Case IH Farmall 70JX 75JX 80JX 90JX 100JX 110JX Service Manual – PDF Download

Description

Case IH Farmall 70JX 75JX 80JX 90JX 100JX 110JX Service Manual

This is the complete 680-page workshop service manual for the Case IH Farmall JX range — covering six tractor models: the Farmall 70JX, Farmall 75JX, Farmall 80JX, Farmall 90JX, Farmall 100JX, and Farmall 110JX. Published by Case IH under document number 47454233, edition October 2012, this manual provides the full technical depth a workshop technician needs to carry out overhaul, adjustment, and fault diagnosis across every major tractor system. The manual is organized into numbered sections aligned to the Case IH Repairs Rate Book, making it easy to cross-reference with workshop job cards.

File Details

• Manual type: Service / Workshop Repair Manual
• Brand: Case IH
• Models covered: Farmall 70JX, Farmall 75JX, Farmall 80JX, Farmall 90JX, Farmall 100JX, Farmall 110JX
• Document number: 47454233
• Edition / date: 10-2012 (October 2012)
• Language: English
• Pages: 680
• File format: PDF

Chapters Covered

• Section 00 — General: General instructions, notes for spare parts and equipment, safety rules, consumables
• Section 10 — Engine: General specifications, injection pump calibration data, tightening torques, special tools, cross-sectional views, lubrication and cooling system diagrams, fault diagnosis, engine removal and installation, bench overhaul, checks and measurements, radiator removal, crankshaft front oil seal, coolant pump, thermostat, Bosch injection pump (removal, timing, bleeding), injectors, valve clearance adjustment, compression test
• Section 18 — Clutch: General specifications, tightening torques, tools, cross-sectional views, troubleshooting, removal and installation, overhaul, minimum permissible dimensions after refacing, adjustments, main and PTO clutch control linkage adjustment, PTO clutch servo control
• Section 21 — Gearbox: Mechanical 12×4 transmission, 12×12 reverser, 20×12 reverser with creeper, Power Shuttle transmission — main data, tools, cross-sectional views, hydraulic circuit, description and operation, fault diagnosis, removal and refitting, clutch adjustments
• Section 23 — Transmission of Motion (Drive Lines): Mechanical and electro-hydraulic 4WD drive lines — specifications, torque settings, cross-sectional views, disassembly and assembly of transmission shafts, drive gear housing
• Section 25 — Front Mechanical Transmission: Main data, tightening torques, tools, cross-sectional views, description and operation, complete front axle removal and installation, steering knuckle bearing pins, stub axle adjustment, wheel hub bearing adjustment, bevel drive adjustment, front axle differential overhaul, LIM-SLIP differential, toe-in check
• Section 27 — Rear Axle and Transmission: Main data, tightening torques, special tools, cross-sectional views, description and troubleshooting, gearbox casing removal and installation, disassembly and overhaul, driven shaft end float adjustment, differential lock engagement sleeve adjustment, bevel pinion positioning, taper roller bearing adjustment, backlash checking, differential pinion and side gear backlash
• Section 31 — Power Take-Off: Main specification, tools, torque settings, sectional drawings, description and operation, troubleshooting, removal and refitting, bench overhaul
• Section 33 — Braking System: Main data, tightening torques, cross-sectional views, description and operation, tools and troubleshooting, front brake assembly for Farmall 70JX and 75JX, service brake removal and refitting, front brake pump removal, air bleeding, pedal travel adjustment, parking brake adjustment
• Section 35 — Hydraulic Systems: Rear mechanical hydraulic lift specifications, tightening torques, tools, cross-sectional views, hydraulic circuit, lift phase operation, fault diagnosis, disassembly and reassembly, bench overhaul, lift adjustment, linkage adjustment, pressure relief valve, lift control valve, lift pump; open-centre auxiliary control valves; trailer brake auxiliary control valve
• Section 41 — Steering: Principal data, tightening torques, section views, hydraulic diagram, operation, fault diagnosis, tools, hydrostatic steering control valve (removal, disassembly, bench testing), hydrostatic steering oil pump, steering cylinder (2WD and 4WD axle variants)
• Section 44 — Front Axle and Wheels: Principal data, sectional views, torque settings, fault diagnosis, removal, refitting and overhaul, wheel hub disassembly and assembly, stub axle overhaul, wheel alignment check
• Section 50 — Auxiliary Equipment (Cab Air Conditioning): Safety instructions, general characteristics, equipment, operating principles, fault diagnosis, cab controls, component descriptions, refrigerant recovery and recharging stations, drying and charging procedures, functional testing, leak detection, fault summary, pipe replacement, receiver-drier, condenser, compressor removal and refitting, drive belt tension
• Section 55 — Electrical System: Analogue instruments and transmitters/switches; component descriptions; starting system (technical info, description, circuits, tests, starter motor, bench tests); charging system (alternator description, testing, removal and servicing); battery (technical info, removal, checking, charging, fault causes); electrical circuits including fuse charts, wire colour coding, ground locations, and full wiring diagrams for all versions — cab and non-cab, with circuit and connector overviews for instrument, start-up, direction indicator, hazard, wiper/washer, brake light, heating/A-C, work lamps, headlights, horn, park lights
• Section 90 — Bodywork and Driver Position: Disassembly and assembly

