Part of the Case Repair Manuals.
All 1,212 pages of this Case JX70–JX100 series Service Manual (OEM #Mod 6-61030) are factory-written for one job: tearing down and rebuilding the JX70U, JX80U, JX90U, and JX100U tractors to spec. Inside, you get a full electrical section with wiring diagrams and connector pinouts, hydraulic schematics covering hydrostatic steering and the complete hydraulic system, 64 error codes with a calibration section, and page after page of exploded views across every major assembly. Torque the main bearing cap bolts to 80 Nm plus 90 degrees of rotation; set valve-rocker arm clearance to 0.30 plus or minus 0.05 mm on a cold engine before you button anything up. Your machine is down and the clock is running. Get the factory answer on the first try. Bookmarked and keyword-searchable: pull it up on any device, jump straight to the section you need, and get back to work.
What's Inside This Case JX70U, JX80U, JX90U, JX100U Manual
| System | Pages | Key Topics |
|---|---|---|
| 1 -- General Guidelines | 5-10 | Shimming, Rotating Shaft Seals, Sealing Compounds, Bearings, Tools, Consumables |
| 2 -- Engine | 11-114 | Main Data, Diagrams |
| 3 -- Fuel Injection System | 115-140 | General Specifications, Fuel System Data, Injector Sleeve, Engine Injectors, Bosch Injection Pump, Bosch Injection Pump Timing |
| 4 -- Electrical Systems | 141-458 | Instruments (Control Panel, Sensors and Switches), Components (Internal and External Electrical Controls), Starting System (Starter Motor) |
| 5 -- Steering | 459-518 | Hydrostatic Steering, Hydrostatic Steering Hydraulic Pump, Hydrostatic Steering Control Valve |
| 6 -- Transmission | 519-978 | |
| 7 -- Brakes | 979-998 | |
| 8 -- Hydraulic Systems | 999-1156 | |
| 9 -- Bodywork and Driving Position | 1157-1212 |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Piston stroke | 4.52 inch (115 mm) | p. 13 |
| Maximum power | 70 kW (95 Hp) | p. 13 |
| Main bearing cap bolts torque | 80 Nm (8.2 kgm) + 90° | p. 24 |
| Alternator rated voltage | 14 V | p. 22 |
| Valve-rocker arm clearance (engine cold, intake) | 0.02 ± 0.002 inch (0.30 ± 0.05 mm) | p. 15 |




















