopy assy
-Hand rail
Rem./Inst.
- ditto -
1 pc.
1 pc.
0.2
0.1
10 Cab portion Refer to 33.1.1
11
12
Cab assy
-Harness
Rem./Inst.
- ditto -
1 pc.
1 pc.
0.4
0.1
20 Bonnet & Guard Refer to 33.1.2
21
22
23
24
25
Cover assy (1)
Bonnet assy (2)
Cover assy (3)
Cover assy (4)
Cover assy (5)
Rem./Inst.
- ditto -
- ditto -
- ditto -
Rem./Inst.
1pc.
1pc.
1pc.
1pc.
1pc.
0.1
0.1
0.1
0.1
0.1
30 Control stand portion Refer to 33.1.15
31
32
33
34
35
36
37
Control stand ASSY
-Air cleaner
-E / G control cable
-Deceleration motor (OPT)
-Filler neck
-Fuel air bleed hose
-Harness
Rem./Inst.
- ditto -
- ditto -
- ditto -
- ditto -
- ditto -
- ditto -
1 pc.
1 pc.
1 pc.
1 pc.
1 pc.
1 pc.
1 set
1.0
0.1
0.2
0.1
0.1
0.1
0.3
Other necessary works Rem./Inst.
- ditto -
- ditto -
- ditto -
- ditto -
1 set
1 set
1 set
1 pc.
1 pc.
Canopy
Floor cover
Guard (Cover, support)
Counterweight
Negative terminal of
battery
0.2
0.1
0.4
0.4
0.1
40 Floor plate portion Refer to 33.1.3
41 Floor plate assy
Other necessary works
Rem./Inst.
- ditto -
1 set
1 pc. Canopy removal / inst
0.5
0.2
50 Counterweight portion Refer to 33.1.5
51
52
53
54
Counterweight ASSY
-Lifting tools
-Slinging
-Counterweight fixing bolt
Other necessary works
Rem./Inst.
Preparation
Rem./Inst.
- ditto -
- ditto -
1 pc.
1 set
1 pc.
1 set
3 pcs. Guards
0.4
0.1
0.1
0.1
0.3

78. 12. STANDARD MAINTENANCE TIME TABLE
12-7
12
03 Upper structure (1/4)
No. EQUIPMENT PORTION
WORK TO
BE DONE
UNIT REMARKS
UNIT:
HOUR
00 Control portion
01
04
E / G control cable
Other necessary works
Rem./Inst.
- ditto -
1 pc.
1 set Cover and Hose
0.2
0.4
10 Intake portion Refer to 33.1.12
11
12
13
14
Air cleaner ASSY
-Hose (1)
-Hose (2)
-Element
Rem./Inst.
- ditto -
- ditto -
Replace
1 pc.
1 pc.
1 pc.
1 pc.
0.3
0.1
0.1
0.1
20 Exhaust portion Refer to 33.1.14
21
22
23
24
Muffler ASSY
-Clamp
-Exhaust manifold attaching nuts
-Muffler fixing bolt
Other necessary works
Rem./Inst.
- ditto -
- ditto -
- ditto -
- ditto -
1 pc.
1 pc.
4 pcs.
4 pcs.
1 set Heat insulation cover
0.4
0.1
0.1
0.1
0.1
30 E / G Accessory portion Refer to 33.1.13 & 33.1.16
31
32
33
34
Generator
-Connector
-Generator fixing bolt
-V-belt
Other necessary works
Rem./Inst.
- ditto -
- ditto -
- ditto -
- ditto -
- ditto -
1 pc.
1 pc.
2 pcs.
1 pc.
1 set
1 pc.
Include tension adjusting
Covers
Negative terminal of
battery
0.6
0.1
0.1
0.3
0.1
0.1
36
37
38
39
Starter
-B-terminal
-S-terminal connector
-Starter fixing bolt
Other necessary works
Rem./Inst.
- ditto -
- ditto -
- ditto -
- ditto -
- ditto -
- ditto -
1 pc.
1 pc.
1 pc.
2 pcs.
1 set
1 set
1 pc.
Cover and Floor plate
Seat and Stand cover
Negative terminal of
battery
0.5
0.1
0.1
0.2
0.1
0.3
0.1
40 Fuel portion Refer to 33.1.10
41
42
43
44
45
46
Fuel tank ASSY
-Fuel
-Hose (Supply ; water separator side)
-Hose (Return ; filter side)
-Level sensor connector
-Fuel tank fixing bolt
Other necessary works
Rem./Inst.
Replace
Rem./Inst.
- ditto -
- ditto -
- ditto -
- ditto -
1 pc.
1 pc.
1 pc.
1 pc.
1 pc.
4 pcs.
1 pc. Covers
0.6
0.2
0.1
0.1
0.1
0.1
0.2

