jcb 3CXG Manuel utilisateur
SERVICE MANUAL
BACKHOE LOADER
3CXG
EN - 9813/4250 - ISSUE 6 - 03/2018
This manual contains original instructions, verified by
the manufacturer (or their authorized representative).
Copyright 2018 © JCB SERVICE
All rights reserved. No part of this publication may
be reproduced, stored in a retrieval system, or
transmitted in any form or by any other means,
electronic, mechanical, photocopying or otherwise,
without prior permission from JCB SERVICE.
www.jcb.com
Foreword
The Operator's Manual
You and others can be killed or seriously injured
if you operate or maintain the machine without
first studying the Operator's Manual. You must
understand and follow the instructions in the
Operator's Manual. If you do not understand
anything, ask your employer or JCB dealer to
explain it.
Do not operate the machine without an Operator's
Manual, or if there is anything on the machine you
do not understand.
Treat the Operator's Manual as part of the machine.
Keep it clean and in good condition. Replace the
Operator's Manual immediately if it is lost, damaged
or becomes unreadable.
Contents
01 - Machine
03 - Attachments, Couplings and Load
Handling
06 - Body and Framework
09 - Operator Station
12 - Heating, Ventilating and Air-
Conditioning (HVAC)
15 - Engine
18 - Fuel and Exhaust System
21 - Cooling System
24 - Brake System
25 - Steering System
27 - Driveline
30 - Hydraulic System
33 - Electrical System
72 - Fasteners and Fixings
75 - Consumable Products
78 - After Sales
9813/4250-6
2018-02-05
01 - Machine
Contents Page No.
Acronyms Glossary .................................................................................................................................... 01-2
01-03 Safety
01-03-03 Safety - Yours and Others ............................................................................................... 01-3
01-03-06 Safety Warnings ............................................................................................................... 01-4
01-03-09 General Safety ................................................................................................................. 01-5
01-03-12 Maintenance Safety ......................................................................................................... 01-6
01-03-18 Operating Safety .............................................................................................................. 01-8
01-03-21 Worksite Safety .............................................................................................................. 01-10
01-03-24 Risk Assessment ............................................................................................................ 01-11
01-03-27 Maintenance Positions ................................................................................................... 01-12
01-06 About this Manual
01-06-03 Model and Serial Number .............................................................................................. 01-17
01-06-06 Using the Manual ........................................................................................................... 01-18
01-09 Description
01-09-12 Main Component Locations ........................................................................................... 01-21
01-09-15 Service Point Locations ................................................................................................. 01-23
01-33 Cleaning
01-33-00 General ........................................................................................................................... 01-27
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01 - Machine
03 - Safety
01 - 1 9813/4250-6 01 - 1
03 - Safety
Contents Page No.
01-03-03 Safety - Yours and Others ............................................................................................... 01-3
01-03-06 Safety Warnings ............................................................................................................... 01-4
01-03-09 General Safety ................................................................................................................. 01-5
01-03-12 Maintenance Safety ......................................................................................................... 01-6
01-03-18 Operating Safety .............................................................................................................. 01-8
01-03-21 Worksite Safety .............................................................................................................. 01-10
01-03-24 Risk Assessment ............................................................................................................ 01-11
01-03-27 Maintenance Positions ................................................................................................... 01-12
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01 - Machine
03 - Safety
03 - Safety - Yours and Others
01 - 3 9813/4250-6 01 - 3
03 - Safety - Yours and Others
Introduction
All machinery can be hazardous. When a machine
is correctly operated and maintained, it is a safe
machine to work with. When it is carelessly operated
or poorly maintained it can become a danger to you
(the operator) and others.
In this manual and on the machine you will find
warning messages, you must read and understand
them. They inform you of potential hazards and how
to avoid them. If you do not fully understand the
warning messages, ask your employer or JCB dealer
to explain them.
Safety is not just a matter of responding to the
warnings. All the time you are working on or with the
machine you must be thinking of what hazards there
might be and how to avoid them.
Do not work with the machine until you are sure that
you can control it.
Do not start any work until you are sure that you and
those around you will be safe.
If you are not sure of anything, about the machine or
the work, ask someone who knows. Do not assume
anything.
Remember:
• Be careful
• Be alert
• Be safe.
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01 - Machine
03 - Safety
06 - Safety Warnings
01 - 4 9813/4250-6 01 - 4
06 - Safety Warnings
Introduction
In this manual there are safety notices. Each notice
starts with a signal word. The signal word meanings
are given below.
The signal word 'DANGER' indicates a hazardous
situation which, if not avoided, will result in death or
serious injury.
The signal word 'WARNING' indicates a hazardous
situation which, if not avoided, could result in death
or serious injury.
The signal word 'CAUTION' indicates a hazardous
situation which, if not avoided, could result in minor
or moderate injury.
The signal word 'Notice' indicates a hazardous
situation which, if not avoided, could result in
machine damage.
The safety alert system symbol (shown) also helps
to identify important safety messages in this manual.
When you see this symbol your safety is involved,
carefully read the message that follows.
Figure 1. The safety alert system symbol
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