Between them, these sections give a technician complete visibility over every repairable system in the Farmall JX range. The engine chapters alone span turbocharger data for both Garrett HX25 and HX25W units, full Bosch injection pump calibration tables for each model variant, piston and cylinder liner tolerances with oversize specifications, crankshaft bearing data, and a comprehensive fault diagnosis guide. The drivetrain chapters treat all four gearbox configurations — standard mechanical 12×4, 12×12 reverser, 20×12 reverser with creeper, and the Power Shuttle — each with their own specification tables and overhaul sequences. The electrical section is particularly extensive, providing multi-sheet wiring diagrams covering both cab and open-station variants, with connector overviews for every major sub-circuit.

IMAGES PREVIEW

Engine Variants Covered

The six Farmall JX models span a 65 hp to 110 hp output range. The Farmall 70JX and 80JX use 3-cylinder turbocharged aftercooled engines (engine codes 8035.25C.313 and 8035.25E.313 respectively, displacement 2930 cm³). The Farmall 75JX, 90JX, 100JX, and 110JX use 4-cylinder turbocharged aftercooled engines (engine codes 8045.25A.313, 8045.25B.313, 8045.25C.313, and 8045.25D.313, displacement 3908 cm³). All engines share a 104 mm bore and 115 mm stroke with an 18:1 compression ratio, and are fitted with Bosch rotary distributor injection pumps with Garrett turbochargers. The manual covers model-specific Bosch pump calibration data for every variant.

What This Manual Enables

Case IH Farmall 70JX 75JX 80JX 90JX 100JX 110JX Service Manual puts the full range of workshop repair operations within reach: complete engine removal, bench strip and rebuild with all tolerance data; clutch overhaul and linkage adjustment; gearbox disassembly for all four transmission configurations; rear axle and differential strip with bevel pinion shimming procedures; hydraulic lift overhaul with pressure relief valve setting; hydrostatic steering component rebuilds; brake system overhaul including the front wet-disc brake circuit unique to the 70JX and 75JX; cab air conditioning diagnosis and recharging; and electrical fault-finding with the full wiring diagram suite. Every procedure is supported by the correct tightening torques, wear limits, clearance data, and special tool specifications. Having the correct specifications eliminates guesswork in critical tolerance work — wrong clearances on bearings, bevel pinions, or injection pump timing directly affect tractor reliability and longevity. This manual gives you the numbers. Available as an instant PDF download — no shipping wait, compatible with any device, printable in full or by section as needed.