CASE CX135SR CRAWLER EXCAVATOR Service Repair Manual

REPAIR MANUAL
CX135SR
9-40641 1 14/12/2004

Contents
INTRODUCTION
DISTRIBUTION SYSTEMS A
POWER PRODUCTION B
TRAVELLING D
BODY AND STRUCTURE E
FRAME POSITIONING F
WORKING ARM H
TOOLS AND COUPLERS J
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INTRODUCTION
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1

Contents
INTRODUCTION
Foreword ( - A.10.A.40)
CX135SR
3
Safety rules ( - A.50.A.10)
CX135SR
4
Basic instructions ( - A.90.A.05)
CX135SR
6
Torque ( - A.90.A.10)
CX135SR
7
Torque ( - A.90.A.10)
CX135SR
8
Dimension ( - A.92.A.30)
CX135SR
11
Weight ( - A.92.A.40)
CX135SR
14
Consumables ( - A.92.A.55)
CX135SR
15
Hydraulic contamination ( - A.92.A.60)
CX135SR
18
Product identication ( - A.80.A.10)
CX135SR WE
20
CX135SR NA
21
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INTRODUCTION
Foreword ( - A.10.A.40)
CX135SR
INTRODUCTION TO THE REPAIR MANUAL
This manual has been designed so that in the near future it can be made available on CD and in a database
via a computer network.
This will allow fast and targeted search and navigation between the various information modules.
Information search
CRIL03J033E01 1
This manual is organised according to types of function and information.
• The function and information types are codied and appear in parentheses after the title and separated by a dash:
(1) Function
(2) Information type.
• Only the rst letter (A) and the rst number (B) of the function need to be used for the information search.
The rst letter (A) corresponds to the sections of the repair manual.
The rst number (B) corresponds to the chapters of the repair manual.
The rst part of the (A.B) code is reected in the page numbering.
THE REST OF THE CODING IS NOT LISTED IN ALPHA-NUMERIC ORDER IN THIS MANUAL.
• You will nd a table of contents at the beginning and end of each section and chapter.
You will nd an alphabetical index at the end of each chapter.
• Therefore it is the rst part of the (A.B) coding, then the tables of contents and index (page numbers) which will allow you to
quickly nd the information you are looking for.
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INTRODUCTION
Safety rules ( - A.50.A.10)
CX135SR
CAUTION
M171C - THIS SAFETY ALERT SYMBOL INDICATES IMPORTANT SAFETY MESSAGES IN THIS MANUAL.
WHEN YOU SEE THIS SYMBOL, CAREFULLY READ THE MESSAGE THAT FOLLOWS AND BE ALERT TO
THE POSSIBILITY OF DEATH OR SERIOUS INJURY.
ATTENTION: To avoid injury, always observe the Safety Notices, CAUTION and ATTENTION, contained in this
section and throughout the manual.
Place a “Do not start the machine” warning notice on the starter switch key before all maintenance or repair
operations.
CAUTION
M489 - Read the operators manual to familiarize yourself with the correct control functions.
CAUTION
M490 - Operate the machine and equipment controls from the seat position only. Any other method could
result in serious injury.
CAUTION
M265A - A frequent cause of personal injury or death is persons falling off and being run over. Do not
permit anyone to ride on the machine.
CAUTION
SB055 - Before starting engine, study operators manual safety messages. Read all safety signs on machine.
Clear the area of other persons. Learn and practice safe use of controls before operation. It is your
responsibility to understand and follow manufacturers instructions on machine operation, service, and to
observe pertinent laws and regulation. Operators and service manuals can be obtained from your dealer.
ATTENTION: You risk injury if you wear loose clothing or if you do not use safety equipment for your work. Always
wear clothes which are unlikely to become caught in the machinery. Other safety equipment may be required, in
particular: hard hat, safety boots, ear protectors, safety goggles or mask, thick gloves and reective clothing.
CAUTION
M124A - Rotating machine parts, stay clear, keep shields installed to help protect from clothing
entanglement and injury. Wear close-tted clothing.
CAUTION
SB071 - Rotating fan and belts: Contact will cause injury. Keep clear.
ATTENTION: Follow the procedures exactly when carrying out checks or inspections on the vehicle’s hydraulic
systems. DO NOT CHANGE the procedures.
ATTENTION: Before running the hydraulic cylinders in this vehicle through the cycles necessary for checking their
functioning or for draining a circuit, warn people nearby to move away.
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INTRODUCTION
CAUTION
SM121A - Always wear heat protective gloves to prevent burning your hands when handling heated parts.
CAUTION
M132B - Lower or block elevated implements and other attachments before servicing or when leaving the
equipment.
CAUTION
R149C - Hydraulic oil or diesel fuel leaking under pressure can penetrate the skin and cause infection
or other injury. To Prevent Personal Injury: Relieve all pressure, before disconnecting uid lines or
performing work on the hydraulic system. Before applying pressure, make sure all connections are tight
and components are in good condition. Never use your hand to check for suspected leaks under pressure.
Use a piece of cardboard or wood for this purpose. If injured by leaking uid, see your doctor immediately.
ATTENTION: To remove a hardened pin, such as a pivot pin, or a hardened shaft, use a soft-headed hammer
(brass or bronze) or a brass or bronze peg and a steel-headed hammer.
CAUTION
M428 - Always wear safety glasses when using a drill, hammer, saw, or other tools that may cause chips
to y.
ATTENTION: Use suitable servicing jacks or a chain hoist for raising the wheels or tracks. Always chock the
vehicle in place with suitable safety supports.
ATTENTION: When carrying out maintenance or repair operations on the vehicle, keep the workshop oor, the
driving position and the steps free from oil, water, grease, tools, etc... Use an oil absorbent material and/or workshop
cloths as necessary. Always use sound methods.
ATTENTION: Some parts of this vehicle are very heavy. Use lifting devices or additional assistance recommended
in the Operator’s Manual.
CAUTION
M532 - Do not operate the engine in a closed building. Proper ventilation is required under all circumstances.
CAUTION
M503 - When the battery electrolyte is frozen, the battery can explode if (1), you try to charge the battery, or
(2), you try to jump start and run the engine. To prevent the battery electrolyte from freezing, try to keep the
battery at full charge. If you do not follow these instructions, you or others in the area can be injured.
CAUTION
M244A - BATTERIES CONTAIN ACID AND EXPLOSIVE GAS. EXPLOSION CAN RESULT FROM SPARKS,
FLAMES, OR WRONG CABLE CONNECTIONS. TO CONNECT JUMPER CABLES OR CHARGER, SEE
MANUAL(S) FOR THE CORRECT PROCEDURE. FAILURE TO FOLLOW THE ABOVE INSTRUCTIONS CAN
CAUSE SERIOUS PERSONAL INJURY OR DEATH.