79. 12. STANDARD MAINTENANCE TIME TABLE
12-8
03 Upper structure (2/4)
No. EQUIPMENT PORTION
WORK TO
BE DONE
UNIT REMARKS
UNIT:
HOUR
50 Hydraulic oil tank portion Refer to 33.1.11
51
52
53
54
Hydraulic oil tank ASSY
-Return filter
-Hydraulic oil
-Suction hose
Rem./Inst.
Replace
- ditto -
Rem./Inst.
1 pc.
1 pc.
1 pc.
1 pc.
After removing fuel tank ;
Include pressure releasing
& replacing O-ring
1.6
0.2
0.2
0.2
55
56
57
58
-Strainer
-Pilot return hose
-Swivel drain hose
-SOL. valve return hose
Replace
Rem./Inst.
- ditto -
- ditto -
1 pc.
1 pc.
1 pc.
1 pc.
Include replacing O-ring 0.1
0.1
0.1
0.1
59
60
-Slewing, C / V return hose
-Tank fixing bolt
Other necessary works
- ditto -
- ditto -
- ditto -
- ditto -
- ditto -
Preparation
2 pcs.
4 pcs.
1 pc.
1 pc.
1 pc.
1 pc.
Covers
Control valve
Solenoid valve
Hyd. oil tank pressurizing
0.2
0.2
0.2
1.6
0.1
0.1
70 Pump portion Refer to 33.1.6
71
72
73
74
Pump ASSY
-Hydraulic oil
-Pilot delivery oil hose
-Suction hose
Rem./Inst.
Replace
Rem./Inst.
- ditto -
1 pc.
1 pc.
1 pc.
1 pc.
After removing
counterweight
Include pressure releasing
1.2
0.2
0.1
0.2
75
76
77
78
-Suction tube (pump side)
-Main pump delivery hose
-Pump fixing bolt
Pump ASSY
Other necessary works
- ditto -
- ditto -
- ditto -
O / H
Feed
Preparation
1 pc.
3 pcs.
2 pcs.
1 pc.
1 pc.
1 pc.
Hyd. oil in pump
Hyd. oil tank pressurizing
0.2
0.2
0.2
3.0
0.1
0.1
80 Radiator portion Refer to 33.1.17
81
82
83
84
85
Radiator ASSY
-Coolant (LLC)
--Coolant density
-Reserve tank hose
-Radiator hose
Rem./Inst.
Replace
Measuring
Rem./Inst.
- ditto -
1 pc.
1 pc.
1 pc.
1 pc.
2 pcs.
1.2
0.2
(0.2)
0.1
0.2
86
87
88
-Cooler hose
-Radiator fixing bolt
-Radiator lifting or slinging
Other necessary works
- ditto -
- ditto -
- ditto -
- ditto -
- ditto -
- ditto -
2 pcs.
3 pcs.
1 pc.
1 pc.
1 set
1 pc.
Counterweight
Covers
Duct
0.2
0.1
0.1
0.4
0.2
0.1

