Komatsu PW20-1 PW30-1 Excavator Shop Manual
Technical reference covering PW20-1 and PW30-1 models with detailed diagrams, specifications, and diagnostic procedures. Ref: SEBM021F0102
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Models Covered & Key Technical Specifications
Functional Technical Installation Manual: Excavator Official Komatsu PW20-1, PW30-1 Shop Manual - Comprehensive Service & Repair Guide Procedure-Library Komatsu PW20-1 PW30-1 (SEBM021F0102) -- Covers PW20-1 / PW30-1 Series | Archive.
- Established Working Temperature: 45-55°C establishes the optimal hydraulic fluid operating temperature Range.
- Reference Print Rate: For optimal operation, 2500 rpm dictates the engine speed for pump delivery Specifications.
- Essential Unit Dimensions: The machine dimensions are not explicitly stated but diagrams provide visual context Metrics.
- Baseline Bolt Torques: The documentation specifies torque values ranging from 5 kgm up to 26.411 kgm for critical assembly points.
- Integral Displacement Data: The front pump has a delivery rate of 26.3 cc/rev at 2600 rpm.
- Specific Thermal Envelope: The control valves are designed to operate within a temperature range that ensures consistent performance Standards.
Professional Workshop Service Manual & Technical Specifications
Functional Technical Installation Manual: Excavator Official Komatsu PW20-1, PW30-1 Shop Manual - Comprehensive Service & Repair Guide Procedure-Library
Engineering-Metrics: Komatsu PW20-1, PW30-1 (SEBM021F0102) // Technical-Benchmarks: Excavator / Hydraulic Logic // Engineering-Metrics: Technical Specifications & Procedures.
Komatsu PW20-1, PW30-1 Shop Manual: Technical Specs & Diagrams
| Component | Operational-Logic | Validation-Data |
|---|---|---|
| Engine | Specific pressure readings and adjustments | Confirmed tolerances and testing procedures |
| Hydraulic System | System schematics and component analysis | Flow rates, pressure checks, and operational diagnostics |
| Power Train | Component assembly and disassembly instructions | Torque specifications and critical measurements |
| Steering System | Operational diagrams and control linkage | Performance metrics and adjustment parameters |
| Work Equipment | Attachment assembly and maintenance | Wear limits and operational force assessments |
Maintenance information covers:
- Engine
- Power Train
- Hydraulic System
- Steering System
- Work Equipment
This manual provides comprehensive documentation for the Komatsu PW20-1 and PW30-1 excavators. It details the structure and function of various systems, including the engine, power train, hydraulic system, steering, and work equipment. Procedures for disassembly, assembly, testing, and adjusting are clearly outlined with accompanying diagrams and part numbers. The manual also includes troubleshooting charts and maintenance standards to assist in diagnosing and resolving issues. Torque specifications for critical components are documented to ensure proper assembly and performance.
Introduction to Systems
This section provides an overview of the machine's primary systems and their functions. It details the configuration of the engine, power train, and hydraulic circuits, explaining how each component contributes to overall operation.
Component Procedures
The manual documents disassembly and assembly procedures for key components. Methodical instructions guide the technician through the removal and installation of parts, ensuring correct reassembly and function.
Maintenance Standards
Specifications for maintenance and adjustments are presented in a clear, organized format. This includes operational values and permissible limits for various checks, aiding in routine maintenance and performance verification.
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