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INTRODUCTION
Basic instructions ( - A.90.A.05)
CX135SR
GENERAL
Cleaning
Clean all metal parts except the bearings with white spirit or steam. Do not use caustic soda for steam cleaning.
After each cleaning, dry and oil all parts. Clean the oil ducts with compressed air. Clean the bearings with parafn,
then dry them completely and lubricate them.
Inspection
Check all the parts when they are disassembled. Replace all parts that show signs of wear or damage. Supercial
scratches and grooves can be removed with an oil stone or with a cloth dipped in red oxide. A complete visual
inspection is necessary to detect wear and pitting, and replacing parts as soon as it becomes necessary will help to
avoid premature breakdowns.
Bearings
Check that the bearings turn freely. Replace them if their adjustment is too free or if their functioning is irregular.
Wash the bearings with a good solvent or parafn and allow them to air dry.
DO NOT DRY THE BEARINGS WITH COMPRESSED AIR.
Needle bearings
Before pushing needle bearings into a cylinder bore, always remove all metallic projections from the bore and its
edges. Before pushing in bearings with a press, coat the inside and edges of the bearings with Vaseline.
Gears
Check all the gears and ensure that they do not show any signs of wear or damage. Replace the worn out
or damaged gears.
Gaskets, O-rings and at seals
Always install new gaskets, O-rings, and at seals. Coat the gaskets and O-rings with Vaseline.
Shaft
Check all shafts showing wear or damage. Enusre that the surface of a shaft carrying a bearing or gasket is
not damaged.
Spare parts
Always use CASE spare parts. To order these, refer to the Spare Parts Catalogue and indicate the correct reference
number of the CASE spare parts.
Breakdowns caused by the use of parts other than CASE spare parts are not covered by the warranty.
Lubrication
Use only the oils and lubricants specied in the Operator’s Manual or the Service Manual.
Breakdowns caused by the use of oils and lubricants not specically listed are not covered by the warranty.
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INTRODUCTION
Torque ( - A.90.A.10)
CX135SR
STANDARD TIGHTENING TORQUE
Order of tightening nuts and cap screws.
Tighten alternately so that torque remains uniform. Cap screws which are tted with Loctite (look for traces of a
white residue on the thread after removal), must be cleaned with a thin oil or a suitable solvent, then dried.
Add two or three drops of Loctite to the cap screw thread, then t the screw.
CRIL03H012E01 1
The numbers in the diagrams represent the order of tightening.
Tightening torque
Where there are no special instructions, tighten cap nuts screws to the torques given in the table below.
Standard torque setting table.
Designation of cap screws
(dimensions)
M6 M8 M10 M12 M14 M16 M18 M20
Spanner in mm 10 13 17 19 22 24 27 30Cap screw
Torque setting in
Nm
6.9 19.6 39.2 58.8 98.1 157.2 196 274
Wrench in mm 5 6 8 10 12 14 14 17Socket head
screw Torque setting in
Nm
8.8 21.6 42.1 78.4 117.6 176.4 245 343
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INTRODUCTION
Torque ( - A.90.A.10)
CX135SR
SPECIAL TORQUE SETTINGS
No. Component Screw
diameter
Wrench
in mm
Tightening torque
(1)* Travel motor and reduction gear assembly M16 24 267 - 312 Nm
(2)* Sprocket M16 24 267 - 312 Nm
(3)* Idler wheel M16 24 267 - 312 Nm
(4)* Upper roller M16 24 267 - 312 Nm
(5)* Lower roller M16 24 267 - 312 Nm
(6) Shoe M16 24 267 - 312 Nm
(7) Counterweight M30 46 1060 - 1235 Nm
(8) Turntable (chassis) M16 24 267 - 312 Nm
(9) Turntable (upperstructure) M16 24 267 - 312 Nm
(10)* Swing motor and reduction gear assembly M16 24 267 - 312 Nm
(11)* Engine M16 24 265 - 313 Nm
(12)* Engine mounts M10 17 64 - 74 Nm
(13) Radiator M12 19 88 - 111 Nm
M10 17 64 - 74 Nm(14)* Hydraulic pump
M12 Hex 88 - 111 Nm
(15)* Hydraulic reservoir M16 24 232 - 276 Nm
(16)* Fuel tank M16 24 232 - 276 Nm
(17)* Control valve M16 24 267 - 312 Nm
(18)* Hydraulic swivel M12 19 109 - 127 Nm
(19) Cab M16 24 78 - 80 Nm
(20) Batteries M10 17 20 - 29 Nm
Use Loctite 262 or an equivalent on mounting screws for those components marked with an asterisk (*).
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INTRODUCTION
CRIL03L001H01 1
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INTRODUCTION
CRIL03L002H01 2
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INTRODUCTION
Dimension ( - A.92.A.30)
CX135SR
Machine tted with monoblock boom
CRIL03L003G01 1
Dippers Dippers DippersItem
2.39 m 2.85 m
Item
2.39 m 2.85 m
Item
2.39 m 2.85 m
(A) 2.75 m 2.60 m (B) 2.75 m (C) 7.24 m 7.23 m
(D) 1.75 m (E) 2.41 m (F) 0.88 m
(G) 1.48 m (H) 3.51 m (I) 2.78 m
(J) 1.99 m (K) 0.60 m (L) 2.59 m
(M) 0.43 m (N) 5.49 m 5.46 m (P) 1.24 m
(Q) 1.17 m
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INTRODUCTION
Machine tted with monoblock boom and dozer blade
CRIL03L004G01 2
Dippers Dippers DippersItem
2.39 m 2.85 m
Item
2.39 m 2.85 m
Item
2.39 m 2.85 m
(A) 2.75 m 2.60 m (B) 2.75 m (C) 7.75 m 7.72 m
(D) 2.26 m (E) 2.41 m (F) 0.88 m
(G) 1.48 m (H) 3.51 m (I) 2.78 m
(J) 1.99 m (K) 0.60 m (L) 2.59 m
(M) 0.43 m (N) 5.49 m 5.46 m (P) 1.24 m
(Q) 1.17 m (R) 2.49 m (S) 0.57 m
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INTRODUCTION
Machine tted with backhoe-offset boom and dozer blade
CRIL03L005G01 3
Dippers 2.11 m
(A1) 3.54 m (A2) 2.87 m (B) 2.75 m (C) 7.47 m
(D) 2.26 m (E) 2.41 m (F) 0.88 m (G) 1.48 m
(H) 3.51 m (I) 2.78 m (J) 1.99 m (K) 0.60 m
(L) 2.59 m (M) 0.43 m (N1) 5.27 m (N2) 5.20 m
(P) 1.24 m (Q) 1.17 m (R) 2.49 m (S) 0.57 m
(T) 1.15 m (U) 1.18 m (V) 0.21 m
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INTRODUCTION
Weight ( - A.92.A.40)
CX135SR
Weight of machine
Conguration Weight Ground
pressure
With 600 mm track pads, monobloc boom, 2.40 m dipper, 380 kg backhoe bucket,
operator and full fuel tank
