Official Kobelco SK60 Hydraulic Excavator - Factory Shop Manual (1990-1993)

Kobelco SK60 Hydraulic Excavator - Factory Shop Manual (1990-1993)

Maximize the uptime and performance of your Kobelco SK60 with this professional-grade Factory Shop Manual. This is the complete technical resource used by authorized service centers, providing the exact specifications and step-by-step procedures required for the maintenance, troubleshooting, and overhaul of the SK60 Hydraulic Excavator.

Whether you are performing a routine oil change or a complex hydraulic pump rebuild, this manual delivers the authoritative data needed to ensure your machine operates at high levels of efficiency and reliability.

Applicable Models & Serial Numbers

• Model: Kobelco SK60 Hydraulic Excavator
• Years: 1990, 1991, 1992, 1993
• Applicable Serial Numbers: LE-01001 and up

Comprehensive Technical Coverage

This manual is meticulously organized into four major sections to help you locate information quickly:

1. General & Specifications

• Full machine dimensions and performance data.
• Detailed engine specifications for the Isuzu 4JB1 (Water-cooled 4-cycle, direct injection).
• Weight of components, including upper machinery and lower machinery.
• Working ranges for backhoe and face shovel attachments.
• Lifting-up ability diagrams for various shoe widths (400mm and 600mm).

2. Systems Architecture

• Drive System: Comprehensive look at power plants and pump connections.
• Hydraulic System: Detailed diagrams of the main circuit, pilot circuits, and control valve functions.
• Swing & Travel Systems: Understanding the axial piston motors and reduction units.
• Electrical & Control Systems: Deep dive into the electrical system, including air-conditioner layouts and sensor locations.

3. Component Operational Data

• Detailed teardown and assembly information for the Hydraulic Pump (A10VD43SR).
• Maintenance standards for control valves, swivel joints, and hydraulic cylinders.
• Specifications for the travel and swing reduction units.

4. Procedures & Maintenance Standards

• Troubleshooting: Logic-based flowcharts for the drive, hydraulic, swing, and travel systems to prevent fatal failures.
• Pressure Adjustments: Step-by-step guide for measuring and setting relief pressures and pilot circuit performance.
• Working Standards: Precise torque values for metric fasteners and hydraulic line fittings to ensure factory-spec assembly.
• Preventive Maintenance: Reference guides for systematic checks and service intervals.

Value for the Professional Owner-Operator

• Avoid Costly Downtime: Use the built-in troubleshooting principles to identify minor faults before they escalate into major repairs.
• Factory Precision: Get the exact standard values for cylinder oil-tightness, swing performance, and travel speed.
• Mobile Optimized: This digital resource is designed for easy reading on tablets and smartphones, allowing you to bring the factory data right into the shop or out to the job site.
• Safety First: Includes essential safety precautions, from relieving system pressure to handling components correctly to avoid injury.

Don't rely on guesswork. Equip yourself with the official Kobelco technical data to keep your SK60 running like new.