JCB 200 Series Backhoe Loader (3CX, 1400B, 1550B, 1700B) Service Manual (9803/3257U)

JCB 200 Series Backhoe Loader Service Manual (3CX - 1400B - 1550B - 1700B) (9803/3257U)

This factory service manual provides complete technical coverage for JCB 200 Series backhoe loaders, including the 3CX, 1400B, 1550B and 1700B models. It contains detailed diagnostic workflows, hydraulic and electrical schematics, transmission servicing, driveline overhaul, steering and brake repair instructions, attachment maintenance, and system calibration procedures used throughout the JCB 200 Series production range.

Model Covers:

JCB 3CX Backhoe Loader
JCB 1400B Backhoe Loader
JCB 1550B Backhoe Loader
JCB 1700B Backhoe Loader
Applicable from Machine No. 337001 onwards.

File Format: PDF

Size: 146.83 MB

No. of pages: 515

Language: English

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

📑 Table of Contents Overview:

Attachments

• Roadbreaker circuits, flow regulator valves and auxiliary valves
• Patch planer assembly and operation
• Attachment hydraulic circuits and testing procedures

Alternator & Charging System

• Alternator description, testing and replacement
• Belt tension specifications and charging circuit flow

Front Axles

• 2WD and 4WD axle dismantling and assembly
• Crownwheel and pinion adjustment, pinion depth and oil seal renewal
• Differential overhaul, bearing preload and backlash settings
• Hub and driveshaft assembly procedures
• Technical data and tyre specifications

Rear Axles

• Rear axle dismantling and assembly
• Differential gears, bearing preload and crownwheel alignment
• Pinion depth, oil seal renewal and lubrication checks
• Drivehead service and inspection

Brake Systems

• Brake bleeding procedures for servo and non-servo configurations
• Service brake overhaul and piston seal leakage test
• Parking brake adjustment and pad renewal
• Fault finding charts and technical specifications

Battery & Electrical Systems

• Battery testing and maintenance
• Electrical circuits: pictorial and schematic
• Instrument panels, switches, relays and control modules
• Starter, charging system, ESOS and thermostat operations
• Fuses, wiring codes and electrical fault finding

Engine Systems

• Air filter and pre-cleaner service
• Cooling system and fan belt adjustments
• Fuel filter, lift pump, sediment bowl, and system bleeding
• Oil filter, oil level checks and lubrication data

Hydraulic Systems

• Hydraulic circuits for loader and excavator systems
• Relief valves, ARVs and check valves: dismantling and assembly
• Hydraulic schematic interpretation and system operation
• Pump testing, pressure and flow performance tests
• Spool valves, hydraclamp and pilot circuits
• Extending dipper wear pad adjustment and lubrication
• Loader valve block and unloader valve servicing
• Hose burst protection valves and stabiliser valve service

Hydraulic Steering

• Hydraulic steering circuit operation and schematics
• Orbitrol valve overhaul and steering pump service
• Steering ram dismantling, assembly and pressure testing
• Technical data for all steering configurations

Kingpost and Carriage (Sideshift)

• Dismantling and assembly procedures
• Loader arm safety strut installation and removal

Transmission Systems

• Syncro Shuttle transmission assembly and dismantling
• Clutch operation, dump controls and fault finding
• Four-wheel-drive control cable and FWD unit servicing
• Torque converter removal, replacement and technical data
• Reverser units (earlier and later types): assembly and repair
• Solenoid valve testing and dismantling
• PTFE piston ring seal installation
• Pressure and flow testing methods

Rams and Slew Systems

• Excavator, loader and slew cylinder operation and overhaul
• Slew gearbox servicing, oil checks and water drainage
• Stabiliser check valve dismantling and relief valve integration

Lubrication & Service Schedules

• Lubricants and capacity charts
• Greasing points, intervals and recommended practices
• Service tools listing and application

Technical Data & Torque Settings

• Standard fasteners and tightening torques
• Tyre data and axle configurations
• Towing procedures and safety operations
• Sealants and retaining compounds

This manual serves as a complete diagnostic and overhaul reference for JCB 200 Series backhoe loaders, supporting accurate system servicing and full machine restoration.