The document is a service manual section covering general information about a JCB wheeled loader model WLS 432ZX. It includes:
- Introduction and descriptions of machine components
- Instructions on identifying the machine and component serial numbers
- Tables of standard torque settings for fasteners
- Lists and descriptions of required service tools
- Information on hydraulic connections and sealing compounds
- Color coding and terms used in hydraulic schematics
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𝘼𝙣𝙩𝙞𝙦𝙪𝙚 𝙋𝙡𝙖𝙨𝙩𝙞𝙘 𝙏𝙧𝙖𝙙𝙚𝙧𝙨 𝙞𝙨 𝙫𝙚𝙧𝙮 𝙛𝙖𝙢𝙤𝙪𝙨 𝙛𝙤𝙧 𝙢𝙖𝙣𝙪𝙛𝙖𝙘𝙩𝙪𝙧𝙞𝙣𝙜 𝙩𝙝𝙚𝙞𝙧 𝙥𝙧𝙤𝙙𝙪𝙘𝙩𝙨. 𝙒𝙚 𝙝𝙖𝙫𝙚 𝙖𝙡𝙡 𝙩𝙝𝙚 𝙥𝙡𝙖𝙨𝙩𝙞𝙘 𝙜𝙧𝙖𝙣𝙪𝙡𝙚𝙨 𝙪𝙨𝙚𝙙 𝙞𝙣 𝙖𝙪𝙩𝙤𝙢𝙤𝙩𝙞𝙫𝙚 𝙖𝙣𝙙 𝙖𝙪𝙩𝙤 𝙥𝙖𝙧𝙩𝙨 𝙖𝙣𝙙 𝙖𝙡𝙡 𝙩𝙝𝙚 𝙛𝙖𝙢𝙤𝙪𝙨 𝙘𝙤𝙢𝙥𝙖𝙣𝙞𝙚𝙨 𝙗𝙪𝙮 𝙩𝙝𝙚 𝙜𝙧𝙖𝙣𝙪𝙡𝙚𝙨 𝙛𝙧𝙤𝙢 𝙪𝙨.
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Comprehensive program for Agricultural Finance, the Automotive Sector, and Empowerment . We will define the full scope and provide a detailed two-week plan for identifying strategic partners in each area within Limpopo, including target areas.:
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• Target Areas: Polokwane, Tzaneen, Thohoyandou, Makhado, and Giyani.
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• Scope: Develop collaborations with automotive service providers to improve service quality and business operations.
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3. Page No.Contents
Section 1 - General Information
1-i 1-i
Introduction
About this Manual ...................................................................................... 1-1
Machine Model and Serial Number .......................................................1-1
Using the Service Manual .....................................................................1-1
Section Numbering ................................................................................1-1
Left Side, Right Side ..............................................................................1-2
Cab/Canopy ..........................................................................................1-2
Cross References ..................................................................................1-2
Identifying Your Machine ........................................................................... 1-3
Machine Identification Plate ..................................................................1-3
Component Identification Plates ............................................................1-4
Machine Description .................................................................................. 1-5
The JCB Wheeled Loader .....................................................................1-5
Intended Use .........................................................................................1-5
Component Location .............................................................................1-5
Standard Torque Settings
Zinc Plated Fasteners and Dacromet Fasteners ....................................... 1-7
Introduction ............................................................................................1-7
Bolts and Screws ...................................................................................1-7
Hydraulic Connections ............................................................................. 1-11
'O' Ring Face Seal System ..................................................................1-11
'Torque Stop' Hose System .................................................................1-14
JCB Standard Torque Settings ................................................................ 1-15
B.S.P. Port Connection (Colour Coded) ..............................................1-15
Hose Ends and Flange Fittings (Colour Coded) ..................................1-16
Service Tools
Numerical List .......................................................................................... 1-17
Tool Detail Reference Section B - Body and Framework ........................ 1-18
Numerical List Section C - Electrics ........................................................ 1-22
Tool Detail Reference Section C - Electrics ............................................. 1-23
Numerical List Section E - Hydraulics ..................................................... 1-24
Tool Detail Reference Section E- Hydraulics ........................................... 1-27
Numerical List Section F - Transmission ................................................. 1-30
Tool Detail Reference Section F - Transmission ...................................... 1-31
Numerical List Section K - Engine ........................................................... 1-34
Tool Detail Reference Section K - Engine ............................................... 1-35
Service Consumable
Sealing and Retaining Compounds ......................................................... 1-36
Terms and Definitions
Colour Coding .......................................................................................... 1-38
Hydraulic Schematic Colour Codes .....................................................1-38
4. Section 1 - General Information
1-1 1-19813/0800-5
Introduction
About this Manual
Machine Model and Serial Number
This manual provides information for the following
model(s) in the JCB machine range:
– 432ZX from 2079294 to 2081294
– 432ZX from 1507477 to 1507999
Using the Service Manual
T11-004
This publication is designed for the benefit of JCB
Distributor Service Engineers who are receiving, or have
received, training by JCB Technical Training Department.
