JCB 520-50/525-50/525-50S (Loadall)-Operator Handbook

SAFETY NOTICES ! WARNING Study This Handbook Before Starting The Machine You must understand and follow the instructions in this handbook. You must observe all relevant laws and regulations. If you are unsure about anything, ask your JCB distributor or employer. Do not guess, you or others could be killed or seriously injured. INT-1-1-1 ! CAUTION Do not fit an attachment to this machine which is not JCB approved. Consult your JCB distributor before fitting any non approved attachment. 8-4-1-6 8170-1 In this handbook and on the machine there are safety notices. Each notice starts with a signal word. The meanings of the signal words are given below. ! DANGER Denotes an extreme hazard exists. If proper precautions are not taken, it is highly probable that the operator (or others) could be killed or seriously injured. INT-1-2-1 ! WARNING Denotes a hazard exists. If proper precautions are not taken, the operator (or others) could be killed or seriously injured. INT-1-2-2 ! CAUTION Denotes a reminder of safety practices. Failure to follow these safety practices could result in injury to the operator (or others) and possible damage to the machine. INT-1-2-3 MACHINE SECURITY Vandalism and theft of unattended machines is an ever increasing problem and JCB is doing everything possible to help combat this. JCB PLANTGUARD is a comprehensive package available to help you safeguard your machine. It includes such devices as vandal proof covers, window etching, immobiliser, concealed serial number, battery isolator, Tracker security system and much more. Remember that the fitting of any one of these security devices will help to min- imise not only the damage or loss of your machine but also subsequent lost pro- ductivity. It could also result in reduced insurance premiums. Your JCB Distributor or Dealer will be pleased to provide information on any of these sensible precautions. ACT NOW! INT-1-2-4 Purchased from www.WorkshopManuals.co.uk

i i CONTENTS Page INTRODUCTION About this Handbook Machine Model and Serial Number ....................... 1 Using the Handbook . ............................................. 1 Units of Measurement ............................................ 1 Page Numbering .................................................... 1 Left Side, Right Side . ............................................. 1 Using the Machine ................................................. 1 Page Cross References ......................................... 1 Machine Description ............................................ 2 Safety - Yours and Other People's ..................... 3 Safety Check List General Safety ....................................................... 3 Operating Safety .................................................... 4 Maintenance Safety ............................................... 5 Safety Decals ........................................................ 7 Identifying Your Machine Identification Plate . ................................................ 8 Unit Identification . .................................................. 8 JCB Immobiliser Option ...................................... 10 OPERATION Introduction .......................................................... 21 Before Entering the Cab ...................................... 21 Entering & Leaving the Cab, Doors and Windows 22 Opening and Closing the Door .............................. 23 Open and Closing the Rear Window ..................... 23 Emergency Exit ...................................................... 24 Seat Controls Adjusting the Seat .................................................. 24 Seat Belt Fasten the Seat Belt ............................................... 25 Release the Seat Belt ............................................. 25 Adjust the Seat Belt . .............................................. 25 Cab Layout and Controls .................................... 26 Cab Switches and Instruments Starter Switch ........................................................ 29 Steering Column Switches ..................................... 30 Instrument Panel Switches .................................... 31 Steer Mode Selector (If Fitted) ................................. 32 Phasing 4-Wheel Steer ............................................ 32 Cab Light . .............................................................. 33 Warning Beacon . ................................................... 33 Instruments ............................................................ 34 Page Warnings (Visual only) ........................................... 35 Warnings (Audible/Visual) ....................................... 35 Heater Heater On-Off ........................................................ 36 Cab/Windscreen Heating ....................................... 36 Heater Fan ............................................................. 36 Air Conditioning Option ......................................... 36 Boom and Carriage controls Lever Lock ............................................................. 37 Raise/Lower Boom ................................................ 38 Extend/Retract Boom ............................................ 38 Tilt Carriage Forward/Back .................................... 38A Auxiliary Operation ................................................. 38B Before Starting the Engine .................................. 39 Starting the Engine .............................................. 40 Preparing for Road Travel ................................... 41 Preparing for Site Travel ..................................... 42 Getting the Machine Moving Operating Practices ............................................... 43 Limited Slip Differential ............................................ 43 Stopping and Parking the Machine . ................... 45 Using the Load Charts ......................................... 46 Load Moment Indicator Checking the Indicator ............................................. 48 Setting Volume and Brightness ............................... 48A Diagnostic Fault Codes............................................ 48A Working with the Machine Introduction ............................................................. 49 Safety Practices ...................................................... 49 Risk Assessment ..................................................... 50 Lifting and Loading Operations ............................... 51 Safety Warnings ...................................................... 52 Fork Ratings ............................................................ 53 Lifting and Handling Loads .................................... 54 Use of Machines on Gradients or Slopes ............... 59 Handling Palleted Loads ........................................ 61 Uneven Loads ........................................................ 62 Lifting Bales ............................................................. 63 Placing Bales ........................................................... 63 Operating in Low Temperatures ......................... 64 Operating in High Temperatures ........................ 64 Transporting the Machine ................................... 65 Re-Aligning the Road Wheels ............................. 66 Towing a Machine ................................................ 67 8170-10 Purchased from www.WorkshopManuals.co.uk