80. 12. STANDARD MAINTENANCE TIME TABLE
12-9
12
03 Upper structure (3/4)
No. EQUIPMENT PORTION
WORK TO
BE DONE
UNIT REMARKS
UNIT:
HOUR
90 Engine (E / G) Installing portion Refer to 33.1.18
91
92
93
94
95
Engine ASSY
-Fuel hose
-Harness, connector and cable
-Engine fixing nut
-Engine slinging
Rem./Inst.
- ditto -
Rem./Inst.
- ditto -
- ditto -
1 pc.
4 pcs.
1 set
1 pc.
1 set
For injection pump - 2 pcs.
& For feed pump - 2 pcs.
1.0
0.2
0.3
0.2
0.2
Other necessary works - ditto -
- ditto -
- ditto -
- ditto -
- ditto -
1 set
1 pc.
1 set
1 pc.
1 pc.
Covers
Canopy
Control stand
Counterweight
Air cleaner
0.2
0.2
1.0
0.4
0.2
11
12
13
14
Air cleaner ASSY
•Hose (1)
•Hose (2)
•Element
- ditto -
- ditto -
- ditto -
- ditto -
1 pc.
1 pc.
1 pc.
1 pc.
Muffler
Pump
Radiator
Battery negative terminal
0.4
1.2
1.0
0.1
100 Control valve portion Refer to 33.1.7
101
102
104
105
Control valve ASSY
-Piping connector, hose
-Fixing bolt
Control valve ASSY
Rem./Inst.
- ditto -
- ditto -
O / H
1 pc.
1 set
1 set
1 pc.
Include attaching hose's
tag and plug
1.6
1.0
0.1
3.0
Other necessary works Rem./Inst.
- ditto -
1 set
1 set
Covers
Hoses
0.1
0.2
110 Slewing motor portion Refer to 33.1.20
111
112
113
114
Slewing motor ASSY
-Piping connector, hose
-Fixing bolt
Slewing motor ASSY
Rem./Inst.
- ditto -
- ditto -
O / H
1 pc.
7 pcs.
1 pc.
1 pc.
Include attaching hose's
tag and plug
1.0
0.5
0.3
3.0
Other necessary works Rem./Inst.
Feed
1 set
1 pc.
Floor plate, Covers
Hyd. oil in motor
0.2
0.1
120 Swivel joint portion Refer to 33.1.21
121
122
123
124
125
126
Swivel joint ASSY
-Under cover
-Piping connector, hose
-Stopper
-Fixing bolt
Swivel joint ASSY
Rem./Inst.
- ditto -
- ditto -
- ditto -
- ditto -
O / H
1 pc.
1 pc.
1 set
1 pc.
1 set
1 pc.
After removing slewing
motor
Include attaching hose's
tag and plug
2.5
0.1
1.5
0.1
0.2
2.0
Other necessary works Preparation 1 pc.
1 pc.
1 pc.
Removal / Inst. position.
(Secure working space.)
Canopy removal / inst.
(for easy working)
Floor plate cover (2)
removal / inst.
0.1
0.2
0.1

81. 12. STANDARD MAINTENANCE TIME TABLE
12-10
03 Upper structure(4/4)
No. EQUIPMENT PORTION
WORK TO
BE DONE
UNIT REMARKS
UNIT:
HOUR
130 Upper frame portion Refer to 33.1.22
131
132
133
134
Upper frame ASSY
-Fixing bolt
-Upper frame slinging
-Cleaning
Rem./Inst.
- ditto -
- ditto -
Cleaning
1 pc.
1 set
1 pc.
1 pc.
Apply sealant
1.0
0.3
0.3
0.2
Other necessary works Rem./Inst.
- ditto -
- ditto -
Drain / Feed
Rem./Inst.
- ditto -
1 pc.
1 pc.
1 pc.
1 pc.
1 set
1 set
Canopy
Guard (Cover, support)
Counterweight
Hydraulic oil
Swivel joint hose
Boom, Swing bracket
0.2
1.5
0.4
0.2
0.5
1.5

82. 12. STANDARD MAINTENANCE TIME TABLE
12-11
12
04 Under carriage
No. EQUIPMENT PORTION
WORK TO
BE DONE
UNIT REMARKS
UNIT:
HOUR
00 Travel portion Refer to 34.1.2
01
02
03
04
Rubber crawler
-Rubber shoe removing / inst. position.
-Tension adjusting
-Crawler shoe
Rem./Inst.
Preparation
Adjusting
Rem./Inst.
One side
One side
One side
One side
0.6
0.1
0.2
0.2
10 Upper roller portion Refer to 34.1.3
11
12
Upper roller ASSY
Upper roller
Rem./Inst.
O / H
1 pc.
1 pc.
After removing crawler
shoe
0.2
1.0
20 Lower roller portion Refer to 34.1.4
21
22
Lower roller ASSY
Lower roller
Rem./Inst.
O / H
1 pc.
1 pc.
0.2
1.0
30 Front idler & Idler adjuster portion Refer to 34.1.5 & 34.1.6
31
32
33
34
Idler & Idler adjuster ASSY
Idler & Idler adjuster ASSY
Idler ASSY
Idler adjuster ASSY
Rem./Inst.
O / H
O / H
- ditto -
One side
One side
One side
One side
After removing crawler
shoe
0.5
0.1
1.0
0.5
40 Sprocket portion Refer to 34.1.7
41 Sprocket Replace One side After removing crawler
shoe
0.5
50 Travel motor portion Refer to 34.1.8
51
52
53
54
55
56
57
Travel motor ASSY
-Motor cover
-Hydraulic connector, hose
-Motor fixing bolt
-Motor slinging
Travel motor
Travel reduction unit
Other necessary works
Rem./Inst.
- ditto -
- ditto -
- ditto -
- ditto -
O / H
- ditto -
Feed
One side
One side
One side
One side
One side
One side
One side
One side
After removing crawler
shoe
Include attaching hose's
tag and plug
Hyd. oil in motor
1.0
0.1
0.6
0.3
0.1
3.0
3.0
0.1
60 Slewing bearing portion Refer to 34.1.9
61
62
63
64
Slewing bearing ASSY
-Slewing bearing fixing bolt
-Slewing bearing
-Slewing bearing slinging
Rem./Inst.
- ditto -
Cleaning
Rem./Inst.
1 pc.
1 pc.
1 pc.
1 pc.
After removing upper
frame
Decreasing /
Replenishment
0.6
0.3
0.1
0.2