13200 kg 0.36 bar
With 600 mm track pads, monobloc boom, 2.40 m dipper, 380 kg backhoe bucket,
operator and full fuel tank
14 100 kg 0.38 bar
With 600 mm track pads, backhoe-offset boom, 2.10 m dipper, 380 kg backhoe
bucket, dozer blade, operator and full fuel tank
14 200 kg 0.38 bar
Weight of components
Components Mono boom Mono boom
dozer blade
Offset
backhoe
boom dozer
blade
Engine 363 kg
Hydraulic pump 91 kg 94 kg
Attachment control valve 140 kg 180 kg
Swing motor and reduction gear assembly 103 kg
Travel motor and reduction gear assembly 144 kg
Boom cylinder 121 kg
Dipper cylinder 157 kg
Bucket cylinder 93 kg
Dozer blade cylinder 50 kg
Offset backhoe boom cylinder 71 kg
Counterweight 3330 kg 2770 kg 2780 kg
Cab kg
Turntable 177 kg
Upperstructure assembly 8990 kg 8490 kg 9150 kg
Hydraulic swivel 26 kg 56 kg
Undercarriage assembly 4170 kg 4970 kg
Machine without attachment 11040 kg 11340 kg 11350 kg
Attachment 2140 kg 2770 kg
Boom assembly 1210 kg 1900 kg
Dipper assembly 550 kg 520 kg
Dozer blade 680 kg
Radiator and oil-cooler assembly 55 kg
Fuel tank 62 kg
Hydraulic reservoir 88 kg
Idler wheel 61 kg
Upper roller 16 kg
Lower roller 20 kg
Tension shock absorber 77 kg
Track 500 mm 711 kg
Track 600 mm 793 kg
Track 700 mm 943 kg
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INTRODUCTION
Consumables ( - A.92.A.55)
CX135SR
FLUIDS AND LUBRICANTS
Lubricants must have the correct properties for each application.
ATTENTION: You must respect the operating conditions for the different ingredients.
Hydraulic uid
CASE AKCELA hydraulic uid is specially designed for high pressure applications and for the CASE hydraulic
system.
The type of uid to be used depends on the ambient temperature.
• TEMPERATE COUNTRIES - 20 °C to + 40 °C
CASE AKCELA HYDRAULIC EXCAVATOR FLUID
(MS 1230. ISO VG 46. DIN 51524 PART 2 HV)
• HOT COUNTRIES 0 °C to + 60 °C
CASE AKCELA HYDRAULIC EXCAVATOR FLUID "HOT CLIMATE"
• COLD COUNTRIES - 40 °C to + 20 °C
CASE AKCELA HYDRAULIC EXCAVATOR FLUID "COLD CLIMATE"
• BIODEGRADABLE FLUID - 30 - +40 °C
This yellow uid can be mixed with standard uid.
If this liquid is used, it is advisable to completely drain the hydraulic circuit .
CASE AKCELA HYDRAULIC EXCAVATORS FLUID BIO
Transmission component oil
Extreme pressure oil used in transmission components inside sealed housings.
CASE AKCELA 135H EP GEAR LUBE SAE 80W-90
(SAE 80W-90. API GL 5. MIL-L-2105 D. MS 1316. ZF TE-ML 05A)
Grease
"Extreme Pressure" multi-purpose grease
• CASE AKCELA MOLY GREASE 241H EP-M (251H EP-M NLGI2)
with lithium and molybdenum bisulphide soap.
• CASE AKCELA 251H EP MULTI-PURPOSE GREASE (251H EP. NLGI 2)
with lithium and calcium soap.
• CASE AKCELA PREMIUM GREASE EP-2 (NLGI 2)
with lithium soap.
HYDRAULIC HAMMERS
Use only CASE AKCELA PREMIUM GREASE EP-2 (NLGI 2) grease with lithium soap.
Engine oil
CASE AKCELA NO. 1 ENGINE OIL is recommended for the engine.
This oil provides correct lubrication for your engine in all working conditions.
If CASE AKCELA NO. 1 ENGINE OIL Multigrade cannot be obtained, use oil corresponding to one of the following
categories: ACEA E5. MS 1121. API CH-4.
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INTRODUCTION
CRIL03H015F01 1
OIL USE RANGE
1. Mineral-based
2. Semi-synthetic based
3. Synthetic based
Fuel
Use fuel that is compliant with ASTM (American Society for Testing and Materials) standard D975.
• Use Grade No 2 fuel. The use of other types of fuel can result in a loss of power and may cause high fuel
consumption.
• When the temperature is very cold, the use of a mixture of No 1 and No 2 fuel is permitted. See your fuel
vendor for winter fuel requirements in your area.
• If the temperature falls below the fuel cloud point (point at which wax begins to form) the wax crystals will
cause power loss or will prevent the engine from starting.
IMPORTANT: In cold weather, ll the fuel tank at the end of the day’s work to prevent condensation from forming.
FUEL STORAGE
Long storage can lead to the accumulation of impurities and condensation in the fuel tank. Engine trouble can
often be traced to the presence of water in the fuel.
The storage tank must be placed outside and the temperature of the fuel should be kept as low as possible.
Drain off water and impurities regularly.
Anti-freeze/Anti-corrosion
Use anti-freeze in all seasons to protect the cooling system from corrosion and all risk of freezing.
CASE AKCELA PREMIUM ANTI-FREEZE LRD -25°C
For environments with temperatures falling to - 25 °C, do not mix with water.
CASE AKCELA PREMIUM ANTI-FREEZE (MS 1710)
For environments with temperatures falling to - 38 °C, use with water in a proportion of 50/50.
IMPORTANT: Do not mix products of a different origin or a different make.
The system must be topped up with the same product.
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INTRODUCTION
Environment
Before carrying out any servicing operation on this machine and before disposing of used uids or lubricants, always
think of the environment. Never throw uid or oil on the ground and never keep them in leaking receptacles.
Contact your local ecological recycling centre for information on appropriate ways to dispose of these substances.
Components made from plastic or resin
When cleaning plastic parts, (the console, the instrument panel, the indicators etc...) avoid using petrol, parafn,
paint solvents etc.
Use only water, soap and a soft cloth. The use of petrol, parafn, paint solvents, etc, will cause discoloration,
cracking or deformation of these components.
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INTRODUCTION
Hydraulic contamination ( - A.92.A.60)
CX135SR
CLEANING THE HYDRAULIC SYSTEM
General
Contamination of the hydraulic system is a major cause of incorrect operation of hydraulic components.
Contamination is indicated by the presence of foreign particles in the hydraulic uid.
