Komatsu PW20-1, PW20, PW30-1 Workshop Manual PDF

This factory-grade Komatsu workshop manual for the PW20-1 and PW30-1 wheeled excavators is a trusted resource for mechanics, technicians, and owners performing service, repair, or diagnostics. It delivers in-depth maintenance procedures and technical diagrams sourced from OEM-level documentation — ideal for ensuring your machine performs reliably on-site or in the workshop.

✅ Models Covered:

• Komatsu PW20-1

• Komatsu PW30-1

🔢 Serial Numbers:

• 1001 and up

🧰 Included Sections:

• Engine & Cooling System Overview

• Drive Shaft, Transfer Case & Axles

• Brake Control & Hydraulic Systems

• Swing & Travel Motor Mechanics

• Hydraulic Circuit Diagrams

• Suspension Lock Valve & 6-Spool Control Valve

• Electrical Circuit Diagrams

• Work Equipment Disassembly & Function

• Full Testing & Adjustment Procedures

🛠 Diagnostics & Adjustments:

• Hydraulic cylinder and brake pressure testing

• Travel and swing troubleshooting

• Hydraulic drift correction

• Steering performance adjustments

• Bleeding procedures and fluid specifications

📎 File Details:

• Format: PDF

• Language: English

• Includes A3-format diagrams

• Searchable & printable

• Download Size: ~100MB

• Compatible with: PC, Mac, iOS, Android

📩 Why Download This Manual?

• Instant access — no shipping delays

• Designed for professional maintenance and repair

• Clear diagrams and step-by-step instructions

• Saves time and cost during service

• Perfect for owner-operators and mechanics alike