83. 12. STANDARD MAINTENANCE TIME TABLE
12-12

84. 13. MAINTENANCE STANDARD AND TEST PROCEDURE
13-1
13
Book Code No. S5PW1332E02
13. MAINTENANCE STANDARD AND
TEST PROCEDURE
TABLE OF CONTENTS
13.1 HOW TO USE MAINTENANCE STANDARDS AND PRECAUTIONS ...............13-3
13.2 PERFORMANCE INSPECTION STANDARD TABLE ........................................13-5
13.2.1 STANDARD VALUE TABLE .......................................................................13-5
13.3 MEASURING ENGINE SPEED ..........................................................................13-7
13.3.1 ENGINE SPEED MEASUREMENT ...........................................................13-7
13.4 MEASURING HYDRAULIC OIL PRESSURE ....................................................13-9
13.4.1 STANDARD FOR HYDRAULIC OIL PRESSURE MEASUREMENT ........13-9
13.4.2 PRESSURE MEASUREMENT AND ADJUSTMENT ................................13-9
13.5 MEASURING TRAVEL PERFORMANCES .......................................................13-13
13.5.1 TRAVEL .....................................................................................................13-13
13.5.2 TRAVEL DEVIATION .................................................................................13-13
13.5.3 MOVEMENT DRIFT DUE TO GRAVITY ....................................................13-14
13.5.4 DRAIN RATE OF TRAVEL MOTOR ..........................................................13-14
13.6 MEASURING SLEW PERFORMANCES ...........................................................13-16
13.6.1 SLEW TIME ...............................................................................................13-16
13.6.2 OVERRUN WHEN SLEWING STOPS ......................................................13-16
13.6.3 SLEW DRIFT DUE TO GRAVITY ..............................................................13-16
13.6.4 DRAIN RATE OF TRAVEL MOTOR ..........................................................13-17
13.7 MEASURING ATTACHMENT OPERATING PERFORMANCES .......................13-18
13.7.1 CYLINDER SPEED ....................................................................................13-18
13.7.2 GRAVITY DRIFT OF CYLINDERS ............................................................13-19
13.8 MEASURING SLEW BEARING PERFORMANCES ..........................................13-20
13.8.1 SLEW BEARING-BUCKET TIP PLAY .......................................................13-20
13.8.2 SLEW BEARING PLAY ..............................................................................13-20
13.9 MEASURING CRAWLER TENSION ..................................................................13-22
13.9.1 CRAWLER TENSION ................................................................................13-22

85. 13. MAINTENANCE STANDARD AND TEST PROCEDURE
13-2
Issue Date of Issue Applicable Machines Remarks
First Edition March, 2010
CX31B : PW14-
CX36B : PX15-
S5PW1332E01
(CASE-NA)
Revision June, 2010
CX31B : PW14-46519~
CX36B : PX15-21105~
S5PW1332E02
(CASE-NA)

86. 13. MAINTENANCE STANDARD AND TEST PROCEDURE
13-3
13
13.1 HOW TO USE MAINTENANCE STANDARDS AND PRECAUTIONS
(1) Application
1. For New Machine;
This manual is to be used to compare actual performance and functions of the machine with performance
standards.
2. At Specific Self-Inspection (as per LOCAL RULES);
The maintenance standards are criteria to determine time needed for reconditioning, adjustment and
replacement.
3. At Deterioration of Performance;
This manual provides the criteria for safe and economical judgment on whether the deterioriation of
performance on the machine is caused by a fault or normal
4. For Replacement of Major Components;
This manual is the standard to determine the time for replacement to maintain the performance of major
components such as pump, etc
(2) Terminology
1. Standard Values :
These are the standard values to assemble and regulate a new machine. Where special notes are not given,
these values are based on the machine with standard structure (machine with standard attachments and
shoes).
2. Standard Values for Repair :
These are of the values at which the reconditioning is required.
In order to ensure the performance and safety, it is strictly prohibited to use the machine with the parts and
components over the standard values.
3. Serviceability Limit :
This is of the service limit for each part and component at which reconditioning is impossible and the part must
be replaced with a new one.
All the parts and components which are estimated to exceed the serviceability limit up to the next periodic
inspection and maintenance, should be also be replaced.
Operating the machine with parts and components that have exceeded the serviceability limit is unsafe and
could result in equipment failuer and down time.
(3) Precautions for Judgment :
1. Evaluation for Measured Data :
Some variation on the measured data is inevitable, due to differences between old and new versions of the
machine and measurement conditions.
Measured data should be judged comprehensively, taking into consideration the level and extent of
measurement, rather than merely compared with standard values.
2. Determination for Reconditioning, Adjustment or Replacement :
There are two kinds of deterioration of machine performance; one is due to normal wear over time, and the
other is recoverable to the standard values with the adjustment for presssure, etc.
Therefore, the determination for reconditioning, adjustment or replacement should be conducted taking various
factors into consideration such as operating hours, working conditions and maintenance conditions of the
machine, so that the machine is able to be operated at the optimum performance level.

