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

• Covers the 1992–1996 Case 580 Super K Loader Backhoe, including both 2WD and 4WD powertrain variants
• Official Case Corporation publication (P/N 8-17551, 8-17161, 8-17141 and sub-sections), printed August 1992
• Contains over 100 exploded-view diagrams, 15+ torque specification tables, and comprehensive electrical schematics for the 4-390 diesel engine and hydrostatic systems
• Instant download to your account with permanent access—no re-buy required
• Fully searchable, indexed PDF optimized for standard Letter and A4 shop printing
• Primary reference guide for the JJG0160001+ build series, documenting all engine, chassis, and hydraulic parameters

Engine and Drivetrain Coverage

This service manual provides a deep dive into the 4-390 diesel engine and its drivetrain components. It outlines the structural layout and maintenance checkpoints for the power unit, including turbocharger diagnostics and fuel system calibration for both CAV and Bosch injection pumps. The guide breaks down the power shuttle transmission, steering linkages, and axle setups, detailing the differential locking mechanisms and planetary hub service. Additional sections cover mounted equipment such as the backhoe and loader control valves, cabin hardware, and HVAC systems.

When servicing high-pressure circuits, such as the backhoe hydraulic assemblies, always depressurize the system before disconnecting lines. The manual provides specific pressure check values to ensure safe and accurate diagnostics without risking blowouts.

Specification Highlights

The technical data section provides exact torque requirements for grade 5 and grade 8 decimal hardware, metric fasteners, and O-ring face seal fittings. Key workshop specifications include:

• Intake valve stem diameter: 7.960–7.980 mm
• 4-390 engine cooling system capacity: 17.2 U.S. quarts (16.3 liters)
• Hydraulic reservoir refill capacity: 21.5 U.S. gallons (81.4 liters)

Understanding how factory workshop documentation is structured helps technicians navigate these complex hydraulic and electrical schematics faster. For all fluid system maintenance, verify connector torque against the 37-degree flare fitting chart found in the standard torque appendix.

Document Reference: Official 1248-page Case Corporation OEM service manual covering the 1992–1996 580 Super K Loader Backhoe (Build series JJG0160001 and up), dated August 1992.