jcb 926 User manual

OPERATOR'S MANUAL
926, 930, 940, 950
EN - 9821/7950
ISSUE 3 - 10/2014
THIS MANUAL SHOULD ALWAYS STAY WITH THE MACHINE

OPERATOR'S
MANUAL
926, 930, 940, 950
EN - 9821/7950 - ISSUE 3 - 08/2014
This manual contains original instructions, verified by
the manufacturer (or their authorised representative).
Copyright 2014 © 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
WARNING
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.
Machine Delivery and Installation
Even if you have operated this type of equipment
before, it is very important that your new machines
operations and functions are explained to you by
a JCB Dealer Representative following delivery of
your new machine.
Following the installation you will know how to gain
maximum productivity and performance from your
new product.
Please contact your local JCB dealer if the
Installation Form (included in this manual) has not
yet been completed with you.
Your local JCB Dealer is
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9821/7950-3
Notes:
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Table of Contents
i 9821/7950-3 i
Contents Page No.
Acronyms Glossary ........................................................................................................................................ vii
Introduction
About this Manual
Model and Serial Number ..................................................................................................................... 1
Using the Manual .................................................................................................................................. 1
Left-Hand Side, Right-Hand Side ......................................................................................................... 1
Cab/Canopy .......................................................................................................................................... 1
Cross References ................................................................................................................................. 2
Safety
Safety - Yours and Others .................................................................................................................... 3
Safety Warnings .................................................................................................................................... 3
General Safety ...................................................................................................................................... 3
Clothing and Personal Protective Equipment (PPE) ............................................................................ 4
About the Product
Introduction
General .................................................................................................................................................. 5
Name and Address of the Manufacturer .............................................................................................. 5
Product Compliance .............................................................................................................................. 5
Description
General .................................................................................................................................................. 6
Intended Use ......................................................................................................................................... 6
Log Moving/Object Handling ................................................................................................................. 6
Danger Zone ......................................................................................................................................... 6
Main Component Locations .................................................................................................................. 7
Product and Component Identification
Machine ................................................................................................................................................. 9
Engine ................................................................................................................................................... 9
Axle ..................................................................................................................................................... 10
Gearbox ............................................................................................................................................... 11
Operator Protective Structure ............................................................................................................. 12
Safety Labels
General ................................................................................................................................................ 13
Safety Label Identification ................................................................................................................... 13
Operator Station
Component Locations ......................................................................................................................... 15
Console Switches
General ................................................................................................................................................ 17
Road Lights ......................................................................................................................................... 17
Rear Fog Lights .................................................................................................................................. 17
Hazard Warning Lights ....................................................................................................................... 17
Work Lights ......................................................................................................................................... 18
Transmission Mode ............................................................................................................................. 18
Beacon ................................................................................................................................................ 18
Interior Switches
Ignition Switch ..................................................................................................................................... 19
Multi-Purpose Switch .......................................................................................................................... 19
Rear Window Wiper ............................................................................................................................ 20
Roof Window Wiper ............................................................................................................................ 21
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Table of Contents
ii 9821/7950-3 ii
Operation
Introduction
General ................................................................................................................................................ 23
Operating Safety
General ................................................................................................................................................ 24
Worksite Safety ................................................................................................................................... 26
Risk Assessment ................................................................................................................................ 27
Walk-Around Inspection
General ................................................................................................................................................ 29
Entering and Leaving the Operator Station
General ................................................................................................................................................ 30
Doors
Operator Door ..................................................................................................................................... 31
Before Starting the Engine
General ................................................................................................................................................ 33
Operator Seat
General ................................................................................................................................................ 34
Suspension Seat ................................................................................................................................. 34
Seat Belt
General ................................................................................................................................................ 36
Inertia Reel Seat Belt ......................................................................................................................... 36
Static Seat Belt ................................................................................................................................... 37
Starting the Engine
General ................................................................................................................................................ 40
Stopping and Parking
General ................................................................................................................................................ 41
Preparing for Travel
General ................................................................................................................................................ 42
Preparing for Road Travel .................................................................................................................. 42
Preparing for Worksite Travel ............................................................................................................. 43
Beacon ................................................................................................................................................ 44
Locks
General ................................................................................................................................................ 45
Control Lock ........................................................................................................................................ 45
Drive Controls
Steering Wheel ................................................................................................................................... 47
Accelerator Pedal ................................................................................................................................ 47
Service Brake Pedal ........................................................................................................................... 47
Park Brake .......................................................................................................................................... 47
Drive Lever .......................................................................................................................................... 47
Gear Lever .......................................................................................................................................... 49
Transmission Dump Switch ................................................................................................................ 49
Instruments
Instrument Panel ................................................................................................................................. 50
Getting the Machine Moving
General ................................................................................................................................................ 54
Driving the Machine
General ................................................................................................................................................ 56
Operating Levers/Pedals
General ................................................................................................................................................ 58
Mast Controls ...................................................................................................................................... 58
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Table of Contents
iii 9821/7950-3 iii
Auxiliary Circuit Controls ..................................................................................................................... 61
Lifting and Loading
General ................................................................................................................................................ 64
Working with the Mast
General ................................................................................................................................................ 65
Fork Ratings ........................................................................................................................................ 65
Working with Pallets ........................................................................................................................... 66
Working with Bales ............................................................................................................................. 70
Working with Drums ............................................................................................................................ 71
Working with Irregular Loads .............................................................................................................. 72
Stacking Loads ................................................................................................................................... 72
Slopes
General ................................................................................................................................................ 73
Driving on Slopes ............................................................................................................................... 73
Working on Slopes ............................................................................................................................. 73
Heating, Ventilating and Air-Conditioning (HVAC)
General ................................................................................................................................................ 74
Air-Conditioning Controls .................................................................................................................... 74
Cab Heater Controls ........................................................................................................................... 75
Power Sockets
Auxiliary Power Socket ....................................................................................................................... 76
Battery Isolator
General ................................................................................................................................................ 77
Fire Extinguisher
General ................................................................................................................................................ 78
Moving a Disabled Product
General ................................................................................................................................................ 79
Jump-Starting the Engine ................................................................................................................... 79
Retrieval .............................................................................................................................................. 80
Recovery Hitch .................................................................................................................................... 80
Lifting the Product
General ................................................................................................................................................ 82
Transporting the Product
General ................................................................................................................................................ 83
