CASE IH Farmall 110A, 120A, 125A, 140A Tractor Service Manual

CASE IH FARMALL 110A, FARMALL 120A, FARMALL 125A, FARMALL 140A Tractor Service Manual

This service manual provides a complete guide for the repair, maintenance, and diagnostics of the CASE IH FARMALL 110A, 120A, 125A, and 140A tractors. The manual covers all aspects of tractor systems, including the engine, transmission, four-wheel drive (4WD), hydraulics, brakes, and electrical systems. Detailed procedures for disassembly, inspection, adjustment, and reassembly are included, along with specifications, torque values, and troubleshooting steps to ensure efficient and effective service.

Model Covers:

FARMALL 110A
FARMALL 120A
FARMALL 125A
FARMALL 140A

File Format: PDF

Size: 97.50 MB

No. of pages: 1089

Language: English

Publication: 47377791

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

📑 Included Sections:

Engine

• Engine diagnostics, disassembly, inspection, and reassembly procedures, including the crankcase, cylinder head, and pistons.
• Fuel system maintenance, including the fuel pump, injectors, and fuel filter servicing.
• Cooling system maintenance, including the water pump, radiator, and thermostatic control systems.

Clutch

• Clutch system disassembly and reassembly procedures, including the slip clutch, flywheel, and pressure plate adjustments.
• Specific instructions for clutch inspection, including hydraulic and mechanical release systems.

Transmission

• Detailed procedures for power shuttle transmission systems (8x8 and 16x8 models), including internal controls, gear adjustments, and lubrication checks.
• Instructions for mechanical transmission servicing, including gear shifting components, clutch components, and lubrication systems.

Four-Wheel Drive (4WD) System

• Electro-hydraulic control systems for 4WD, including actuator and clutch pack servicing.
• Maintenance of the 4WD gearbox, front axle, and differential assemblies.

Rear Axle System

• Maintenance of powered and non-powered rear axles, including planetary and bevel gear systems, final drives, and axle seals.
• Rear axle disassembly and reassembly procedures, with adjustment guidelines for bearing preload and differential alignment.

Power Take-Off (PTO)

• Instructions for servicing rear one-speed and two-speed PTO units, including lubrication and clutch engagement checks.
• Detailed procedures for adjusting and inspecting PTO clutch components and safety features.

Brakes and Controls

• Comprehensive brake system maintenance, including hydraulic brake adjustments, master cylinder servicing, and wheel cylinder inspections.
• Parking brake adjustment and performance testing, with troubleshooting steps for hydraulic brake issues.

Hydraulic Systems

• Complete servicing of hydraulic pumps, valves, and cylinders, including three-point hitch components and remote valve connections.
• Detailed maintenance instructions for combination pump units, remote control valves, and the fixed displacement pump system.

Steering

• Hydraulic steering system diagnostics and servicing, including the removal and reinstallation of steering pumps, cylinders, and linkages.
• Steering control adjustments to prevent drift, jerky movement, and other steering-related issues.

Electrical Systems

• Electrical diagnostics, including engine starting systems, alternators, and battery checks.
• Inspection and servicing of wiring harnesses, connectors, and electrical system components, including troubleshooting error codes and system failures.

Cab Climate Control

• Service procedures for the HVAC systems, including air conditioning, heating, and ventilation systems, ensuring comfortable working conditions for operators.

Platform, Cab, Bodywork, and Decals

• Disassembly and reassembly of the operator’s cab, including seat adjustments, safety features, doors, and windows.
• Inspection and maintenance of bodywork components such as fenders, panels, and safety guards.

This CASE IH FARMALL 110A, FARMALL 120A, FARMALL 125A, FARMALL 140A Tractor Service Manual is a complete guide for professional technicians to maintain, repair, and troubleshoot all essential systems of the tractor to ensure optimal performance and safety.