Case 580 Super K Loader Backhoe Service & Repair Manual (P/N 8-17551)

• 1,248-page PDF of the Case Corporation 580 Super K service publication, master form 8-17551 (printed August 1992), with general and engine index forms 8-17141 and 8-17161, for P.I.N. JJG0160001 and after. Coverage includes 2WD and 4WD front-axle configurations, Eaton and Danfoss steering control valves, optional PTO and three-point-hitch equipment, and ROPS cab or canopy installations.
• Covers engine removal and installation, stall-test diagnosis, 4-390 cylinder-head and cylinder-block repair, lubrication and cooling-system work, turbocharger service and failure analysis, injector testing, and CAV/Bosch injection-pump timing.
• Details torque-converter and transaxle removal, power-shuttle hydraulic diagnosis, forward/reverse valve and clutch-pack service, rear axles and planetaries, transfer gearbox, differential lock, parking and disc brakes, steering cylinders, and axle adjustment.
• Includes hydraulic pressure- and flow-testing, pump and control-valve overhaul, loader/backhoe circuit schematics, electrical fault-isolation charts, cab and canopy harness drawings, exploded views, special-tool references, and factory torque, capacity, wear-limit, adjustment, pressure, flow, and electrical test data.

Engine and Fuel-System Repair Coverage

The engine sections go well beyond routine service. Factory procedures cover radiator and engine removal, torque-converter separation, front engine-support alignment, and stall testing used to separate engine, transmission, torque-converter, and hydraulic performance faults. Internal 4-390 repair content includes cylinder-head removal and disassembly, resurfacing inspection, 11 mm and 14 mm valve-guide replacement, valve-seat installation and refacing, rocker-arm service, valve-clearance adjustment, thermostat service, cylinder-wall inspection, block machining for oversize pistons or service sleeves, piston and connecting-rod work, crankshaft and main-bearing service, camshaft work, front and rear seal or wear-sleeve installation, flywheel service, and crankcase blow-by testing. Lubrication, cooling, turbocharger, and turbocharger-failure chapters provide the related inspection limits and diagnostic information.

The fuel chapters distinguish the injector configurations that affect parts and tool selection. They identify the change from 9 mm to 7 mm injector nozzles at engine serial 45511034 for U.S.-built engines, 21092870 for Darlington-built engines, and 52107489 for Neuss-built engines, with matching CAS-1694 and CAS-2155 injector-bore cleaners. Fuel-system coverage includes filter and air-bleeding work, injector fault isolation and testing, plus pump removal and installation, drive-gear service, timing, fuel-shutoff-solenoid, and primer-pump procedures for both CAV and Bosch pumps. These are machine-side service sections, not internal injection-pump overhaul or bench-calibration manuals.

Power Shuttle, Axles, Brakes, and Steering

Power-train repair starts with torque-converter housing and transaxle removal, installation, and universal-joint replacement. The transmission diagnostic section supplies a hydraulic schematic and guided checks for machine-will-not-move, loss-of-power, overheating, clutch-disc wear, brake-disc wear, and pinion-shaft failures. It also covers clutch pressure, charging-pump output, converter inlet and outlet pressure/flow, brake-cooling flow, and clutch-lubrication flow.

Internal drivetrain sections cover the forward/reverse valve, charging pump, output shaft, converter housing, shuttle clutch packs, transmission shafts and synchronizers, pinion preload and end play, crown-wheel tooth-contact patterns, PTO, rear axles and planetaries, transfer gearbox, and differential lock. Brake chapters include the parking brake, disc brakes, component removal and installation, and master-cylinder repair. Steering coverage distinguishes Eaton and Danfoss valves and provides separate procedures for 2WD and 4WD steering cylinders and front axles, including toe-in and 4WD planetary service.

Hydraulics, Electrical, and Mounted Equipment

Hydraulic diagnosis is organized around faults affecting all circuits versus a single circuit. The manual covers pump-output testing with a flowmeter, main and circuit relief-valve checks and adjustment, system cleaning and flushing, pump disassembly and inspection, loader and backhoe control-valve repair, cylinder service, the swing sequence valve, three-point-hitch control valve, and double selector valve. Component section views cover the pump and major control valves; full circuit drawings include the Loader Backhoe Schematic and Loader Three Point Hitch Schematic.

Electrical coverage combines test specifications with circuit-by-circuit troubleshooting. Key drawings and charts include Starting, Charging, and Instrument Cluster Circuits; Warning Buzzer, Parking Brake, Backup Alarm, and Clutch Cutout; Return-To-Dig, Cab Relay, Lamp Switches, Turn Signal and Flashers; and the Cab Harness and Canopy Harness drawings. Separate chapters service the batteries, starter and solenoid, 65-amp and 95-amp alternators, and instrument cluster.

Mounted-equipment procedures cover loader-frame removal, bucket cutting edges and teeth, integral-backhoe swing-tower, boom, dipper, extendable-dipper and wear-plate work, quick-coupler and auxiliary-hydraulic layouts, three-point-hitch removal, ROPS cab/canopy and heater service, and air-conditioning troubleshooting and pressure checks.

Shop Data, Special Tools, and Repair Cautions

The publication identifies factory tools such as the CAS-1690 engine rotating tool, CAS-2162 torque-angle gauge, CAS-1692A blow-by manometer, CAS-2018 torque-converter alignment tool, CAS-10280 hydraulic flowmeter, and CAS-1989 transmission tool kit with clutch-spring and seal-compression tooling. Reference sections include decimal and metric fastener charts, 37-degree flare and O-ring face-seal fitting torques, component-specific torque tables, fluid capacities, approved lubricants, wear limits, clearances, backlash, preload, hydraulic test data, and electrical readings.

Several procedures depend on correct alignment and component position. The front engine support must be centered with the crankshaft or the hydraulic pump can be damaged; an injector allowed to rotate in its cylinder-head bore can damage the head; and moving transaxle levers while the control rods are disconnected can release the detents and require transmission disassembly. Before opening loader or backhoe hydraulic lines, lower or mechanically support raised equipment, stop the engine, move the controls to relieve trapped pressure, and keep disconnected lines capped or plugged.