Loading the Product onto the Transporting Vehicle/Trailer ................................................................. 83
Unloading the Product from the Transporting Vehicle/Trailer ............................................................. 85
Operating Environment
General ................................................................................................................................................ 88
Operating in Low Temperatures ......................................................................................................... 88
Operating in High Temperatures ......................................................................................................... 88
Refuelling
General ................................................................................................................................................ 90
Low Fuel Levels .................................................................................................................................. 90
Filling the Tank .................................................................................................................................... 90
Attachments
Working with Attachments
Introduction .......................................................................................................................................... 91
Attachments for your Product ............................................................................................................. 91
Connecting/Disconnecting Hydraulic Hoses ....................................................................................... 92
Forks
General ............................................................................................................................................... 96
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Table of Contents
iv 9821/7950-3 iv
Forks Carriage .................................................................................................................................... 98
Work Platforms
General .............................................................................................................................................. 101
Preservation and Storage
Cleaning
General .............................................................................................................................................. 103
Preparation ........................................................................................................................................ 103
Checking For Damage
General .............................................................................................................................................. 105
Storage
General .............................................................................................................................................. 106
Put into Storage ................................................................................................................................ 106
During Storage .................................................................................................................................. 106
Take out of Storage .......................................................................................................................... 107
Security
General .............................................................................................................................................. 108
JCB Plantguard ................................................................................................................................. 108
Construction Equipment Security and Registration Scheme (CESAR) ............................................ 108
LiveLink ............................................................................................................................................. 108
Maintenance
Introduction
General .............................................................................................................................................. 109
Owner/Operator Support ................................................................................................................... 109
Service/Maintenance Agreements .................................................................................................... 109
Obtaining Spare Parts ...................................................................................................................... 110
Maintenance Safety
General .............................................................................................................................................. 111
Fluids and Lubricants ....................................................................................................................... 112
Maintenance Schedules
General .............................................................................................................................................. 116
How to Use the Maintenance Schedules ......................................................................................... 116
Maintenance Intervals ....................................................................................................................... 116
Pre-start Cold Checks, Service Points and Fluid Levels .................................................................. 116
Functional Tests and Final Inspection .............................................................................................. 119
Maintenance Positions
General .............................................................................................................................................. 121
Maintenance Position (Mast Lowered) ............................................................................................. 121
Maintenance Position (Mast Raised) ................................................................................................ 121
Service Points
General .............................................................................................................................................. 127
Access Apertures
General .............................................................................................................................................. 129
Engine Compartment Cover ............................................................................................................. 129
Tools
General .............................................................................................................................................. 131
Lubrication
General .............................................................................................................................................. 132
Preparation ........................................................................................................................................ 132
Attachments
General ............................................................................................................................................. 133
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Table of Contents
v 9821/7950-3 v
Body and Framework
General ............................................................................................................................................. 134
Pivot Pins .......................................................................................................................................... 134
Mast
General ............................................................................................................................................. 135
Operator Station
Operator Protective Structure ........................................................................................................... 136
Seat ................................................................................................................................................... 136
Seat Belt ........................................................................................................................................... 136
Controls ............................................................................................................................................. 137
Engine
General ............................................................................................................................................. 138
Oil ...................................................................................................................................................... 138
Air Filter
General ............................................................................................................................................. 141
Dust Valve ........................................................................................................................................ 141
Fuel System
General ............................................................................................................................................. 142
Fuel Filter .......................................................................................................................................... 142
Water Separator ............................................................................................................................... 143
Cooling System
General ............................................................................................................................................. 145
Coolant .............................................................................................................................................. 145
Cooling Pack .................................................................................................................................... 145
Brakes
General ............................................................................................................................................. 147
Park Brake ........................................................................................................................................ 147
Axles
General ............................................................................................................................................. 148
Wheels
General ............................................................................................................................................. 149
Tyres
General ............................................................................................................................................. 151
Propshafts
General ............................................................................................................................................. 153
Hydraulic System
General ............................................................................................................................................. 154
Services ............................................................................................................................................ 155
Oil ...................................................................................................................................................... 155
Cylinder Rams .................................................................................................................................. 155
Electrical System
General ............................................................................................................................................. 156
Battery ............................................................................................................................................... 156
Battery Isolator ................................................................................................................................. 157
Fuses ................................................................................................................................................ 158
Relays ............................................................................................................................................... 159
Window Washer ................................................................................................................................ 160
Miscellaneous
Fire Extinguisher ............................................................................................................................... 162
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Table of Contents
vi 9821/7950-3 vi
Technical Data
Static Dimensions
Dimensions ........................................................................................................................................ 163
Weights ............................................................................................................................................. 167
Performance Dimensions
Mast Dimensions and Performance ................................................................................................. 168
Noise Emissions
General .............................................................................................................................................. 170
Noise Data ........................................................................................................................................ 170
Vibration Emissions
General .............................................................................................................................................. 171
Vibration Data ................................................................................................................................... 171
Fluids, Lubricants and Capacities
General .............................................................................................................................................. 173
Fuel ................................................................................................................................................... 174
Coolant .............................................................................................................................................. 175
Torque Values
General .............................................................................................................................................. 177
Electrical System
General .............................................................................................................................................. 178
Fuses ................................................................................................................................................. 178
Relays ............................................................................................................................................... 180
Wheels and Tyres
Tyre Sizes and Pressures ................................................................................................................ 182
Declaration of Conformity
General .............................................................................................................................................. 184
Data ................................................................................................................................................... 184
Warranty Information
Service Record Sheet ....................................................................................................................... 186
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Table of Contents
vii 9821/7950-3 vii
Acronyms Glossary
ARV Auxiliary Relief Valve
CESAR Construction Equipment Security and Registration
DEF Diesel Exhaust Fluid
ECU Electronic Control Unit
FOPS Falling-Object Protective Structure
HVAC Heating Ventilation Air Conditioning
MRV Main Relief Valve
PIN Product Identification Number
RMS Root Mean Square
ROPS Roll-Over Protective Structure
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Notes:
viii 9821/7950-3 viii