Contamination of the hydraulic system can occur in any of the following situations:
1. When draining the uid or disconnecting a hydraulic line.
2. When disassembling a component.
3. Due to normal component wear.
4. Due to damaged or worn seals.
5. Due to a damaged component in the hydraulic system.
All hydraulic systems can function even if they are slightly contaminated. The components of the hydraulic system
are designed to support slight contamination. Any increase in the degree of contamination can cause serious
problems in the hydraulic system.
The following is an incomplete list of these problems:
1. The cylinder rod seals leak.
2. Control valve spools do not return to the neutral position.
3. Control valve spools do not move easily.
4. Hydraulic uid is too hot.
5. Hydraulic components wear quickly.
6. Safety valves or check valves do not close due to contamination.
7. Repaired components break down soon.
8. Cycles are slow; the machine does not have enough power.
If any of the above situations occurs, it is an indication of excessive contamination of the hydraulic system.
To eliminate contamination, effectively, refer to PRIMARY HYDRAULIC POWER SYSTEM - Decontaminating
(A.10.A - F.30.A.60).
Types of contamination
Contamination exists basically in two forms: microscopic or visible.
We speak of microscopic contamination when very small particles of foreign bodies are in suspension in the
hydraulic uid. These particles are too small to be seen or felt. Microscopic contamination can be detected by
identifying the problems relating to microscopic contamination or by laboratory tests.
The following are a few examples of problems caused by microscopic contamination:
• The cylinder rod seals leak.
• Control valve spools do not return to the neutral position.
• The operating temperature of the hydraulic system is too high.
• Components wear quickly.
We speak of visible contamination when the presence of foreign bodies can be detected visually, by touch or by
smell. Visible contamination can cause the sudden failure of a component.
The following are a few examples of problems caused by visible contamination:
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INTRODUCTION
• The uid contains metal or other fragments.
• The uid contains air. The uid is dark and thick.
• There is a smell of burning in the uid. The uid contains water.
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INTRODUCTION
CX135SR WE
NOTE: For all parts orders, requests for information or assistance, always specify the type and the serial number of
the machine to your CASE dealer.
Fill out the following lines with the required information: type, year of manufacture, serial number of the machine
(manufacturer’s plate), mark, type and serial number of the engine, and serial numbers of hydraulic components.
Manufacturer’s plate
CRIL03H001E01 1
(1) TYPE (2) YEAR OF MANUFACTURE (3) SERIAL NUMBER
Engine
MAKE TYPE SERIAL NUMBER
Serial numbers of hydraulic components
COMPONENTS SERIAL NUMBER
Hydraulic pump
Swing reduction gear
Travel reduction gear
Travel control valve
Attachment control valve
Swing control valve
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INTRODUCTION
CX135SR NA
NOTE: For all parts orders, requests for information or assistance, always specify the type and the serial number of
the machine to your CASE dealer.
Fill out the following lines with the required information: type, year of manufacture, serial number of the machine
(manufacturer’s plate), make, type and serial number of the engine and serial numbers of hydraulic components.
Manufacturer’s plate
CRIL03I175E01 1
(1)TYPE (2)YEAR OF MANUFACTURE (3)SERIAL NUMBER
Engine
MAKE TYPE SERIAL NUMBER
Serial numbers of hydraulic components
COMPONENTS SERIAL NUMBER
Hydraulic pump
Swing reduction gear
Travel reduction gear
Travel control valve
Attachment control valve
Swing control valve
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INTRODUCTION
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REPAIR MANUAL
DISTRIBUTION SYSTEMS
CX135SR
27049 1 14/12/2004
A

Contents
DISTRIBUTION SYSTEMS - A
PRIMARY HYDRAULIC POWER SYSTEM
CX135SR
A.10.A
SECONDARY HYDRAULIC POWER SYSTEM
CX135SR
A.12.A
HYDRAULIC COMMAND SYSTEM
CX135SR
A.14.A
ELECTRICAL POWER SYSTEM
CX135SR
A.30.A
LIGHTING SYSTEM
CX135SR
A.40.A
27049 1 14/12/2004
A

PRIMARY HYDRAULIC POWER SYSTEM - 10.A
CX135SR
27050 1 14/12/2004
A.10.A / 1

Contents
PRIMARY HYDRAULIC POWER SYSTEM - 10.A
TECHNICAL DATA
PRIMARY HYDRAULIC POWER SYSTEM - General specication (A.10.A - D.40.A.10)
CX135SR
5
PRIMARY HYDRAULIC POWER SYSTEM - General specication (A.10.A - D.40.A.10)
CX135SR
7
PRIMARY HYDRAULIC POWER SYSTEM - Special tools (A.10.A - D.20.A.40)
CX135SR WE
9
PRIMARY HYDRAULIC POWER SYSTEM - Special tools (A.10.A - D.20.A.40)
CX135SR NA
11
PRIMARY HYDRAULIC POWER SYSTEM - Seed rates (A.10.A - D.50.A.60)
CX135SR
13
Hydraulic pump
Hydraulic pump - Special tools (A.10.A.20 - D.20.A.40)
CX135SR
13
Hydraulic pump - Service limits (A.10.A.20 - D.20.A.20)
CX135SR
14
FUNCTIONAL DATA
PRIMARY HYDRAULIC POWER SYSTEM - Static description (A.10.A - C.30.A.20)
CX135SR
15
PRIMARY HYDRAULIC POWER SYSTEM - Dynamic description (A.10.A - C.30.A.10)
CX135SR
