JCB 506-36, 507-42, 509-42, 510-56, 512-56 Service Manual 9803/3740-08

JCB 506-36, 507-42, 509-42, 510-56, 512-56 Loadall Service Manual 9803/3740-08

This detailed service manual provides extensive diagnostic procedures, repair guidance, and maintenance protocols for the JCB Loadall 506-36, 507-42, 509-42, 510-56, and 512-56 machines. Covering critical systems including hydraulics, electrics, brakes, engine, transmission, steering, and electronic diagnostics, this manual ensures safe, efficient service for all variants in the 5C Loadall series.

Model Covers:

JCB 506-36 (Model Code D)
JCB 507-42 (Model Code E)
JCB 509-42 (Model Code F)
JCB 510-56 (Model Code G)
JCB 512-56 (Model Code H)

File Format: PDF

Size: 77.79 MB

No. of pages: 1228

Language: English

Delivery Method: Instant Download – Access your file immediately after purchase.

📑 Included Sections:

General Information

• Applications and machine variants
• Component identification (engine, transmission, ROPS/FOPS)
• Torque settings, fitting procedures for hydraulic connectors
• Special tools and service consumables
• Fuel compatibility and additive guidelines

Care and Safety

• Maintenance and operator safety guidelines
• Hydraulic hose procedures and contamination control
• Battery connection and charging safety
• Hydraulic ram handling and inspection protocols

Routine Maintenance

• Lubrication, fluid charts, and service intervals
• Inspection points for tyres, seat belts, hydraulic systems
• Boom chains and wear pad checks
• Cooling, electrical, brakes, filters, greasing schedules

Body and Framework

• Cab HVAC and air conditioning systems diagnostics
• Cab, glazing, wiper motors, roof liner and door removal
• Fuel tank, engine cover, stabilizers, and boom systems
• RAS and interlock system operation and diagnostics

Electrical System

• Fuses, relays, harness routing and schematics
• Battery system, alternator testing, diode checks
• Charging circuit diagnostics, connector location
• Servicemaster interface, ECU resets, blink codes

Hydraulic System

• Complete schematics for each model variant
• Flowshare, parallel and servo valve system operation
• Test procedures, pressure checks, valve disassembly
• Ram replacement (tilt, sway, lift, RAS, stabilizer)

Transmission

• Axle configurations, propshafts, speed sensors
• Gearbox operation (PS750, PS750 Mk IV)
• Torque converter diagnostics, flushing procedures
• Bevel gearbox, oil cooler, clutch systems

Brake System

• Single/twin axle brake operation and testing
• Vacuum tests, bleeding procedures, pad renewal
• Park brake, caliper overhaul, switch calibration

Steering

• Steer valve, hydraulic steering unit, priority valve
• Bleeding, test procedures, steering column and switches

Engine

• Start/stop systems, glow plug operation, cooling pack
• JCB Dieselmax engine: removal, inspection, installation
• Throttle pedal adjustment, coolant tank, silencers

Electronic Data Systems

• CANbus operation and schematics
• Loadall Monitoring System fault codes and resets
• Servicemaster usage and setup (ECU reprogramming)
• RAS diagnostics, LMS setup tools, DLA drivers

This JCB Loadall service manual is an indispensable tool for technicians servicing the 506-36, 507-42, 509-42, 510-56, and 512-56 models. Packed with wiring schematics, hydraulic flow diagrams, torque specs, and electronic diagnostics, it enables fast, safe and accurate service operations.