These personnel should have a sound knowledge of
workshop practice, safety procedures, and general
techniques associated with the maintenance and repair of
hydraulic earthmoving equipment.
The illustrations in this publication are for guidance only.
Where the machines differ, the text and/or the illustration
will specify.
General warnings in Section 2 are repeated throughout the
manual, as well as specific warnings. Read all safety
statements regularly, so you do not forget them.
Renewal of oil seals, gaskets, etc., and any component
showing obvious signs of wear or damage is expected as
a matter of course. It is expected that components will be
cleaned and lubricated where appropriate, and that any
opened hose or pipe connections will be blanked to
prevent excessive loss of hydraulic fluid and ingress of dirt.
Where a torque setting is given as a single figure it may be
varied by plus or minus 3%. Torque figures indicated are
for dry threads, hence for lubricated threads may be
reduced by one third.
The manufacturer's policy is one of continuous
improvement. The right to change the specification of the
machine without notice is reserved. No responsibility will
be accepted for discrepancies which may occur between
specifications of the machine and the descriptions
contained in this publication.
Finally, please remember above all else safety must come
first!
Section Numbering
T11-005
The manual is compiled in sections, the first three are
numbered and contain information as follows:
The remaining sections are alphabetically coded and deal
with Dismantling, Overhaul etc. of specific components, for
example:
Section contents, technical data, circuit descriptions,
operation descriptions etc. are inserted at the beginning of
each alphabetically coded section.
1 General Information - includes torque settings and
service tools.
2 Care and Safety - includes warnings and cautions
pertinent to aspects of workshop procedures etc.
3 Maintenance - includes service schedules and
recommended lubricants for all the machine.
A Attachments
B Body and Framework, etc.
5. Section 1 - General Information
Introduction
About this Manual
1-2 1-29813/0800-5
Left Side, Right Side
In this manual, 'left' A and 'right' B mean your left and right
when you are seated correctly in the machine.
T033800-1
Fig 1.
Cab/Canopy
T1-003_2
This manual frequently makes references to the cab. For
instance, 'do not operate the machine without a manual in
the cab'. It should be noted that these statements also
apply to canopy build machines.
Cross References
T1-004_2
In this publication, page cross references are made by
presenting the subject title printed in bold, italic and
underlined. It is preceeded by the 'go to' symbol. The
number of the page upon which the subject begins, is
indicated within the brackets. For example: K Cross
References ( T 1-2).
6. Section 1 - General Information
Introduction
Identifying Your Machine
1-3 1-39813/0800-5
Identifying Your Machine
Machine Identification Plate
Introduction
Your machine has an identification plate.
The machine and engine serial numbers can help identify
exactly the type of equipment you have.
D021850-2
Fig 2.
Typical Product Identification Number
1 World Manufacturer Identification (3 Digits)
2 Model Number (3 Digits)
3 Loader End Type (1 Digit)
4 Designation (1 Digit)
5 Check Letter (1 Digit)
The Check Letter is used to verify the authenticity of
the machines Product Identification Number (PIN).
6 Machine Serial Number (8 Digits)
Each machine has a unique serial number.
1 2 3 4 5 6
JCB 432 Z I D 2081294
O HT Loader End
Z ZX Loader End
S Farm Master
O None Farm Master
I India
7. Section 1 - General Information
Introduction
Identifying Your Machine
1-4 1-49813/0800-5
Component Identification Plates
Unit Identification
The engine serial number is shown on two identification
plates A, one on the side of the engine and one on the
rocker cover.
When you order a replacement part, always quote the
complete engine serial number.