16
Stack valve
Stack valve - External view (A.10.A.18 - C.10.A.40)
CX135SR
19
Stack valve - Sectional view (A.10.A.18 - C.10.A.30)
CX135SR
21
Stack valve Inlet section - Sectional view (A.10.A.18.10 - C.10.A.30)
CX135SR
24
Stack valve Outlet section - Sectional view (A.10.A.18.20 - C.10.A.30)
CX135SR
25
Hydraulic pump
Hydraulic pump - Sectional view (A.10.A.20 - C.10.A.30)
CX135SR
27
Hydraulic pump - Exploded view (A.10.A.20 - C.10.A.20)
CX135SR
30
Sensing system
Sensing system Temperature sensor - Electronic schema (A.10.A.95.90 - C.20.A.50)
CX135SR
32
SERVICE
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A.10.A / 2

PRIMARY HYDRAULIC POWER SYSTEM - Warm up (A.10.A - F.35.A.40)
CX135SR
33
PRIMARY HYDRAULIC POWER SYSTEM - Depressurising (A.10.A - F.35.A.51)
CX135SR
34
PRIMARY HYDRAULIC POWER SYSTEM - Drain uid (A.10.A - F.35.A.20)
CX135SR
35
PRIMARY HYDRAULIC POWER SYSTEM - Bleed (A.10.A - F.35.A.25)
CX135SR
36
PRIMARY HYDRAULIC POWER SYSTEM - Pressure test (A.10.A - F.40.A.30)
CX135SR
37
PRIMARY HYDRAULIC POWER SYSTEM - Decontaminating (A.10.A - F.30.A.60)
CX135SR
39
Stack valve
Stack valve - Remove (A.10.A.18 - F.10.A.10)
CX135SR
41
Stack valve Outlet section - Disassemble (A.10.A.18.20 - F.10.A.25)
CX135SR
42
Stack valve Inlet section - Disassemble (A.10.A.18.10 - F.10.A.25)
CX135SR
44
Stack valve - Visual inspection (A.10.A.18 - F.40.A.10)
CX135SR
45
Stack valve Inlet section - Assemble (A.10.A.18.10 - F.10.A.20)
CX135SR
46
Stack valve Outlet section - Assemble (A.10.A.18.20 - F.10.A.20)
CX135SR
47
Stack valve - Install (A.10.A.18 - F.10.A.15)
CX135SR
49
Relief valve
Relief valve - Disassemble (A.10.A.16 - F.10.A.25)
CX135SR
50
Relief valve - Assemble (A.10.A.16 - F.10.A.20)
CX135SR
51
Relief valve - Pressure setting (A.10.A.16 - F.45.A.70)
CX135SR
52
Hydraulic pump
Hydraulic pump - Remove (A.10.A.20 - F.10.A.10)
CX135SR
53
Hydraulic pump - Disassemble (A.10.A.20 - F.10.A.25)
CX135SR
54
Hydraulic pump - Assemble (A.10.A.20 - F.10.A.20)
CX135SR
58
Hydraulic pump - Install (A.10.A.20 - F.10.A.15)
CX135SR
62
Hydraulic pump - Bleed (A.10.A.20 - F.35.A.25)
CX135SR
63
Hydraulic pump - Pressure test (A.10.A.20 - F.40.A.30)
CX135SR
64
Compensator
Compensator - Disassemble (A.10.A.23 - F.10.A.25)
CX135SR
65
Compensator - Assemble (A.10.A.23 - F.10.A.20)
CX135SR
67
Reservoir
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Reservoir - Remove (A.10.A.22 - F.10.A.10)
CX135SR
69
Reservoir - Install (A.10.A.22 - F.10.A.15)
CX135SR
71
Oil lter
Oil lter - Remove (A.10.A.24 - F.10.A.10)
CX135SR
72
Oil lter - Install (A.10.A.24 - F.10.A.15)
CX135SR
73
Sensing system
Sensing system Temperature sensor - Electrical test (A.10.A.95.90 - F.40.A.50)
CX135SR
74
DIAGNOSTIC
PRIMARY HYDRAULIC POWER SYSTEM - Troubleshooting (A.10.A - G.40.A.10)
CX135SR
75
Stack valve
Stack valve - Troubleshooting (A.10.A.18 - G.40.A.10)
CX135SR
75
Relief valve
Relief valve - Troubleshooting (A.10.A.16 - G.40.A.10)
CX135SR
76
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DISTRIBUTION SYSTEMS - PRIMARY HYDRAULIC POWER SYSTEM
PRIMARY HYDRAULIC POWER SYSTEM - General specication
(A.10.A - D.40.A.10)
CX135SR
Capacities
Total hydraulic circuit 125 L
Hydraulic uid reservoir 81 L
Coolant only 7 L
Main hydraulic pump
Variable ow twin pump, with axial pistons.
Maximum ow 2 x 117.2 L/min
Displacement 2 x 54.5 cm³
Hydraulic control pump
Fixed ow pump
Maximum ow 21.5 L/min
Displacement 10 cm³
Secondary hydraulic pump
Fixed ow pump
Maximum ow 52 L/min
Displacement 24.9 cm³
Calibration pressure
Pilot circuit main relief valve (± 1 bar) 39 bar
Main relief valve (standard) (± 3 bar) 343 bar
Main relief valve (option) (± 3 bar) 206 bar
Secondary relief valve (boom, dipper and bucket) ( ± 5 bar) 378 bar
Secondary relief valve (swing) (± 4 bar) 280 bar
Secondary relief valve (travel) (± 5 bar) 343 bar
Secondary relief valve (dozer blade) (± 5 bar) 235 bar
Secondary relief valve (backhoe offset) (± 5 bar) 235 bar
Secondary relief valve (boom and dipper) (± 5 bar) 378 bar
Boom cylinder
Barrel diameter 105 mm
Rod diameter 75 mm
Stroke 1120 mm
Dipper cylinder
Rod diameter 80 mm
Stroke 1108 mm
Bucket cylinder
Rod diameter 65 mm
Stroke 881 mm
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Dozer blade cylinder
Rod diameter 70 mm
Stroke 240 mm
Backhoe-offset cylinder
Rod diameter 65 mm
Stroke 863 mm
Cylinder leakage - attachment lowering (without load)
Boom cylinders (rod retraction) 3 mm/ 5 mn
Dipper cylinder (rod extension) 5 mm/ 5 mn
Bucket cylinder (rod extension) 7 mm/ 5 mn
Full (at the end of the attachment) 200 mm/ 5 mn
Control valve
Five-section control valve for dipper, boom acceleration, swing, option and right travel.
Four-section control valve for dipper acceleration, bucket, boom and left travel.
Two-section control valve for dozer blade and backhoe-offset boom.
Load holding relief valve for boom and dipper.
Swing motor
Fixed ow motor with axial pistons.
Automatic disk brakes.
Chassis upperstructure swing speed 13.4 RPM
Displacement 64 cm³
Working ow 100 L/min
Reduction ratio 19.2
Braking torque 284.7 Nm
Minimum brake release pressure 23 bar
Acceptable motor leakage xx L/min
Travel motor
Two-speed motor with axial pistons.
Automatic disk brake.