ii ii CONTENTS Page Recovery Hitch ..................................................... 67 Mechanical Tow Hitch Option ............................ 68 Hydraulic Tow (Pickup) Hitch Option ................. 69 MAINTENANCE Lubricants - Health and Safety Hygiene .................................................................. 71 Storage .................................................................. 71 Waste Disposal ...................................................... 71 Handling ................................................................. 71 First Aid - Oil .......................................................... 71 Spillage .................................................................. 71 Fires ....................................................................... 71 Service Requirements Introduction ............................................................ 72 Maintenance .......................................................... 72 Owner/Operator Support ....................................... 72 Service/Maintenance Agreements ......................... 72 Service Schedules ................................................ 72 Boom Safety Strut Installing ................................................................. 76 Removing ............................................................... 76 Engine Cover Opening/Closing the Cover . .................................. 77 Rear Grille Removing/Fitting the Rear Grille ............................ 77 Cleaning the Machine .......................................... 78 ROPS/FOPS Structure Checking the ROPS/FOPS Structure .................... 79 Boom Wear Pads ................................................. 79 Checking for Damage .......................................... 80 Seat Belt Checking the Seat Belt Condition and Security .... 80 Greasing ................................................................ 80 50 Hours ................................................................ 81 500 Hours ............................................................... 82 1000 Hours ............................................................ 83 Oiling ..................................................................... 83 Tyres and Wheels Tyre Inflation .......................................................... 84 Checking Roadwheel Tightness .............................. 84 Page Engine Air Filter Cleaning the Pre-Cleaner ....................................... 85 Changing the Outer Element .................................. 85 Changing the Inner Element .................................. 86 Engine Oil and Filter Checking the Oil Level ........................................... 87 Changing the Oil and Filter .................................... 87 Engine Cooling System Checking the Coolant Level ................................... 88 Coolant Mixtures .................................................... 88 Changing the Coolant ............................................ 89 Cab Heater Filter Cleaning the Cab Heater Filter ............................... 90 Fuel System Types of Fuel . ........................................................ 91 Fuel Standards ....................................................... 91 Low Temperature Fuels . ........................................ 91 Filling the Tank ....................................................... 92 Cleaning the Lift Pump Gauze ................................. 92 Draining the Filter ................................................... 93 Changing the Filter Element ................................... 93 Draining the Sediment Bowl .................................. 94 Cleaning the Sediment Bowl .................................. 94 Bleeding the System .............................................. 95 Transmission Checking the Oil Level ........................................... 96 Changing the Oil and Filter .................................... 97 Brakes ..................................................................... 98 Front and Rear Axle Checking the Axle Oil Level ................................... 98 Changing the Axle Oil ............................................ 98 Front and Rear Hub Checking the Hub Oil Levels .................................. 99 Oil Immersed Brakes................................................ 99 Changing the Hub Oil ............................................. 99 Hydraulic System Checking the Fluid Level ........................................ 100 Changing the Hydraulic Tank Filler Cap ................. 100 Changing the Filter Element ................................... 100 Hose Burst Protection Valves Checking the Hose Burst Protection Valves .......... 101 Battery Warning Symbols ..................................................... 103 Checking the Electrolyte Level .............................. 104 Jump-Starting the Engine . ..................................... 105 8170-9 Purchased from www.WorkshopManuals.co.uk

