Service Manual 3DX Backhoe Loader

Introduction
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.
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. Finally, please remember above all
else SAFETY MUST COME FIRST!
The manual is compiled in sections, the first three are numbered and contain information as follows:
1 = General Information - includes torque settings and service tools.
2 = Care & Safety - includes warnings and cautions pertinent to aspects of workshop procedures etc.
3 = Routine Maintenance - includes service schedules and recommended lubricants for all the
machine.
The remaining sections are alphabetically coded and deal with Dismantling, Overhaul etc. of specific components, for example:
A = Attachments
B = Body & Framework ...etc.
The page numbering in each alphabetically coded section is not continuous. This allows for the insertion of new items in later
issues of the manual.
Section contents, technical data, circuit descriptions, operation descriptions etc are inserted at the beginning of each
alphabetically coded section.
All sections are listed on the front cover; tabbed divider cards align directly with individual sections on the front cover for rapid
reference.
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.
With the exception of slewing operations 'Left Hand' and 'Right Hand' are as viewed from the rear of the machine facing
forwards.
Throughout this manual abbreviations are used to identify various machine types. The abbreviations and their full explanation
are as follows:
AWS - All Wheel Steer
2WS - 2 Wheel Steer
2WD - 2 Wheel Drive
4WD - 4 Wheel Drive
The contents page at the beginning of each section will clearly identify using parenthesis () when a procedure/description is
pertinent to a particular machine, for example:
Loader Arm Safety Strut (AWS Machines)
- Fitting and Removing
Loader Arm Safety Strut (2WS Machines)
- Fitting and Removing

Section 1 - General Information
Section 2 - Care and Safety
Section 3 - Maintenance
Section A - Attachments
Section B - Body and Framework
Section C - Electrics
Section D - Controls
Section E - Hydraulics
Section F - Transmission
Section G - Brakes
Section H - Steering
Section K - Engine

DETAILS
Size: 35MB
Format: PDF
Language: English
Brand: JCB
number of pages:702
Type of document: Workshop manual

Comprehensive step-by-step repair guides
Wiring diagrams & schematics for easy troubleshooting
Expert maintenance tips to extend equipment lifespan
Clear illustrations for better understanding
Save time and money with DIY repairs