Slow speed 3.2 km/h
High speed 5 km/h
Gradeability 70 % (35°)
Tractive effort 11 000 daN
Displacement 52.7/34 cm³
Working ow 117.2 L/min
Reduction ratio 72
Braking torque (excluding reduction gear) 145 Nm
Acceptable motor leakage xx L/min
Attachment
Breakout force 8970 daN
Breakout force (dipper 2.11 m - backhoe-offset) 5950 daN
Breakout force (dipper 2.39 m) 6390 daN
Breakout force (dipper 2.85 m) 5960 daN
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PRIMARY HYDRAULIC POWER SYSTEM - General specication
(A.10.A - D.40.A.10)
CX135SR
CRIL03K035H01 1
Location of secondary relief valves
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Calibration pressure
Item Description Secondary
relief
pressure
setting
Nominal
pressure
read on the
machine
Pressure
with one
turn of the
screw
(or for a
shim*)
For pressure setting
procedures,
refer to:
Main pump negative pressure 27 bar Hydraulic pump - Pressure
test (A.10.A.20 - F.40.A.30)
Pilot accumulator check Accumulator - Check
(A.14.A.30 - F.40.A.11)
(A) Main relief valve(standard
pressure)
343 bar to
60 L/min
346 bar 178 bar Relief valve - Pressure setting
(A.10.A.16 - F.45.A.70)
(B) Boom raising port secondary
relief
378 bar to
20 L/min
391 bar 212 bar Relief valve - Pressure test
(H.20.B.16 - F.40.A.30)
(B1)
(B2)
Boom cylinder safety valves
secondary relief
378 bar to
20 L/min
391 bar - Safety valve - Pressure
setting (H.20.B.15 - F.45.A.70)
(C) Boom lowering port secondary
relief
378 bar to
20 L/min
(H.20.B.16 - F.40.A.30)
(D) Dipper out port secondary relief 378 bar to
20 L/min
(H.25.B.16 - F.40.A.30)
(D1) Dipper cylinder safety valves
secondary relief
378 bar to
20 L/min
395 bar - Safety valve - Pressure
setting (H.25.B.15 - F.45.A.70)
(E) Dipper in port secondary relief 378 bar to
20 L/min
(H.25.B.16 - F.40.A.30)
(F) Bucket open port secondary
relief
378 bar to
20 L/min
(H.30.C.16 - F.40.A.30)
(G) Bucket close port secondary
relief
378 bar to
20 L/min
(H.30.C.16 - F.40.A.30)
(H) Pilot circuit main relief 42 bar 39 bar 20 bar Relief valve - Pressure test
(A.14.A.16 - F.40.A.30)
(I) RH swing port secondary relief 280 bar to
78 L/min
(F.40.C.16 - F.40.A.30)
(J) LH swing port secondary relief 280 bar to
78 L/min
(F.40.C.16 - F.40.A.30)
(K) Forward travel secondary relief 348 bar 348 bar 10 bar* Relief valve - Pressure test
(F.10.F.16 - F.40.A.30)
(L) Reverse travel secondary relief 348 bar 348 bar 10 bar* Relief valve - Pressure test
(F.10.F.16 - F.40.A.30)
(O) Backhoe-offset to the right
secondary relief
275 bar to
20 L/min
(H.20.D.16 - F.40.A.30)
(P) Backhoe-offset to the left
secondary relief
216 bar to
20 L/min
(H.20.D.16 - F.40.A.30)
(S) Dozer blade and backhoe-offset
main relief
206 bar to
54 L/min
(A.12.A.16 - F.40.A.30)
(T) Dozer blade lowering secondary
relief
235 bar to
20 L/min
(J.40.F.16 - F.40.A.30)
(U) Dozer blade raising secondary
relief
235 bar to
20 L/min
(J.40.F.16 - F.40.A.30)
(W1) Option circuit secondary relief As recom-
mended by
manufac-
turer
212 bar
(W2) Option circuit secondary relief As recom-
mended by
manufac-
turer
212 bar
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PRIMARY HYDRAULIC POWER SYSTEM - Special tools (A.10.A -
D.20.A.40)
CX135SR WE
Digital tester assembly
CRIL03G253E00 1
DESCRIPTION QUANTITY CODE
Tester assembly for Multi-Handy 2051 - E54444449
Multi-Handy 2051 tester 1 D5444448
Pressure sensor (0 bar to 600 bar) 2 V5344460
Straight union for sensor 2 W5344461
Elbow union for sensor 1 X5344462
Engine speed sensor 1 Z5344463
Cable (length 5 m) 3 E3144472
Electric plug 220 volts 50 Hz 1 D5344467
Cigarette lighter cable 1 E5344468
Instruction Sheet 1 -
Carrying case 1 N5344476
The Multi-Handy tester is used to:
Check pressure (two pressure scales)
Check differential pressure (delta P)
Check temperature
Check engine rpm
Check the ow
600 litre turbine
CRIL03G254E00 2
DESCRIPTION QUANTITY CODE
Turbine 1 RE3 Z5344486
Plates M45x2 2 D4323359
Flange diameter 24 mm 2 B8230183
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Semi-ange 4 D4024267
Screw M12 length 75 mm 8 Z1232983
Union assembly for testing pressure and ow
CRIL03G258E00 3
DESCRIPTION CODE
Union assembly for testing pressure and ow CAS30038
Set of high pressure hoses
CRIL03G259E00 4
DESCRIPTION CODE
Set of high pressure hoses CAS30036
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PRIMARY HYDRAULIC POWER SYSTEM - Special tools (A.10.A -
D.20.A.40)
CX135SR NA
Digital tester assembly for pressure measurement
CRIL03G255E00 1
DESCRIPTION CODE
Digital tester assembly for pressure measurement OEM1652
Digital tester assembly for pressure and temperature measurement
CRIL03G256E00 2
DESCRIPTION CODE
Digital tester assembly for pressure and temperature measurement OEM1653
Flowmeter
CRIL03G257E00 3
DESCRIPTION CODE
Flowmeter for a ow of < 75 GPM CAS10280
Flowmeter for a ow of > 75 GPM OEM1240
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Union assembly for testing pressure and ow
CRIL03G258E00 4
DESCRIPTION CODE
Union assembly for testing pressure and ow CAS40023A + CAS40035
Set of high pressure hoses
CRIL03G259E00 5
DESCRIPTION CODE
Set of high pressure hoses CAS30036
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PRIMARY HYDRAULIC POWER SYSTEM - Seed rates (A.10.A -
D.50.A.60)
CX135SR
CRIL03K87F01 1
Main pump ow curve and pressure
• Pump body ow and accumulated pressures for a new pump
• Pressure (P) is equal to two accumulated pressures in the two pump bodies.
• Curve (Pi) gives the main pump ow (1 body) compared with the negative pressure (Pi).
• Curve (q) gives the minimum ow for a pump body (accumulated pressures) (Pi).
Hydraulic pump - Special tools (A.10.A.20 - D.20.A.40)
CX135SR
CRIL03G165E01a 1
Pump bracket (shaft side)
Used to secure the pump in the upright position during pump removal and assembly. To be made locally.
(A) Diameter 150 mm
(B) Diameter 50 - 80 mm
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(C) 65 mm
Hydraulic pump - Service limits (A.10.A.20 - D.20.A.20)
CX135SR
Description of parts Standard
dimension
Wear limit Action
Clearance between the piston and
the cylinder bore
0.039 mm 0.067 mm Replace the cylinder assembly
Play between the piston, shoe and
guide
0.1 mm 0.3 mm Replace the piston or the piston
wear plate assembly
Shoe thickness 4.9 mm 4.7 mm Replace the pistons
Free height of cylinder block springs 41.1 mm 40.3 mm Replace the springs
Height of the thrust plate and the
spherical bushing
12 mm 11 mm Replace the thrust plate and the
spherical bushing
Overhaul dimension of the cylinder block, the valve plate and the swash plate
Standard roughness
after grinding
0.1 Ra or lessValve plate (sliding contact surface)
Swash plate (at the thrust plate)
Cylinder block (sliding contact surface)
Irregularity of each surface
Roughness of the
surface at the wear limit
0.8 Ra
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PRIMARY HYDRAULIC POWER SYSTEM - Static description (A.10.A
- C.30.A.20)
CX135SR
The hydraulic diagram is available as a poster at the end of this manual.
