1975-1980 Case 580C Backhoe Loader Service Manual (P/N 9-66015)

• Official 803-page J.I. Case OEM service publication (C.E. Div. 9-66015, April 1981 edition) for 1975–1980 Case 580C backhoe loaders.
• Documents engine, drivetrain, hydraulic, and electrical specifications for the late-production series.
• Covers technical reviews and maintenance baselines for the 188 and 207 diesel engine families.
• Includes 124 exploded views and technical diagrams, supplemented by 52 torque reference tables and complete maintenance schedules.

Engine and Component Systems

This publication breaks down the structural and mechanical parameters for the 188 and 207 diesel powerplants. It thoroughly outlines cylinder head assembly, valve train geometry, and crankshaft bearing tolerances. Fuel system data is strictly defined. You will find precise injection pump timing, injector opening pressures, and nozzle seat clearance requirements to ensure the equipment meets rated output.

Beyond the engine block, the manual provides comprehensive overviews of the power train. This includes baseline specifications for the power shuttle, torque converter, and transaxle assemblies. Hydraulic systems receive heavy focus. The documentation maps out control valves, stabilizers, and boom lock mechanisms to facilitate deep-level troubleshooting. Steering components and electrical systems are also covered extensively, featuring detailed wiring schematics, battery ratings, and starter motor benchmarks.

Technical Data Preview

Engine assembly data highlights a multi-stage sequence for cylinder head bolts, with final torque values specified at 122–137 Nm. Other critical baselines include a 19.8-liter coolant system capacity and an intake valve tappet clearance of 0.305 mm. For the hydraulics, the entire framework requires a 113-liter fluid capacity.

Working on heavy equipment presents inherent physical hazards. Always verify load limits, use proper lifting gear, and consult a certified heavy machinery technician before initiating major teardowns or servicing pressurized hydraulic networks.