Introduction
About this Manual
1 9821/7950-3 1
Introduction
About this Manual
Model and Serial Number
This manual provides information for the following model(s) in the JCB machine range:
Model From: To:
926 02363578 02365578
930 02363578 02365578
940 02363578 02365578
950 02363578 02365578
Using the Manual
This operator's manual is arranged to give you a good understanding of the product and its safe operation. It
also contains maintenance and technical data.
Read this manual from the front to the back before you use the product for the first time. Particular attention
must be given to all the safety aspects of operating and maintaining the product.
If there is anything you are not sure about, ask your JCB dealer or employer. Do not guess, you or others could
be killed or seriously injured.
The general and specific warnings in this section are repeated throughout the manual. Read all the safety
statements regularly, so you do not forget them. Remember that the best operators are the safest operators.
The illustrations in this manual are for guidance only. Where the machines are different, the text and or the
illustration will specify.
The manufacturer's policy is one of continuous improvement. The right to change the specification of the product
without notice is reserved. No responsibility will be accepted for discrepancies which may occur between
specifications of the product and the descriptions contained in this manual.
All of the optional equipment included in this manual may not be available in all territories
Left-Hand Side, Right-Hand Side
In this manual, 'left' and 'right' mean your left and right when you are seated correctly in the machine.
Figure 1.
A
B
ALeft
BRight
Cab/Canopy
This manual frequently makes references to the cab. For example, 'do not operate the machine without an
operator's manual in the cab'. These statements also apply to canopy build machines.