For easier understanding, the same legend is used for components appearing in the hydraulic sections and on
the poster.
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PRIMARY HYDRAULIC POWER SYSTEM - Dynamic description
(A.10.A - C.30.A.10)
CX135SR
TRAVEL
Functions Description Refer to
HIGH SPEED High speed is obtained by changing the travel motors
from large displacement to small displacement.
When the pressure increases too much, the motors
automatically change to low speed.
TRAVELLING Travel - Hydraulic
schema (F.10.F - C.20.A.20)
LOW SPEED Low speed is obtained when the travel motors are
changed to high displacement.
schema (F.10.F - C.20.A.20)
STRAIGHT-LINE
TRAVEL
If you want to use the attachment or the swing during
travel, the machine will continue in a straight line without
zig-zagging.
schema (F.10.F - C.20.A.20)
SWING
BRAKING When the swing control is in the neutral position, the
motor and reduction gear assembly is braked.
When the swing is operated, the motor and reduction
gear assembly brake is released.
When the swing control is in the neutral position
and the boom, dipper or bucket is used, the swing
moto-reduction gear assembly brake is released.
The swing is braked 5 seconds after putting the control
into neutral or when the attachment is no longer
operated.
SWINGING Circular swing -
Hydraulic schema (F.40.C -
C.20.A.20)
PRIORITY The swing torque is maintained by the priority valve
incorporated in the control valve.
When working in a trench, the swing variable priority
valve is activated to provide sufcient ow to the dipper.
C.20.A.20)
ANTI-REBOUND This function reduces the number of rebounds when the
swing is stopped.
A protective valve is mounted on the swing motor.
C.20.A.20)
ATTACHMENT
BOOM LIFTING An internal spool is used to provide two ows when
raising the boom.
BOOM Lift - Hydraulic schema
(H.20.B - C.20.A.20)
BOOM LOWERING,
LOAD HOLDING
Boom lowering is made possible by unlocking the load
holding system which is incorporated in the control valve.
(H.20.B - C.20.A.20)
BOOM LOWERING,
ADDITIONAL
SUPPLY
The acceleration and the ow reduction pressure
information are controlled via the additional supply in
the boom spool and the continuous connection between
the supply and the return.
(H.20.B - C.20.A.20)
BOOM LOWERING,
VIBRATION
PREVENTION
The pressure points are controlled by the circuit which
keeps part of the supply ow for the free passage. This
is used to reduce vibration.
(H.20.B - C.20.A.20)
DIPPER OUT An internal spool provides two ows for the dipper. DIPPER Lift - Hydraulic schema
(H.25.B - C.20.A.20)
DIPPER IN, LOAD
HOLDING
Dipper in is made possible by unlocking the load holding
system that is incorporated in the control valve.
DIPPER Lift - Hydraulic schema
(H.25.B - C.20.A.20)
DIPPER IN,
ADDITIONAL
SUPPLY
The additional supply cancellation valve makes
combined movements quicker.
DIPPER Lift - Hydraulic schema
(H.25.B - C.20.A.20)
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CUSHION VALVE Shocks experienced when the attachment stops moving
are reduced by the cushion valve which incorporates
pilot heating.
BOOM OFFSET A separate circuit (pump and control valve) supplies the
offset.
BOOM Swing - Hydraulic
schema (H.20.D - C.20.A.20)
BUCKET OPENING
AND CLOSING
ARM TOOL ATTACHMENT Tilt
- Hydraulic schema (H.30.C -
C.20.A.20)
OPTION 1 An option section incorporated in the control valve can
be used as a breaker or a grab, for example.
DIGGING Hammer - Hydraulic
schema (J.20.E - C.20.A.20)
OPTION 2 A supplementary two-section control valve is added to
the main control valve to control a backhoe-offset boom
and/or a dozer blade.
DIGGING Hammer - Hydraulic
schema (J.20.E - C.20.A.20)
OTHERS
DOZER BLADE A separate circuit (pump and control valve) supplies the
blade.
LANDSCAPING Dozer blade
- Hydraulic schema (J.40.F -
C.20.A.20)
PUMP FLOW
REDUCTION INFO
Is used to reduce power consumption by decreasing the
pump ow when the machine is not under load or the
controls are in neutral.
See following page
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CRIL03J157G01 1
Controls in neutral position
(1) Low pressure pump (2) Pressure limiter
(3) Pressure limiter (4) Calibrated port
(5) Calibrated port (B26) Upper pilot pressure switch
(B27) Travel pilot pressure switch
• In neutral with the engine running, some of the ow from the low pressure pump (1) fed to (PP) is divided by a
calibrated restrictor bridge. One part passes through the two travel spools, and the other passes through all
the other spools before rejoining the general return circuit. When the spools are moved, these circuits will be
locked, which will close upper pilot (B26) and travel pilot (B27) pressure switches.
• Pump outlet (A1) enters (P2) on the control valve, while pump (A2) enters in (P1), passing through the control
valve via the free passages. They are controlled by two pressure limiters (2) and (3) set to 26,7 bar under
27 L/min and two restrictors (4) and (5). Both these pressures are sent to the HP pumps via ports (Pi1)
and (Pi2) to set them at minimum ow.
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Stack valve - External view (A.10.A.18 - C.10.A.40)
CX135SR
CRIL03L043H01 1
Control valve block with options
Description of control valve block
(62) Main relief valve (63) Safety valve
(64) Safety valve (option) (65) Screw
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(66) Screw (67) Screw
(68) Screw (69) Plug assembly
(71) Rod (72) Nut
(73) Rod (74) Nut
(79) Dozer blade and backhoe-offset relief valve (90) Plug assembly
(A-A) Refer to Stack valve - Sectional view (A.10.A.18 -
C.10.A.30)
(B-B) Refer to Stack valve - Sectional view
(A.10.A.18 - C.10.A.30)
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Stack valve - Sectional view (A.10.A.18 - C.10.A.30)
CX135SR
NOTE: Refer to the functions concerned for sections of the control valve block not described in this chapter.
