Part of the JCB Repair Manuals.
Need the exact repair procedures for your JCB wheeled loader? This 590-page JCB WLS 432ZX, 432ZX, 6BTAA 5.9 150C service manual PDF (OEM #9813/0800-5) breaks down the complete powertrain, hydraulic, and electrical systems. Full wiring diagrams trace electrical faults, step-by-step diagnostic charts cover the powershift transmission, and detailed technical data and specifications back the Cummins engine. Open up the troubleshooting section to quickly isolate pressure drops through the loader valves and steering block. Verify the main hydraulic system operating pressure hits 315 bar, and torque the engine sump drain plug to exactly 75 Nm before putting it back in the dirt. Guessing at transmission faults wastes shop hours. Download this bookmarked file, open it on your tablet right next to the machine, and turn some wrenches.
What's Inside This Manual
| System | Pages | Key Topics |
|---|---|---|
| Care and Safety | 46-61 | Important Information, Safety Check List, Operating Safety, Maintenance Safety |
| Routine Maintenance | 62-125 | Service Requirements, Initial Service and Inspection, Health and Safety, Battery, Service Schedules, Pre-Start Cold Checks, Service Points and Fluid Levels |
| Body and Framework | 126-185 | Cab, Centre Pivot, Installation, Articulation Bump Stop, Service Procedures, Refrigerant Charging and Discharging, Pressure Switch Assembly, Condenser |
| Electrics | 186-235 | Technical Data, Service Procedures, Measuring DC Voltage, Measuring Continuity, Testing a Diode or a Diode Wire, Battery, Testing a Battery, Specific Gravity Testing |
| Hydraulics | 236-329 | Technical Data, Loader Valve (From 2186067), Basic System and Operation, Introduction to Hydraulic Schematic Symbols, Control Valves, Example of Schematic Circuit |
| Transmission | 330-513 | Towing Procedure, Powershift Transmission, Disassembly and Assembly, Disassembly, Assembly, Independent Calibration of the Shifting Elements (Aeb), Aeb Calibration Procedure |
| Brakes | 514-540 | Technical Data, Service Brake Circuits, Valves and Pedals, Feeder Block, Brake Pump, System Testing, Remote Test Point, Service Brake |
| Steering | 541-582 | Technical Data, General Description, Descriptions, Steering Valve - Operation 2 (Right Hand Turn), Steering Valve - Operation 3 (Left Hand Turn), Steering Shock Valve |
| Engine | 583-590 | Technical Data, Specifications, Accelerator Pedal |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Wheel Nut Torques | 600-580Nm | p. 123 |
| Engine Sump Drain Plug Torque | 75 Nm (55 ft-lbs) | p. 104 |
| Hydraulic System Operating Pressure (max) (To 2186066) | 315 bar | p. 240 |
| Air Cleaner Outer Element Replacement | renewed immediately if the warning light on the instrument panel illuminates | p. 108 |
| Air Cleaner Inner Element Replacement | renewed every other time the outer-element is replaced | p. 109 |
| Engine Oil and Filter Change Interval | Every 250 Hrs | p. 78 |
| Hydraulic Filter Element Cover Nuts Torque | 7 Nm (5 lbf ft) | p. 116 |
| Hydraulic Filter Filtration Size | 10 Micron | p. 241 |
| Coolant Change Interval | Every 2000 Hrs | p. 78 |
| Coolant Fill Rate (Cooling-Pack) | 10 litres per minute | p. 168 |
| BSP Hose Torque Setting (1/4 inch) | 24.0 - 27.0 Nm | p. 17 |
| Drive Belt Adjustment | no adjustment required (automatically tensioned) | p. 107 |