iii iii CONTENTS Page Electrical System Typical Fuse Installation ......................................... 106 Bulbs ...................................................................... 107 Adjusting the Alternator Drive Belt ......................... 107 Windscreen Washer ............................................. 108 Obtaining Replacement Parts ............................. 108 Fluids, Lubricants, Capacities and Specifications 520-50 & 525-50 Machines with Type AA Engines . 109 520-5 & 525-50 Machines with Type AR and AK (Low Emission) Engines .......................................... 110 OPTIONAL ATTACHMENTS Introduction .......................................................... 131 Quick Release Couplings Quick Release Couplings - Do’s and Don’ts . ........ 132 Remove Pressure from Service Lines .................... 132 Connecting Quick Release Couplings ................... 132 Disconnecting Quick Release Couplings ............... 132 Installing and Removing Q-Fit Attachments Installing Attachments ........................................... 133 Removing Attachments .......................................... 135 Fork Mounted Hook Safety ..................................................................... 137 Installing ................................................................. 137 Removing ............................................................... 137 Operation ............................................................... 138 Maintenance .......................................................... 138 SPECIFICATIONS Static Dimensions ................................................ 151 Performance Dimensions .................................... 152 Tyres and Pressures ............................................ 153 Noise and Vibration Data .................................... 153 SERVICE RECORD SHEET REGISTRATION INFORMATION 8170-7 Purchased from www.WorkshopManuals.co.uk

8170-7 1 1 INTRODUCTION ABOUT THIS HANDBOOK Machine Model and Serial Number This handbook provides information for the following models in the JCB machine range. 520-50 Machines from Serial No. 754000 525-50 Machines from Serial No. 789308 525-50S Machines from Serial No. TBA Using the Handbook The illustrations in this handbook are for guidance only. Where the machines differ, the text and/or the illustration will specify. This handbook is arranged to give you a good understanding of the machine and its safe operation. It also contains maintenance information and specification data. Read this handbook from front to back before using the machine for the first time. Particular attention must be given to all the safety aspects of operating and maintaining the machine. General warnings in this chapter are repeated throughout the book, as well as specific warnings. Read all the safety statements regularly, so you do not forget them. Remember that the best operators are the safest operators. Finally, treat this handbook as part of the machine. Keep it clean and in good condition. Do not operate the machine without a handbook in the cab. If there is anything you are unsure about, ask your JCB distributor or employer. Do not guess, you or others could be killed or seriously injured. 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. INT-1-2-5/1 Units of Measurement In this handbook, the S.I. system of units is used. For example, liquid capacities are given in litres. The Imperial units follow in parenthesis ( ) eg 28 litres (6 gal). Page Numbering The page numbering system in this handbook is not continuous. There is a gap of about ten pages between sections. This allows for the insertion of new pages in later issues of the handbook. Left Side, Right Side In this handbook, 'left' A and 'right' B mean your left and right when you are seated correctly in the machine. Using the Machine To use the machine efficiently and safely you must know the machine and have the skill to use it. This handbook instructs you on the machine, its controls and its safe operation. It is not a training manual on the art of loading. 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. Page Cross References In this handbook, page cross references are made by presenting the subject title printed in bold and italic to signify a cross reference. (This is followed by the title of the section containing the subject). For example: Make sure the tyres are correctly inflated, see Tyre Pressures (SPECIFICATION section) for the correct tyre pressures and Inflating the Tyres (MAINTENANCE section) for a safe procedure for inflating the tyres. S239980 A B Purchased from www.WorkshopManuals.co.uk

2 2 INTRODUCTION MACHINE DESCRIPTION S239761 S239771 FUEL TANK HYDRAULIC TANK LIFT RAM Self propelled, seated operator, wheeled machine for operation on unimproved natural terrain and disturbed terrain. A main structural support is designed to carry an extending boom with a carriage mounted on the front to which forks or an approved attachment can be fitted. When used normally the machine lifts and places loads by extending/retracting, raising/lowering the boom. BOOM ROPS/FOPS CAB 8170-4 DISPLACEMENT RAM ENGINE COVER Purchased from www.WorkshopManuals.co.uk