CRIL03J093F01 1
Section A-A
(1) Timing gear case (2) Spool assembly - RH travel
(3) Spool assembly - option (4) Spool assembly - swing
(5) Boom spool assembly 2 (6) Dipper spool assembly 1
(11) Large cap (12) Seal
(13) Small cap (32) Plug assembly
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CRIL03J092G01 2
Section B-B
(7) Dipper spool assembly 2 (8) Boom spool assembly 1
(9) Bucket spool assembly (10) Straight-line travel spool assembly
(11) Large cap (12) Seal
(13) Small cap (14) Small cap
(15) Large cap (40) Spool assembly - LH travel
(42) Seal (44) Spring
(47) Cap (48) Spool
(61) Outlet plate (62) Main relief valve
(78) Inlet plate - option (83) Backhoe-offset spool assembly
(84) Dozer blade spool assembly
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CRIL03L045F01 3
Other sections
Section Description Refer to
(C-C) Input section Stack valve Inlet section - Sectional view
(A.10.A.18.10 - C.10.A.30)
(D-D) RH travel and straight-line spool section Control valve - Sectional view (F.10.F.14 -
C.10.A.30)
(E-E) Option and LH travel section Control valve - Sectional view (F.10.F.14 -
C.10.A.30)
(F-F) Swing and bucket section Control valve - Sectional view (F.40.C.14 -
C.10.A.30)
Control valve - Sectional view (H.30.C.13 -
C.10.A.30)
(G-G) Boom 1 and 2 section Control valve - Sectional view (H.20.B.14 -
C.10.A.30)
(H-H) Dipper 1 and 2 section Control valve - Sectional view (H.25.B.14 -
C.10.A.30)
(I-I) Output section with swing priority spool, negative
pressure valves and dipper recycling valve.
Stack valve Outlet section - Sectional view
(A.10.A.18.20 - C.10.A.30)
(J-J) Output section with ow re-injection spool. Stack valve Outlet section - Sectional view
(A.10.A.18.20 - C.10.A.30)
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Stack valve Inlet section - Sectional view (A.10.A.18.10 - C.10.A.30)
CX135SR
CRIL03J089F01 1
(16) Valve
(17) Spring
(18) Seal
(19) Seal
(62) Main relief valve
(69) Plug
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Stack valve Outlet section - Sectional view (A.10.A.18.20 - C.10.A.30)
CX135SR
CRIL03J088F01 1
Section I-I - Swing priority spool, negative pressure valves and dipper recycling valve.
(21) Plug (41) Spool
(42) Seal (43) Spring seat
(44) Spring (45) Spool end
(46) Cap (49) Plug
(50) Seal (51) Spring
(52) Spool assembly (53) Back Up Ring
(54) Seal (55) Negative pressure main relief valve
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CRIL03J104F01 2
Section J-J - Flow re-injection spool
(42) Seal (43) Spring seat
(44) Spring (45) Spool end
(47) Cap (48) Spool
(56) Plug
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Hydraulic pump - Sectional view (A.10.A.20 - C.10.A.30)
CX135SR
CRIL03J050H01 1
(1) Shaft (2) Seal
(3) Cover (4) Seal
(5) Spherical bushing (6) Centring stud
(7) Screw (8) Nut
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(9) Seal Ring (10) Back-up ring
(11) Seal (12) Control piston
(13) Swash plate (14) Control pivot
(15) Seal (16) Seal
(17) Seal (18) Seal Ring
(19) Screw (20) Lifting ring
(21) Cylinder plate (22) Piston
(23) Screw (24) Rear housing
(25) Shaft (26) Rear cylinder block
(27) Centring stud (28) Seal
(29) Main pinion (30) Needle roller bearing
(31) Plug (32) Seal
(33) Intermediate housing (34) Front cylinder block
(35) Plug (36) Seal
(37) Spring (38) Front housing
(39) Thrust plate (40) Piston wear plate
(41) Seal (42) Plug
(43) Front ange (44) Snap ring
(45) Bearing (46) Bushing
(47) Rear ange
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CRIL03K028G01 2
Secondary hydraulic pump coupling
(1) Pinion (2) Bearing
(3) Snap ring (4) Seal
(5) Cover (6) Screw
(7) Snap ring (8) Snap ring
(9) Pin (10) Spacer
(11) Bearing (12) Intermediate pinion
(13) Centring stud (14) Plug
(15) Seal (16) Screw
(17) Power take-off housing
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Hydraulic pump - Exploded view (A.10.A.20 - C.10.A.20)
CX135SR
CRIL03J178H01 1
(1) Screw (2) Hydraulic control pump (3) Seal
(4) Snap ring (5) Bushing (6) Bearing
(7) Bushing (8) Shaft (9) Nut
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(10) Screw (11) Centring stud (12) Seal Ring
(13) Back-up ring (14) Seal (15) Control pivot
(16) Regulator block (17) Seal Ring (18) Back-up ring
(19) Seal (20) Control piston (21) Screw
(22) Rear ange (23) Screw (24) Seal
(25) Rear housing (26) Seal (27) Plug
(28) Swash plate (29) Bushing (30) Piston wear plate
(31) Piston (32) Thrust plate (33) Spherical bushing
(34) Spring (35) Rear cylinder block (36) Cylinder plate
(37) Needle roller bearing (38) Main pinion (39) Seal
(40) Intermediate housing (41) Screw (42) Nut
(43) Lifting ring (44) Screw (45) Needle roller bearing
(46) Cylinder plate (47) Seal (48) Seal
(49) Seal (50) Seal (51) Cover
(52) Screw (53) Centring stud (54) Centring stud
(55) Seal (56) Plug (57) Screw
(58) Secondary hydraulic pump (59) Seal (60) Power take-off
(61) Seal (62) Cover (63) Seal
(64) Centring stud (65) Locking dowel (66) Front housing
(67) Screw
27050 1 14/12/2004
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Sensing system Temperature sensor - Electronic schema
(A.10.A.95.90 - C.20.A.50)
CX135SR
CRIL03K145F01 1
Circuit layout
(1) Coolant temperature indicator (2) Coolant or hydraulic oil overheating indicator
lamp
(3) Audible alarm device (A2) Engine electronic control box
(B1) Coolant solution temperature sensor (B9) Coolant solution temperature sensor
(B10) Hydraulic oil temperature thermo-switch (P1) Instrument panel
CRIL03G094E03 2
Timing diagram
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PRIMARY HYDRAULIC POWER SYSTEM - Warm up (A.10.A -
F.35.A.40)
CX135SR
1. Start the engine. The engine takes 10 to 15 minutes
to warm up.
2. With the engine running at full speed, operate the
bucket and dipper controls in one direction (against
the cylinder stops) for 30 seconds.
3. Actuate the bucket and dipper control in the other
direction (against the cylinder stops) for 30 seconds.
4. Repeat steps 2 and 3 until the hydraulic temperature
reaches 44 - 55 °C.
5. Operate the boom, swing and travel controls in both
directions to warm up all the circuits to 44 - 55 °C.
27050 1 14/12/2004
A.10.A / 33

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