D066730
Fig 3.
ROPS and FOPS Data Plate
Note: Applicable for machine from 2079294 to 2081294.
D067190
Fig 4.
!MWARNING
Seat Belts
The ROPS/FOPS is designed to give you protection in
an accident. If you do not wear your seat belt, you
could be thrown out of the machine and crushed. You
must wear a seat belt when using the machine. Fasten
the seat belt before starting the engine.
0153
A machine built to the ROPS/FOPS standard has a data
plate attached to the inside of the cab.
!MWARNING
Do not use the machine if the falling objects protection
level provided by the structure is not sufficient for the
application. Falling objects can cause serious injury.
8-2-8-17
If the machine is used where there is a risk of falling
objects then a Falling-Objects Protective Structure (FOPS)
must be installed. For further information on the level of
FOPS your machine has, contact your JCB Dealer
There are two levels of FOPS:
– Level I Impact Protection - impact strength for
protection from small falling objects (e.g. bricks, small
concrete blocks, hand tools) encountered in
operations such as highway maintenance,
landscaping and other construction site services.
– Level II Impact Protection - impact strength for
protection from heavy falling objects (e.g. trees,
rocks) for machines involved in site clearing,
overhead demolition or forestry.
EngineSerialNo.
InjectorP/NNo.
RatedHP
ModelName
RPM
FuelrateatratedHP
CPLSeriesCICCert.
Timing–TDC
ValveLashCold
FiringOrder
LowIdleRPM
ECS
CumminsIndiaLimited
A
8. Section 1 - General Information
Introduction
Machine Description
1-5 1-59813/0800-5
Machine Description
The JCB Wheeled Loader
P4-1002
Self-propelled wheeled machine with an integral front
mounted shovel-supporting structure and linkage, which
loads or excavates through forward motion of the machine,
and lifts, transports and discharges material.
Intended Use
The machine is intended to be used under normal
conditions for the applications described in this manual. If
the machine is used for other purposes or in dangerous
environments, for example in a flammable atmosphere or
in areas with dust containing asbestos, special safety
regulations must be followed and the machine must be
equipped for use in these environments.
Component Location
Note: The illustrations show a typical machine model, your
machine may look different to the model shown. For
example, the grilles and the cover lights are optional.
D066670
Fig 5.
1 Radiator
2 Battery isolator switch
3 Batteries
4 Rear work lights
5 Exhaust stack
6 Rain cap (air filter system) Pre-air cleaner
7 Engine cover
8 Rear grille
9 Bucket
10 Loader arm
11 Ram
12 Front work lights
13 Tool box (Behind the seat)
14 Hydraulic oil level sight glass
15 Coolant filler cap - access point
1
3
2
10. Section 1 - General Information
Standard Torque Settings
Zinc Plated Fasteners and Dacromet Fasteners
1-7 1-79813/0800-5
Standard Torque Settings
Zinc Plated Fasteners and Dacromet Fasteners
T11-002
Introduction
Some external fasteners on JCB machines are
manufactured using an improved type of corrosion
resistant finish. This type of finish is called Dacromet and
replaces the original Zinc and Yellow Plating used on
earlier machines.
The two types of fasteners can be readily identified by
colour and part number suffix. K Table 1. Fastener Types
( T 1-7).
Table 1. Fastener Types
Note: As the Dacromet fasteners have a lower torque
setting than the Zinc and Yellow fasteners, the torque
figures used must be relevant to the type of fastener.
Note: A Dacromet bolt should not be used in conjunction
with a Zinc or Yellow plated nut, as this could change the
torque characteristics of the torque setting further. For the
same reason, a Dacromet nut should not be used with a
Zinc or Yellow plated bolt.
Note: All bolts used on JCB machines are high tensile and
must not be replaced by bolts of a lesser tensile
specification.
Note: Dacromet bolts, due to their high corrosion
resistance are used in areas where rust could occur.
Dacromet bolts are only used for external applications.
They are not used in applications such as gearbox or
engine joint seams or internal applications.
Bolts and Screws
Use the following torque setting tables only where no
torque setting is specified in the text.
Note: Dacromet fasteners are lubricated as part of the
plating process, do not lubricate.