3 3 INTRODUCTION SAFETY - YOURS AND OTHER PEOPLE'S All construction and agricultural equipment can be hazardous. When the machine is correctly operated and properly maintained, it is a safe machine to work with. But when it is carelessly operated or poorly maintained it can become a danger to you (the operator) and others. In this handbook and on the machine you will find warning messages. Read and understand them. They tell you of potential hazards and how to avoid them. If you do not fully understand the warning messages, ask your employer or JCB distributor to explain them. But 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 what hazards there might be and how to avoid them. SAFETY - CHECK LIST As well as the warnings in this chapter, specific warnings are given throughout the book. This section is designed to give a safety code for use of the machine generally and for operation and maintenance practices. General Safety ! WARNING Handbook You and others can be injured if you operate or maintain the machine without first studying this handbook. Read the safety instructions before operating the machine. If you do not understand anything, ask your employer or JCB distributor to explain it. Keep this handbook clean and in good condition. Do not operate the machine without a handbook in the cab, or if there is anything on the machine you do not understand. INT-1-3-2 ! WARNING Decals You can be injured if you do not obey the decal safety instructions. Keep decals clean. Replace unreadable or missing decals with new ones before operating the machine. Make sure replacement parts include warning decals where necessary. INT-1-3-4 ! CAUTION Hazardous Atmospheres This machine is designed for use in normal out door atmospheric conditions. It should not be used in an enclosed area without adequate ventilation. Do not use the machine in a potentially explosive atmosphere, ie. combustible vapours, gas or dust, without first consulting your JCB Distributor. INT-2-1-14 Do not work with the machine until you are sure that you can control it. Do not start any job until you are sure that you and those around you will be safe. If you are unsure of anything, about the machine or the job, ask someone who knows. Do not assume anything. Remember BE CAREFUL BE ALERT BE SAFE INT-1-31/1 ! WARNING Clothing You can be injured if you do not wear proper clothing. Loose clothing can get caught in the machinery. Wear protective clothing to suit the job. Examples of protective clothing are: a hard hat, safety shoes, safety glasses, a well-fitting overall, ear-protectors and industrial gloves. Keep cuffs fastened. Do not wear a necktie or scarf. Keep long hair restrained. INT-1-3-6 ! WARNING 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. INT-1-3-5 ! DANGER Lightning Lightning can kill you. Do not use the machine if there is lightning in your area. 5-1-1-2 ! WARNING Raised Boom A raised boom can fall or be lowered accidentally. Do not walk under a raised boom which is not fitted with a safety strut, or you could be injured. 5-1-1-1 ! WARNING Lifting Equipment You can be injured if you use faulty lifting equipment. Make sure that lifting equipment is in good condition. Make sure that lifting tackle complies with all local regulations and is suitable for the job. Make sure the lifting equipment is strong enough for the job. INT-1-3-7 8170-1 Purchased from www.WorkshopManuals.co.uk

4 4 INTRODUCTION SAFETY CHECK LIST (continued) Operating Safety ! WARNING Practice You and others can be killed or seriously injured if you do unfamiliar operations without first practising them. Practice away from the work site on a clear area. Keep other people away. Do not perform new operations until you are sure you can do them safely. INT-2-1-1 ! WARNING Machine Condition A defective machine can injure you or others. Do not operate a machine which is defective or has missing parts. Make sure the maintenance procedures in this handbook are completed before using the machine. INT-2-1-2 ! WARNING Machine Limits Operating the machine beyond its design limits can damage the machine, it can also be dangerous. Do not operate the machine outside its limits. Do not try to upgrade the machine performance with unapproved modifications. INT-2-1-4 ! CAUTION Work Site Work sites can be hazardous. Inspect the site before working on it. Check for potholes, weak ground, hidden rocks etc. Check for utilities (electric cables, gas and water pipes etc.) Mark the positions of underground cables and pipes. Make sure you have enough clearance beneath overhead cables and structures. See Working With the Loadall (OPERATION section) for more information about the danger of electrical cables. 5-1-3-1/1 ! DANGER Sparks Explosions and fire can be caused by sparks from the exhaust or the electrical system. Do not use the machine in closed areas where there is flammable material, vapour or dust. INT-2-2-10 ! WARNING Safe Working Loads Overloading the machine can damage it and make it unstable. Study the lifting and/or digging specifications in this handbook before using the attachments INT-2-2-11/1 ! WARNING ROPS/FOPS Structure The machine is fitted with a Roll Over Protection Structure (ROPS) and a Falling Objects Protection Structure (FOPS). You could be killed or seriously injured if you operate the machine with a damaged or missing ROPS/FOPS. If the ROPS/FOPS has been in an accident, do not use the machine until the structure has been renewed. Modifications and repairs that are not approved by the manufacturer may be dangerous and will invalidate the ROPS/FOPS certification. INT-2-1-9/3 ! WARNING Engine/Steering Failure If the engine or steering fails, stop the machine as quickly as possible. Do not operate the machine until the fault has been corrected. INT-2-1-5 ! WARNING Passengers Passengers in or on the machine can cause accidents. The JCB Loadall is a one man machine. Do not carry passengers. INT-2-2-2 ! WARNING Exhaust Gases Breathing the machine exhaust gases can harm and possibly kill you. Do not operate the machine in closed spaces without making sure there is good ventilation. If possible, fit an exhaust extension. If you begin to feel drowsy, stop the machine at once. Get out of the cab into fresh air. INT-2-1-10 ! WARNING Communications Bad communications can cause accidents. Keep people around you informed of what you will be doing. If you will be working with other people, make sure any hand signals that may be used are understood by everybody. Work sites can be noisy, do not rely on spoken commands. INT-2-2-3 ! WARNING Visibility Accidents can be caused by working in poor visibility. Keep windows clean and use your lights to improve visibility. Do not operate the machine if you can not see properly. INT-2-1-11 8170-1 Purchased from www.WorkshopManuals.co.uk

