Komatsu PC30MR-2 Shop Manual

This manual is for the Komatsu PC30MR-2 (Hydraulic Excavator) with serial numbers 20001 and upwards. It is a comprehensive workshop manual useful for both professional mechanics and DIY enthusiasts. The manual is available in PDF format and consists of 622 pages covering the following:

• Safety
• Structure, Function and Maintenance Standard
• Testing and Adjusting
• Disassembly and Assembly
• Others

The detailed contents include:

• PTO
• Cooling System
• Power Train
• Swing Circle
• Swing Machinery
• Track Frame
• Idler Cushion
• Idler
• Track Roller
• Carrier Roller
• Sprocket
• Track Shoe
• Hydraulic Components Layout Drawing
• Hydraulic Tank
• Center Swivel Joint
• Travel Motor
• Hydraulic Cylinder
• Solenoid Valve
• Multi-Control Valve
• Hydraulic Pump
• Control Valve
• CLSS
• Operation for each Function Valve
• Swing Motor
• PPC Valve
• Work Equipment
• Dimensions of each part of Work Equipment
• Floor
• Air Conditioning
• Engine Control
• Electric Control System
• Component Parts of System
• Monitor System
• Monitor Panel
• Sensors
• Testing and Adjustment
• Troubleshooting
• Precautions when Performing Operation
• Special Tool List
• Sketches of Special Tools
• Removal and Installation of Fuel Injection Pump Assembly
• Removal and Installation of Radiator and Hydraulic Oil Cooler Assembly
• Removal and Installation of Engine and Hydraulic Pump Assembly
• Removal and Installation of Track Shoe Assembly
• Disassembly and Assembly of Idler Assembly
• Disassembly and Assembly of Recoil Spring Assembly
• Disassembly and Assembly of Track Roller Assembly
• Disassembly and Assembly of Carrier Roller Assembly
• Removal and Installation of Center Swivel Joint Assembly
• Disassembly and Assembly of Center Swivel Joint Assembly
• Removal and Installation of Floor Frame Assembly
• Removal and Installation of Swing Motor and Swing Machinery Assembly
• Disassembly and Assembly of Swing Motor and Swing Machinery Assembly
• Removal and Installation of Work Equipment Assembly
• Removal and Installation of Revolving Frame Assembly
• Removal and Installation of Swing Circle Assembly
• Disassembly and Assembly of Control Valve Assembly
• Disassembly and Assembly of Hydraulic Cylinder Assembly
• Removal and Installation of Air Conditioner Unit Assembly
• Removal and Installation of Operators CAB Glass
• Removal and Installation of Front Window Assembly
• Hydraulic Circuit Diagram
• Electric Circuit Diagram