JCB 802 802.4 802 Super Service Manual provides detailed workshop, maintenance and repair information for JCB compact excavators. This 293-page manual covers the JCB 802, JCB 802.4 and JCB 802 Super models and carries publication number 9803/3140, Issue 4.
The JCB 802 802.4 802 Super Service Manual is suitable for technicians, plant engineers, repair workshops and owners maintaining these JCB excavators. It contains technical information for routine servicing, fault diagnosis, adjustment, dismantling, component inspection, repair and reassembly.
Models covered:
• JCB 802
• JCB 802.4
• JCB 802 Super
Manual contents:
• General Information
• Care and Safety
• Routine Maintenance
• Attachments
• Body and Framework
• Electrics
• Controls
• Hydraulics
• Gearboxes
• Track and Running Gear
• Engine
General Information
This section provides introductory workshop information, machine identification details and general service guidance. It helps users understand the layout of the machine and the correct procedures required before starting repair work.
Care and Safety
The care and safety section explains important precautions for working on the excavator. It covers safe workshop practices, lifting and supporting the machine, hydraulic safety and general precautions when servicing mechanical and electrical systems.
Routine Maintenance
The routine maintenance section provides servicing information designed to help keep the excavator operating reliably. It supports scheduled inspections, lubrication, fluid replacement and general maintenance.
Routine checks may include:
• Engine oil and filters
• Hydraulic oil and filters
• Cooling system
• Fuel system
• Battery and electrical connections
• Tracks and undercarriage
• Pins, bushes and pivot points
• Hydraulic hoses and fittings
• General fasteners and mountings
Attachments
The attachments section contains service information for compatible equipment fitted to the excavator. It can assist with attachment inspection, removal, installation and maintenance.
Body and Framework
This section covers the excavator body, panels, operator area and structural framework. It provides information for removing, inspecting and repairing body and frame components.
Electrics
The electrical section helps with diagnosing faults involving the starting, charging, lighting and wiring systems. It may include component locations, testing information, wiring details, fuses, relays and switches.
Controls
The controls section covers the operating levers, pedals and associated mechanisms. It provides information for inspection, adjustment, dismantling and repair.
Hydraulics
The hydraulic section contains technical information for the systems operating the boom, dipper, bucket, slew and travel functions.
It can assist when investigating:
• Slow hydraulic operation
• Weak digging performance
• Hydraulic oil leaks
• Irregular machine movement
• Overheating
• Reduced travel performance
Information may cover hydraulic pumps, valves, cylinders, hoses, pipes and related components.
Gearboxes
The gearbox section provides service and repair information for the applicable transmission and drive components. It supports dismantling, inspection, component replacement and correct reassembly.
Track and Running Gear
The track and running gear section covers the excavator undercarriage, including tracks, sprockets, idlers, rollers, tensioning components and associated parts.
Regular inspection is important because undercarriage components operate in abrasive and demanding working conditions.
Engine
The engine section contains service and repair information for the engine fitted to the covered machines. It can assist with routine maintenance and the investigation of starting problems, loss of power, excessive smoke, overheating and irregular engine operation.
Manual details:
• Manufacturer: JCB
• Models: 802, 802.4 and 802 Super
• Document type: Service and workshop manual
• Publication number: 9803/3140
• Issue: 4
• Number of pages: 293
• Language: English
• Format: Digital PDF manual
• Publisher: JCB Technical Publications Department
• Printed in England
The JCB 802 802.4 802 Super Service Manual is a valuable workshop reference where the original printed manual is missing, damaged or incomplete. It can assist with scheduled servicing, fault diagnosis, component replacement and major repair work.
After purchase, an instruction PDF will be available through your order. The complete manual will then be supplied electronically using a secure Filemail download link, normally within one hour during working hours.
Please confirm that the model and publication number 9803/3140 are correct for your machine before ordering.
This is a digital PDF manual. No printed book will be posted.




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