Introduction
About this Manual
2 9821/7950-3 2
Cross References
In this manual, cross references are made by presenting the subject title in blue (electronic copy only). The
number of the page upon which the subject begins is indicated within the brackets. For example: Refer to:
Introduction > About this Manual > Cross References (Page 2).

Introduction
Safety
3 9821/7950-3 3
Safety
Safety - Yours and Others
All machinery can be hazardous. When a product is correctly operated and maintained, it is a safe product 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 product you will find warning messages, 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 product
you must be thinking of what hazards there might be and how to avoid them.
Do not work with the product 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 product or the work, ask someone who knows. Do not assume
anything.
Remember:
• Be careful
• Be alert
• Be safe.
Safety Warnings
In this manual and on the product, 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 product damage.
The safety alert system (shown) also helps to identify important safety messages in this manual and on the
product. When you see this symbol, be alert, your safety is involved, carefully read the message that follows,
and inform other operators.
Figure 2. The safety alert system
General Safety
Training
To operate the machine safely you must know the machine and have the skill to use it. You must abide by
all relevant laws, health and safety regulations that apply to the country you are operating in. The operator's
manual instructs you on the machine, its controls and its safe operation; it is not a training manual. If you are
a new operator, get yourself trained in the skills of using a machine before trying to work with it. If you don't,
you will not do your job well, and you will be a danger to yourself and others.

Introduction
Safety
4 9821/7950-3 4
Care and Alertness
All the time you are working with or on the machine, take care and stay alert. Always be careful. Always be
alert for hazards.
Clothing
You can be injured if you do not wear the correct clothing. Loose clothing can get caught in the machinery.
Keep cuffs fastened. Do not wear a necktie or scarf. Keep long hair restrained. Remove rings, watches and
personal jewellery.
Alcohol and Drugs
It is extremely dangerous to operate machinery when under the influence of alcohol or drugs. Do not consume
alcoholic drinks or take drugs before or while operating the machine or attachments. Be aware of medicines
which can cause drowsiness.
Feeling Unwell
Do not attempt to operate the machine if you are feeling unwell. By doing so you could be a danger to yourself
and those you work with.
Mobile Phones
Switch off your mobile phone before entering an area with a potentially explosive atmosphere. Sparks in such
an area could cause an explosion or fire resulting in death or serious injury.
Switch off and do not use your mobile phone when refuelling the machine.
Lifting Equipment
You can be injured if you use incorrect or faulty lifting equipment. You must identify the weight of the item to
be lifted then choose lifting equipment that is strong enough and suitable for the job. Make sure that lifting
equipment is in good condition and complies with all local regulations.
Raised Equipment
Never walk or work under raised equipment unless it is supported by a mechanical device. Equipment which
is supported only by a hydraulic device can drop and injure you if the hydraulic system fails or if the control
is operated (even with the engine stopped).
Make sure that no-one goes near the machine while you install or remove the mechanical device.
Raised Machine
Never position yourself or any part of your body under a raised machine which is not correctly supported. If the
machine moves unexpectedly you could become trapped and suffer serious injury or be killed.
Lightning
Lightning can kill you. Do not use the machine if there is lightning in your area.
Machine Modifications
This machine is manufactured in compliance with legislative and other requirements. It must not be altered in
any way which could affect or invalidate any of these requirements. For advice consult your JCB dealer.
Clothing and Personal Protective Equipment (PPE)
Do not wear loose clothing or jewellery that can get caught on controls or moving parts. Wear protective clothing
and personal safety equipment issued or called for by the job conditions, local regulations or as specified by
your employer.