Torque settings are given for the following conditions:
Condition 1
– Un-lubricated fasteners
– Zinc fasteners
– Yellow plated fasteners
Condition 2
– Zinc flake (Dacromet) fasteners
– Lubricated zinc and yellow plated fasteners
– Where there is a natural lubrication. For example,
cast iron components
Verbus Ripp Bolts
Fig 1.
Torque settings for these bolts are determined by the
application. Refer to the relevant procedure for the
required settings.
Fastener
Type
Colour Part No. Suffix
Zinc and
Yellow
Golden finish 'Z' (e.g. 1315/3712Z)
Dacromet Mottled silver finish 'D' (e.g. 1315/3712D)
17. Section 1 - General Information
Standard Torque Settings
Hydraulic Connections
1-14 1-149813/0800-5
'Torque Stop' Hose System
Fig 3.
`Torque Stop' Hoses 3-B screwed into adaptors 3-A seal
onto an 'O' ring 3-C which is compressed into a 45° seat
machined in the face of the adaptor port. To prevent the 'O'
ring being damages as a result of over tightening, 'Torque
Stop' Hoses have an additional shoulder 3-D, which acts
as a physical stop.
Note: Minimum dimension 3-E fixed by shoulder 3-D.
Table 12. BSP `Torque Stop' Hose - Torque Settings
BSP Hose Size Hexagon (A/F)
Nm kgf m lbf ftin. mm
1/8 14.0 14.0 1.4 10.0
1/4 19.0 27.0 2.7 20.0
3/8 22.0 40.0 4.1 30.0
1/2 27.0 55.0 5.6 40.0
5/8 30.0 65.0 6.6 48.0
3/4 32.0 95.0 9.7 70.0
1 38.0 120.0 12.2 89.0
1 1/4 50.0 189.0 19.3 140.0
1 1/2 55.0 244.0 24.9 180.0
18. Section 1 - General Information
Standard Torque Settings
JCB Standard Torque Settings
1-15 1-159813/0800-5
JCB Standard Torque Settings
B.S.P. Port Connection (Colour Coded)
Note: All adapters, elbows and hoses should be tightened
to JCB standard torque settings unless stated otherwise.
Fig 4.
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20. Section 1 - General Information
Standard Torque Settings
JCB Standard Torque Settings
1-16 1-169813/0800-5
Hose Ends and Flange Fittings (Colour
Coded)
Note: All adapters, elbows and hoses should be tightened
to JCB standard torque settings unless stated otherwise.
Fig 5.
21. Section 1 - General Information
1-17 1-179813/0800-5
Service Tools
Numerical List
The tools listed in the table are special tools required for
carrying out the procedures described in this manual.
These tools are available from JCB Service.
Some tools are available as kits or sets, the part numbers
for parts within such kits or sets are not listed here. For full
details of all tools, including the content of kits and sets,
refer to Tool Detail Reference, Section 1.
Note: Tools other than those listed will be required. It is
expected that such general tools will be available in any
well equipped workshop or be available locally from any
good tool supplier.
Part
Number
Description Tool Detail
Reference
825/99849 Dummy Boss K Fig 15. ( T 1-20)
825/99850 Bearing Locator K Fig 16. ( T 1-20)
826/01179 M6 x 16mm Rivet Nut K Fig 16. ( T 1-20)
826/01106 M6 x 19mm Rivet Nut K Fig 16. ( T 1-20)
826/01177 M8 x 18mm Rivet Nut K Fig 16. ( T 1-20)
826/01176 M10 x 23mm Rivet Nut K Fig 16. ( T 1-20)
826/01333 M10 x 26mm Rivet Nut K Fig 16. ( T 1-20)
892/00842 Glass Lifter K Fig 1. ( T 1-18)
892/00843 Glass Stand K Fig 2. ( T 1-18)
892/00844 Long Knife K Fig 14. ( T 1-20)
892/00846 Glass Extractor (Handles) K Fig 4. ( T 1-18)
892/00847 Nylon Spatula K Fig 5. ( T 1-18)
892/00848 Wire Starter K Fig 6. ( T 1-18)
892/00849 Braided Cutting Wire K Fig 7. ( T 1-19)
926/15500 Rubber Spacer Blocks K Fig 8. ( T 1-19)
992/12800 Cut-Out Knife K Fig 11. ( T 1-19)
992/12801 'L' Blades K Fig 12. ( T 1-19)