This is the full JCB factory service manual (publication 9823-0550) for the Tier 4 Final Loadall range: 531-70, 535-95, 536-60, 536-70, 536-70LP, 541-70, 550-80 and the 6-tonne 560-80. At 3,630 pages it is the most comprehensive of the Loadall service manuals, built around the JCB Ecomax Tier 4 Final diesel. It carries the dealer-level diagnostics, removal and refit procedures, boom and lift-arm wear-pad clearances, torque figures, and the full hydraulic and electrical schematic circuits for every section: general information, routine maintenance, the boom and body, electrics, the load-sensing hydraulics, transmission, axles, brakes, steering, engine and the CANbus electronic data systems. It is the manual to reach for to fault-find a boom, drive, outrigger or electrical problem on the larger, later Loadalls properly.
What's Inside This JCB 531-70 to 560-80 Manual
| System | Pages | Key Topics |
|---|---|---|
| General Information | Applications, Use, Machine Identification, Torque Settings, Service Tools, Service Consumables | |
| Care and Safety | Safety Notices, General Procedures | |
| Routine Maintenance | Service Schedules - Machines with Sd and Sf Engines, Fluids, Lubricants and Capacities, Inspection, Greasing, Electrical System, Engine Air Filter | |
| Body and Framework | Fork Carriage, Cab Heating and Ventilation System, Load Moment Indicator (Lmi) System, Fuel Tank, Boom, Stabilisers | |
| Electrics | Fuses and Relays, Schematics, Battery Charging System, Alternator, Machine Control ECU (S1), Machine Control ECU (S2) | |
| Hydraulics | Systems and Schematics, Lsp Gearpump Hydraulic System, Smooth Ride System (SRS) Lsp, Main Pump - Variflow, Cooling Fan Motor, Lift Rams | |
| Transmission | Configuration, Wheels and Tyres, PS750 Gearbox System, Lock Up Torque Converter System, Dual Control System (S1), Torque Converter | |
| Brakes | Single Axle Service Brakes System, External Park Brake System, Park Brake Caliper, Park Brake Disc, Master Cylinder, Fluid Reservoir | |
| Steering | Steering System, Manual Steer Mode System, Auto Steer Mode System, Hydraulic Steering Unit, Power Track Rod, Steering Column | |
| Engine | Stop and Start System (Mechanical F.I. Engines), Cold Start Heater System, Starter Motor, Cooling Pack - Non Intercooled, Coolant Expansion Tank, JCB Dieselmax Engine (Mechanical F.I.) | |
| Electronic Data Systems | CANbus System, Loadall Monitoring System, Fault Code System, Servicemaster System, Electronic Control Unit Theory, Pulse Width Modulation Theory |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Models covered | 531-70, 535-95, 536-60, 536-70, 536-70LP, 541-70, 550-80, 560-80 | |
| Engine | JCB Ecomax 4-cylinder turbo-diesel, Tier 4 Final | |
| Transmission | Powershift transmission | |
| Lift-arm front wear-pad clearance | 3 mm (2-stage, 2-section) | |
| Lift-arm rear wear-pad clearance | 1.5 mm (2-stage, 2-section) | |
| Top capacity / reach | up to 6.0 t and 8 m on the 560-80 | |
| Manual pages | 3630 |
JCB 531-70 to 560-80 Common Problems This Manual Covers
Machine will not start, starts intermittently, or dies under load
Work the fuel system: check for blocked filters and air in the lines, drain the water separator, and test delivery, then read the engine fault codes. On the Tier 4 Final engine an after-treatment or sensor fault can also derate or stall it, so confirm the codes before tearing into the injection system.
Manual Section: EngineBoom or lift functions are slow, erratic, or lose power
Check hydraulic oil level and condition and renew a clogged filter, then flow- and pressure-test the pump and the load-sense settings. Slow or erratic boom movement is usually low or contaminated oil or a worn pump rather than the rams, and the hydraulic schematic walks the test sequence.
Manual Section: HydraulicsTransmission will not engage, slips, or the machine will not drive
Confirm the transmission oil grade and level and check it is not burnt, then read the transmission pressures and selector-solenoid signals. A no-drive or slipping condition is usually low or wrong oil or a charge-pressure or solenoid fault before internal wear.
Manual Section: Transmission4WD, steering, or braking performance becomes inconsistent
Trace it to the hydraulic supply and the axle and prop-shaft: check brake wear and the priority/steering circuit pressures, and inspect the drive line. Inconsistent 4WD, steer or brake feel usually comes back to a hydraulic supply loss or axle/prop-shaft wear.
Manual Section: SteeringOutriggers, stabilisers, or boom-lock functions fail to operate
Read the fault codes and check the electrical interlocks and the solenoid valves with the schematic. Failed outrigger, stabiliser or boom-lock functions are usually an interlock switch or solenoid-valve fault rather than the cylinders themselves.
Manual Section: ElectricsFrequently Asked Questions
Which JCB Loadall models does this manual cover?
The Tier 4 Final Loadall range: 531-70, 535-95, 536-60, 536-70, 536-70LP, 541-70, 550-80 and the 6-tonne 560-80 (publication 9823-0550).
Which engine does this generation use?
The JCB Ecomax 4-cylinder Tier 4 Final diesel. This is the later, emissions-controlled generation of the Loadall, so the manual covers its after-treatment and diagnostics.
How do I read or reset a fault code?
The Electrics and Electronic Data Systems sections cover the CANbus diagnostics and the fault-code read and reset procedures across the range, so you can clear a stored code or service reminder yourself.
My outriggers or boom lock will not work. Where does the manual point me?
To the electrical interlocks and solenoid valves: reading the fault codes and using the schematic to confirm the interlock switches and solenoids that control the outrigger, stabiliser and boom-lock functions.
Does it include wiring and hydraulic circuit diagrams?
Yes. The Electrics section carries the wiring schematics and the Hydraulics section the systems and schematic circuits, with component locations and fault-finding.
Does it give the boom wear-pad clearances?
Yes. The manual specifies them, including the 3 mm front and 1.5 mm rear lift-arm wear-pad clearances on the 2-stage, 2-section booms, with the shimming procedure.
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