About the Product
Introduction
5 9821/7950-3 5
About the Product
Introduction
General
Before you start using the product, you must know how the product operates. Use this part of the manual
to identify each control lever, switch, gauge, button and pedal. Do not guess, if there is anything you do not
understand, ask your JCB dealer.
Name and Address of the Manufacturer
JCB Compact Products Limited, Harewood Estate, Leek Road, Cheadle, Stoke On Trent, United Kingdom,
ST14 5JP
Product Compliance
Your JCB product was designed to comply with the laws and regulations applicable at the time of its manufacture
for the market in which it was first sold. In many markets, laws and regulations exist that require the owner to
maintain the product at a level of compliance relevant to the product when first produced. Even in the absence
of defined requirements for the product owner, JCB recommend that the product compliance be maintained
to ensure safety of the operator and exposed persons and to ensure the correct environmental performance.
Your product must not be altered in any way which could affect or invalidate any of these requirements. For
advice consult your JCB dealer.
For its compliance as a new product, your JCB and some of its components may bear approval numbers
and marking's, and may have been supplied with a Declaration/Certificate of Conformity. These marking's and
documents are relevant only for the country/region in which the product was first sold to the extent that the
laws and regulations required them.
Re-sales and import/export of products across territories with different laws and regulations can cause new
requirements to become relevant for which the product was not originally designed or specified. In some cases,
pre owned products irrespective of their age are considered new for the purposes of compliance and may be
required to meet the latest requirements which could present an insurmountable barrier to their sale/use.
Despite the presence of any compliance related marking's on the product and components, you should not
assume that compliance in a new market will be possible. In many cases it is the person responsible for import
of a pre owned product into a market that becomes responsible for compliance and who is also considered
the manufacturer.
JCB may be unable to support any product compliance related enquiry for a product which has been moved out
of the legislative country/region where it was first sold, and in particular where a product specification change
or additional certification would have been required in order for the product to be in compliance.

About the Product
Description
6 9821/7950-3 6
Description
General
The JCB Rough Terrain Fork Lift is a self propelled, seated operator, rough terrain counterbalance truck for
operation on unimproved natural terrain and disturbed terrain.
The machine has an integral front mounted mast and carriage. The carriage is installed with a pair of forks
or other load carrying attachment which can pick up a load through forward motion and raise or lower it to a
suitable height for transport and discharge in another place.
Intended Use
The machine is intended to be used in normal conditions for the applications described in this manual. If the
machine is used for other applications or in dangerous environments, for example in a flammable atmosphere
or in areas with dust containing asbestos, special safety regulations must be obeyed and the machine must
be equipped for use in these environments.
Log Moving/Object Handling
Do not use the machine to move or handle logs unless sufficient log protection is installed. You could cause
serious injury to yourself and damage to the machine. For more information, contact your JCB dealer.
Danger Zone
The danger zone is any zone within and/or around the machinery in which a person is subject to a risk to
their health or safety. During operation of the product, keep all persons out of the danger zone. Persons in the
danger zone could be injured. Refer to: Technical Data (Page 163).
Before you do a maintenance task, make the product safe. Refer to: Maintenance > Maintenance Positions
(Page 121).

About the Product
Description
7 9821/7950-3 7
Main Component Locations
Figure 3.
A
F
B
D
C
E
AFOPS (Falling-Object Protective Structure) Cab
BCarriage
CFuel tank
DMast
EEngine cover

About the Product
Description
8 9821/7950-3 8
FHydraulic tank

About the Product
Product and Component Identification
9 9821/7950-3 9
Product and Component Identification
Machine
Your machine has an identification plate. The PIN (Product Identification Number), weight, engine power, year
of manufacture and serial number of the machine are shown on the identification plate.
The serial number of each major unit is also shown on the unit itself. If a major unit is replaced by a new one,
the serial number on the identification plate will be wrong. Either get a replacement identification plate from
your JCB dealer or simply remove the old number. This will prevent the wrong unit number being quoted when
replacement parts are ordered.
Figure 4.
RATED CAPACITY (kg)
Product Identification Number PIN ISO 10261
The machine model and build specification are indicated by the PIN. The PIN has 17 digits and must be read
from left to right.
Table 1. Typical PIN
JCB 930 02 C 01234567
Table 2. Explanation of the PIN
Digit Description
1 to 3 World manufacturer identification. For example, JCB = UK Build.
4 to 6 Machine type and model
7 to 8 Wheel drive option
9 Random check letter. The check letter is used to verify the authenticity of a machine's PIN.
10 to 17 Machine serial number
Engine
The engine data labels are attached to the cylinder block as shown.