1972–1978 Case 1270 / 1370 / 1570 Tractor Repair Manual (P/N 1270–1370-1570)

• Covers 1972–1978 Case 1270, 1370, and 1570 tractor series, including drivetrain, hydraulic, and electrical system specifications
• Original OEM publication, Form No. 1270–1370-1570, delivered as a PDF spanning 82 pages of technical documentation
• Contains 172 numbered figures, including exploded-view diagrams for transmission, power shift clutch, and hydraulic systems
• Component coverage includes AiResearch turbochargers, Robert Bosch injection pumps, Roosa-Master injector nozzles, Delco-Remy alternators, Prestolite regulators, torque limiter clutches, and planetary final drives
• Additional sections detail the hydrostatic power steering, differential lock valves, power brake valves, multiple disc brakes, independent power take-off (PTO), rockshaft linkage, and wet-type cylinder sleeves

System Coverage and Documentation

This Case 1270, 1370, and 1570 manual documents the core mechanical systems for the 1972–1978 tractor line, providing detailed repair information for the engine, drivetrain, and hydraulic assemblies. Chapters detail the removal and installation of engine components, fuel injection timing, and cooling system maintenance. Mechanics can follow step-by-step instructions for complex jobs—such as safely splitting the tractor, performing a complete turbocharger overhaul, and bleeding the diesel fuel system. Bringing these capabilities into the workshop eliminates the need for expensive dealership visits. The publication also contains extensive data for the power shift clutch, transmission gear configurations, and the Draft-O-Matic control systems, with information tailored for specific serial number variations where applicable. Comprehensive troubleshooting is supported by factory wiring diagrams, schematic views of the hydraulic circuits, cross-sectional views of the steering knuckles, exploded-view drawings of the remote valves, cap screw tightening sequence drawings, and tappet gap adjusting charts.

Technical Specifications and Data

This reference includes detailed technical charts covering cooling capacities, engine governed speeds, and torque values for engine and chassis fasteners. Transmission operating pressures, hydraulic pump performance metrics, and valve clearance specifications are presented throughout the text. Reference values for alternator output, starter motor load tests, and differential gear backlash are explicitly listed to support accurate machine calibration. By providing precise factory flow meter testing procedures, the manual allows technicians to accurately diagnose hydraulic pressure drops, preventing the costly and unnecessary replacement of functioning system pumps. When undertaking heavy maintenance, such as splitting the chassis to access the bevel pinion shaft, always ensure the tractor halves are securely supported with wedge blocks and appropriate jack stands to maintain a safe work environment.