JCB Loadalls 520-50, 525-50, 525-50S Service Manual PDF

All construction and agricultural equipment can be hazardous. When a JCB machine is correctly operated and properly maintained, it is a safe machine to work with. But when it is carelessly operated or poorly maintained it can become a danger to you (the operator) and others.

This pdf service manual describes how to operate, use and maintain the JCB Loadalls 520-50, 525-50, 525-50S. Provided that the instructions contained in this service repair manual are carefully observed, you can avoid often unnecessary breakdowns and injuries, thereby ensuring long-term and reliable performance of the equipment.

This pdf manual contains service and repair information, routine maintenance instructions, many illustrations, electrical diagrams, hydraulic harness, that will help you troubleshoot breakdowns and malfunctions in the respective systems of technology.

This service manual comes in PDF format and works with application Adobe PDF Reader. We recommend exactly this application, in order to be sure that all pictures, files, and imagines will open and work. If you print this service workshop manual, you should arrange this service book near your machine, and contact it as necessary.

Publication No. 9803/3620 Issue 9

Models covered:
520-50 from Serial No. 754001
525-50 from Serial No. 789308
525-50S from Serial No. 1037581

Contents:

• Section 1 - General Information
  • Identification
  • Torque Settings
  • Service Tools
  • Sealing and Retaining Compounds
• Section 2 - Care & Safety
  • Safety Notices
  • General safety
  • Operating safety
  • Maintenance safety
  • Lubricants - Health and Safety
• Section 3 - Routine Maintenance
  • Lubricants & Capacities
  • Machine Safety
  • Service Schedules
  • Grease
  • Oiling
  • Boom Wear Pads
  • Tires and Wheels
  • Engine Air Filter
  • Engine Oil and Filter
  • Engine Cooling System
  • Cab Heater Filter
  • Fuel System
  • Transmission
  • Axles
  • Front and Rear Hub
  • Hydraulic System
  • Hose Burst Protection Valves
  • Battery
• Section B - Body & Framework
  • Cab
  • Tanks
  • Boom
• Section C - Electrics
  • Technical Data
  • Test Methods
  • Schematics
  • Description
  • Batteries
  • Alternator
  • Starter Motor
  • Safe Load Indicator
• Section E - Hydraulics
  • Technical Data
  • Schematics
  • Fault Finding
  • Pump
  • Valves
  • Rams
• Section F - Transmissions
  • Technical Data
  • Towing Procedure
  • Fault Finding
  • Torque Converter
  • Syncro Shuttle
  • Reverser Unit
  • Forward/reverse Selector Valve
  • Syncro Shuttle
  • Front Axle
  • Rear Axle
  • Front and Rear Axles
  • Propshafts
• Section G - Brakes
  • Technical Data
  • Descriptions
  • Parking Brake
  • Brake System
  • Foot Brake Valve
  • Charge/Priority Valve
• Section H - Steering
  • Technical Data
  • Circuit Description
  • Service Procedures
  • Steer Mode Valve
  • Valves
  • Bleeding Procedure
• Section K - Engine
  • Technical Data
  • Standard Procedures