5 5 INTRODUCTION SAFETY CHECK LIST (continued) ! WARNING Scaffolding Overloaded scaffolding can collapse. Never load scaffolding beyond the regulation capacity. 5-1-4-6 ! DANGER Forks/Working Platform Using the forks alone as a working platform is hazardous; you can fall off and be killed or injured. Never use the forks as a working platform. 5-1-5-3 ! CAUTION Regulations Obey all laws, work site and local regulations which affect you or your machine. INT-1-3-3 Maintenance Safety ! WARNING Repairs Do not try to do repairs or any other type of maintenance work you do not understand. Get a Service Manual from your JCB distributor, or get the work done by a specialist engineer. INT-3-1-1 ! WARNING Modifications and Welding Non-approved modifications can cause injury and damage. Parts of the machine are made from cast iron; welds on cast iron can weaken the structure and break. Do not weld cast iron. Contact your JCB distributor for advice before modifying the machine. INT-3-1-2/1 ! WARNING Metal Splinters You can be injured by flying metal splinters when driving metal pins in or out. Use a soft-faced hammer or drift to remove and fit metal pins. Always wear safety glasses. INT-3-1-3 ! WARNING Asbestos Asbestos dust can damage your lungs. Some engine gaskets contain asbestos. Do not dismantle the engine or exhaust system; get these jobs done by a qualified person who has a copy of the engine service manual. 5-1-6-1 ! WARNING Forks/Turning The forks extend beyond the end of the boom. Make sure there is enough clearance for the forks when making turns. 5-1-5-4 ! WARNING Fires If your machine is equipped with a fire extinguisher, make sure it is checked regularly. Keep it in the operator's cab until you need to use it. Do not use water to put out a machine fire, you could spread an oil fire or get a shock from an electrical fire. Use carbon dioxide, dry chemical or foam extinguishers. Contact your nearest fire department as quickly as possible. Firefighters should use self-contained breathing apparatus INT-3-2-7/1 ! WARNING Boom Safety Strut A raised boom can drop suddenly and cause serious injury. Before working under a raised boom, fit the boom safety strut. See Boom Safety Strut (MAINTENANCE section). 5-1-5-7 ! WARNING Communications Bad communications can cause accidents. If two or more people are working on the machine, make sure each is aware of what the others are doing. Before starting the engine make sure the others are clear of danger areas; examples of danger areas are: the rotating blades and belt on the engine, the attachments and linkages, and anywhere beneath or behind the machine. People can be killed or injured if these precautions are not taken. INT-3-1-5 ! WARNING Oil Oil is toxic. If you swallow any oil, do not induce vomiting, seek medical advice. Used engine oil contains harmful contaminants which can cause skin cancer. Do not handle used engine oil more than necessary. Always use barrier cream or wear gloves to prevent skin contact. Wash skin contaminated with oil thoroughly in warm soapy water. Do not use petrol, diesel fuel or paraffin to clean your skin. INT-3-2-3 ! WARNING Counterweights Your machine may be fitted with counterweights. They are extremely heavy. Do not attempt to remove them. INT-3-2-5 8170-1 Purchased from www.WorkshopManuals.co.uk

