JCB ROBOT 185, 1105 Skidsteer Loader Service Manual (9803/8510)

JCB ROBOT 185, 1105 Skidsteer Loader Service Manual (9803/8510)

This service manual provides complete technical instructions for the JCB ROBOT 185 and 1105 skidsteer loaders. It covers diagnostics, maintenance, hydraulic schematics, transmission servicing, electrical troubleshooting, and component replacement procedures for professional workshop operations.

Model Covers:

JCB ROBOT 185, ROBOT 1105

File Format: PDF

Size: 19.86 MB

No. of pages: 227

Language: English

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

📑 Key Technical Sections:

General Information

Includes machine identification, torque settings, service tools, sealing compounds, and system references.

Care and Safety

General and site-specific safety guidance, safety decals, emergency operations, and maintenance best practices.

Routine Maintenance

Service intervals, greasing, fluid types and capacities, belt and filter checks, wheel and tyre inspections, and lubrication charts.

Attachments

Quick couplings, shovel and fork compatibility, hose management, connection/disconnection, and problem-solving for high-flow circuits.

Body and Framework

Cab floor, glazing, door, loader arm, and seat removal/replacement procedures.

Electrics

Wiring diagrams, fuse/relay locations, multimeter diagnostics, alternator, starter motor, battery testing, and circuit-specific schematics by serial number.

Controls

Restraint bar mechanisms, joystick operation, safety interlock calibration, and locking systems.

Hydraulic System

Pumps, solenoids, loader valve operation, schematic diagrams by model range, filter service, oil quality, contamination standards, cylinder rams, accumulator, and servo joystick service.

Transmission

Wheel hubs, sprockets, tyres, chain tension, oil levels and adjustment, with related dismantling instructions.

Braking System

Towing and winching procedures. Mechanical service covered in hydraulic section.

Engine Overview

Perkins 1004-4HR and 1004-42AR engine variants. Includes removal and installation procedures. Full overhaul covered in separate engine service manuals.

Note:

• Robot 185 & 1105 with Perkins 1004-4HR naturally aspirated engines, codes AA50530 and AA50688. For detailed technical specifications, please refer to the Engine Service Manual No. 9806/0100.
• Robot 185 with a Perkins 1004-42AR (75 hp) naturally aspirated engine, code AR50679, and Robot 1105 with a Perkins 1004-42AR (80 hp) naturally aspirated engine, code AR50674. For further technical information, consult the Engine Service Manual No. 9806/2140.

This manual is ideal for skilled technicians performing diagnostics, repairs, and maintenance on JCB ROBOT 185 and 1105 series skidsteer loaders.