87. 13. MAINTENANCE STANDARD AND TEST PROCEDURE
13-4
(4) Other Precautions
1. Parts with Aging Effect :
The rubber products such as hydraulic hoses, O-rings, oil seals, etc. will deteriorate with age. It is necessary to
replace them to new ones at periodic intervals or at every overhaul.
2. Parts required Periodical Replacement :
It is recommended to designate the important hoses critical for safety as Very Important Parts (V.I.P.), and
periodically replace them with new ones.
3. Inspection & Replacement of Lubricants :
The machine operator should become familiar with the procedures and precautions for safe handling and
maintenance of the machine, including procedures for inspection and lubrication. Refer to the OPERATOR'S
MANUAL.

88. 13. MAINTENANCE STANDARD AND TEST PROCEDURE
13-5
13
13.2 PERFORMANCE INSPECTION STANDARD TABLE
13.2.1 STANDARD VALUE TABLE
*1. The pressure for slew is controlled by the relief valve attached to the slew motor.
*2. Reference value for checking of pressure
(tighten up the adjusting nut of main relief valve. Refer to item 13.4.2.1)
Model CX31B CX36B
Div. Item Unit Standard value
Repairable
value
Standard value
Repairable
value
gnirusaeM
noitidnoc
Hyd. oil cleanliness Class 8±1 — 8±1 —
Hyd. oil temperature
(Tank surface) C
( F)
50~60 (122~140) — 50~60 (122~140) —
Coolant temperature
(Radiator surface)
60~90 (140~194) — 60~90 (140~194) —
enignE
deeps
Low idle
rpm
1200±25 — 1200±25 —
High idle 2550±25 — 2550±25 —
Deceleration 1200±25 — 1200±25 —
evlavfeilerniaM
erusserp
Boom • Bucket •
Travel (LH)
P1
MPa
(psi)
23.0 (3340 ) — 23.0 (3340 ) —
Arm • Swing •
Travel (RH) •
Service
P2 23.0 (3340 ) — 23.0 (3340 ) —
Dozer • *1 Slew P3 20.0 (2900 ) — 20.0 (2900 ) —
Pilot relief valve
pressure
Pilot Line — 3.5 (508 ) — 3.5 (508 ) —
feiler)daolrevO(troP2*
erusserpevlav
Boom
Head
Rod
MPa
(psi)
27.5 (3990 ) — 27.5 (3990 ) —
Arm
Head
Rod 25.5 (3700 ) — 25.5 (3700 ) —
Bucket Head 25.5 (3700 ) — 25.5 (3700 ) —
Dozer Head 27.5 (3990 ) — 27.5 (3990 ) —
*1 Slew LH/RH 20.0 (2900 ) — 20.0 (2900 ) —
levarT
Crawler
Speed
(5 rev.)
Rubber
crawler
Low
sec.
33.2±1.6 43 33.2±1.6 43
high 18.9±0.9 24 18.9±0.9 24
Iron
crawler
Low 34.0±1.7 44 34.0±1.7 44
High 19.3±0.9 25 19.3±0.9 25
Travel
Speed
10 m
(32.8 ft)
Rubber
crawler
Low
sec.
14.5±0.7 19 14.5±0.7 19
High 8.3±0.4 11 8.3±0.4 11
Iron
crawler
Low 14.9±0.7 19 14.9±0.7 19
High 8.5±0.4 11 8.5±0.4 11
Travel deviation
mm (in)
140 (5.5 ) 280 (11.0) 140 (5.5 ) 280 (11.0)
Drift due to gravity
w / P.B.
(5 min)
0 (0) 1 (0.04) 0 (0) 1 (0.04)
PW14-46519~ PX15-21105~Applicable machines