Komatsu PC30-7 Shop Manual

This manual is for the Komatsu PC30-7 (Hydraulic Excavator) with serial numbers 18001 and upwards. It is a comprehensive 387-page workshop manual available in PDF format, enabling instant access after purchase. The manual is designed for easy printing, allowing for instant use and backup. It covers safety, structure and function, testing and adjusting, disassembly and assembly, and maintenance standards.

The detailed contents of the manual include:

• Safety
• Structure and Function
  • Power Train
  • Swing Circle
  • Swing Machinery
  • Track Frame and Recoil Spring
  • Hydraulic Piping
  • Hydraulic Circuit Diagram
  • Hydraulic Tank and Fuel Tank
  • Hydraulic Pump
  • Control Pump
  • 7-Spool Control Valve
  • 2-Spool Control Valve
  • Swing Motor
  • Center Swivel Joint
  • Travel Motor
  • Hydraulic Cylinder
  • Valve Control
  • PPC Valve
  • Solenoid Valve
  • Work Equipment
  • Hydraulic Breaker
  • Electric Circuit Diagram
  • Monitor System
• Testing and Adjustment
  • Table of Judgement Standard Value
  • Standard Value Table for Electrical System
  • Tool for Testing, Adjusting and Troubleshooting
  • Adjusting Valve Clearance
  • Measuring Compression Pressure
  • Adjusting Fuel Injection Timing
  • Measuring Engine Oil Pressure
  • Adjusting Fuel Control Lever
  • Testing and Adjusting Hydraulic Pressure in Work Equipment, Swing, Travel Circuit
  • Testing Control Circuit Pressure
  • Measuring Output Pressure of PPC Valve
  • Adjusting PPC Valve
  • Measuring Solenoid Valve Outlet Port Pressure
  • Adjusting Blade Control Lever
  • Measuring Internal Leakage of Cylinder
  • Bleeding Air from Hydraulic Circuit
  • Releasing Remaining Pressure from Hydraulic Circuit
  • Testing Hydraulic Breakage Gas Pressure
  • Troubleshooting
• Disassembly and Assembly
  • Special Tool List
  • Weight Table
  • Tightening Torques and Standard Value Table
  • Lubricant and Coolant Table
  • Engine, Hydraulic Pump
  • Hydraulic Pump
  • Gear Pump
  • Center Swivel Joint
  • Travel Motor
  • Swing Motor
  • Swing Machinery
  • Revolving Frame
  • Recoil Spring
  • 2-Spool Control Valve
  • 7-Spool Control Valve
  • PPC Valve
  • Hydraulic Cylinder
  • Work Cylinder
  • Work Equipment
  • Bucket
  • Hydraulic Breaker
  • Hydraulic Breaker Bushing
  • Chisel
• Maintenance Standard
  • Swing Circle
  • Swing Machinery
  • Sprocket
  • Track Frame and Recoil Spring
  • Idler
  • Track Roller
  • Carrier Roller
  • Track Shoe
  • Hydraulic Pump
  • 7-Spool Control Valve
  • 2-Spool Control Valve
  • Swing Motor
  • Center Swivel Joint
  • PPC Valve
  • Hydraulic Cylinder
  • Work Equipment
  • Hydraulic Breaker
  • Piston, Chisel

This manual is a valuable resource for professional mechanics and DIY enthusiasts working with the Komatsu PC30-7 (Hydraulic Excavator).