6 6 INTRODUCTION SAFETY CHECK LIST (continued) ! WARNING Hydraulic Fluid Fine jets of hydraulic fluid at high pressure can penetrate the skin. Do not use your fingers to check for hydraulic fluid leaks. Do not put your face close to suspected leaks. Hold a piece of cardboard close to suspected leaks and then inspect the cardboard for signs of hydraulic fluid. If hydraulic fluid penetrates your skin, get medical help immediately. INT-3-1-10/1 ! WARNING Hydraulic Pressure Hydraulic fluid at system pressure can injure you. Before disconnecting or connecting hydraulic hoses, stop the engine and operate the controls to release pressure trapped in the hoses. Make sure the engine cannot be started while the hoses are open. INT-3-1-11/1 ! WARNING Jacking A machine can roll off jacks and crush you unless the wheels have been chocked. Always chock the wheels at the opposite end of the machine that is to be jacked. Do not work underneath a machine supported only by jacks. Always support a jacked-up machine on axle stands before working underneath it. INT-3-2-8 ! WARNING Hydraulic Hoses Damaged hoses can cause fatal accidents. Inspect the hoses regularly for: Damaged end fittings Chafed outer covers Ballooned outer covers Kinked or crushed hoses Embedded armouring in outer covers Displaced end fittings. INT-3-3-2 ! WARNING Petrol Do not use petrol in this machine. Do not mix petrol with the diesel fuel; in storage tanks the petrol will rise to the top and form flammable vapours. INT-3-1-6 ! CAUTION Cleaning Cleaning metal parts with incorrect solvents can cause corrosion. Use only recommended cleaning agents and solvents. INT-3-2-11 ! WARNING Fluoroelastomeric Materials Certain seals and gaskets (e.g. crankshaft oil seal) on JCB machines contain fluoroelastomeric materials such as Viton, Fluorel and Technoflon. Fluoroelastomeric materials subjected to high temperatures can produce highly corrosive hydrofluoric acid. THIS ACID CAN SEVERELY BURN. New fluoroelastomeric components at ambient temperature require no special safety precautions. Used fluoroelastomeric components whose temperatures have not exceeded 300°C require no special safety precautions. If evidence of decomposition (e.g. charring) is found, refer to the next paragraph for safety instructions DO NOT TOUCH COMPONENT OR SURROUNDING AREA. Used fluoroelastomeric components subjected to temperatures greater than 300°C (e.g. engine fire) must be treated using the following safety procedure. Make sure that heavy duty gloves and special safety glasses are worn: 1 Ensure that components have cooled then remove and place material into plastic bags. 2 Thoroughly wash contaminated area with 10% calcium hydroxide or other suitable alkali solution, if necessary use wire wool to remove burnt remains. 3 Thoroughly wash contaminated area with detergent and water. 4 Contain all removed material, gloves etc. used in this operation in sealed plastic bags and dispose of in accordance with Local Authority Regulations. DO NOT BURN FLUOROELASTOMERIC MATERIALS. If contamination of skin or eyes occurs, wash the affected area with a continuous supply of clean water or with calcium hydroxide solution for 15-60 minutes. Get medical attention immediately. INT-3-3-5/1 ! CAUTION 'O' rings, Seals and Gaskets Badly fitted, damaged or rotted 'O' rings, seals and gaskets can cause leakages and possible accidents. Renew whenever disturbed unless otherwise instructed. Do not use Triochloroethane or paint thinners near 'O' rings and seals. INT-3-2-12 ! CAUTION Machine Modifications This machine is manufactured in compliance with legislative and other requirements. It should not be altered in any way which could affect or invalidate any of these requirements. For advice consult your JCB Distributor. Reference should also be made to Optional Attachments section where appropriate. INT-1-3-10 8170-2 Purchased from www.WorkshopManuals.co.uk

JCB 520-50/525-50/525-50S (Loadall)-Operator Handbook

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