JCB JS85 Tracked Excavator Service Manual

JCB JS85 Service Manual for the JS Auto Range tracked excavator, providing detailed workshop information for servicing, maintenance, fault diagnosis and repair of the complete machine.

This comprehensive JCB JS85 Service Manual contains 865 pages of manufacturer technical information. It covers the engine, hydraulic system, electrical equipment, transmission, body and framework, tracks and running gear. The manual is suitable for owners, operators, engineers and workshop technicians maintaining or repairing the JCB JS85 excavator.

The information is divided into clearly arranged sections, making it easier to locate the correct specifications, adjustments and repair procedures.

Manual contents include:

Section 1 – General Information

• Machine identification information
• General safety precautions
• Workshop practices
• Service tools and equipment
• Technical data and specifications
• Torque settings
• Routine maintenance information
• Lubricants and recommended fluids

Section 2 – Operator’s Manual

• Machine controls and instruments
• Safety instructions
• Starting and stopping procedures
• Excavator operating instructions
• Daily checks
• Routine servicing
• Machine storage
• Transport and towing information

Section B – Body and Framework

• Main frame and upper structure
• Operator’s cab
• Doors, glazing and panels
• Seats and interior fittings
• Boom and dipper components
• Counterweight
• Access covers
• Removal and installation procedures
• Inspection and repair information

Section C – Electrics

• Electrical system description
• Wiring and circuit information
• Batteries
• Starter motor
• Alternator and charging system
• Switches and controls
• Instruments and warning systems
• Lighting equipment
• Electrical testing
• Fault diagnosis
• Component removal and replacement

Section E – Hydraulics

• Hydraulic system operation
• Hydraulic circuit information
• Main hydraulic pump
• Control valves
• Hydraulic cylinders
• Slew system
• Travel system
• Pilot controls
• Hydraulic hoses and connections
• Pressure testing
• System adjustments
• Hydraulic fault-finding
• Component repair and replacement

Section F – Transmission

• Transmission system description
• Travel motors
• Reduction gear units
• Final drive components
• Drive system inspection
• Dismantling and reassembly
• Service limits
• Technical settings
• Removal and installation procedures

Section J – Track and Running Gear

• Track assemblies
• Track adjustment
• Track tensioning
• Rollers
• Idlers
• Sprockets
• Track links and shoes
• Undercarriage inspection
• Wear limits
• Running gear servicing
• Removal and fitting procedures

Section K – Engine

• Engine technical information
• Fuel system
• Air intake system
• Exhaust system
• Cooling system
• Lubrication system
• Starting and charging equipment
• Engine adjustments
• Fault diagnosis
• Engine removal and installation
• Inspection and overhaul procedures
• Specifications and service limits

The JCB JS85 Service Manual includes diagrams, illustrations, specifications and step-by-step workshop procedures. These provide guidance for dismantling, inspecting, repairing, adjusting and reassembling the major machine systems and components.

The hydraulic section provides useful information for diagnosing operating problems, testing pressures and repairing pumps, control valves and cylinders. The electrical section assists with tracing wiring faults and testing the starting, charging, lighting and warning systems.

Detailed track and running gear information is included for checking wear, adjusting track tension and servicing the rollers, idlers, sprockets and related undercarriage components. The engine section contains servicing, adjustment and repair information for the power unit and its associated systems.

Manual details:

• Manufacturer: JCB
• Model: JS85
• Machine range: JS Auto Range
• Machine type: Tracked excavator
• Manual type: Service and workshop manual
• Publication number: 9813/3750-01
• Publication year: 2004
• Number of pages: 865
• Language: English
• Format: Digital PDF manual

This manual is a valuable technical reference for scheduled servicing, fault investigation, component replacement and complete workshop repairs. Using the correct manufacturer procedures and specifications can help prevent incorrect assembly, unnecessary dismantling and damage to expensive components.

Please check that JS85 and publication number 9813/3750-01 are suitable for your excavator before ordering. The exact machine model and serial number should normally be found on the identification plate.

This is a digital PDF manual. After purchase, an instruction document is available from your order. The complete manual is supplied separately by secure Filemail download link, normally within one hour during UK daytime hours.