1988-1994 Komatsu WA300-1, WA320-1 Wheel Loader Shop Manual
Technical reference for WA300-1 and WA320-1 wheel loaders, covering structure, function, testing, adjusting, and disassembly. Includes essential procedures and diagrams. PN 05-88(03)05251
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Models Covered & Key Technical Specifications
Systematic Factory Reference Manual: Wheel Loader Detailed Komatsu WA300-1 and WA320-1 Wheel Loader Shop Manual - Structure and Function, Testing and Adjusting, and Disassembly and Assembly Reference 1988-1994 Calibration-Manual
Maintenance-Category: Manuals // Service-Level: Heavy Equipment / Power Train Logic // Technical-Domain: 1988-1994 Models.
- System Power Rating: 143 HP signifies the peak engine output Specification.
- Maximum Unit Dimensions: For optimal maneuverability, 7,045 mm defines the overall length Measurement.
- Measured Bolt Torques: To ensure structural integrity, 115 N-m is specified for critical fasteners.
- Technical Interference Fit: The mounting requires 2.3 m³ capacity for the bucket.
- System Power Draw: Approximately 450 W indicates the typical electrical load.
- Authorized Thermal Rating: For sustained operation, 80°C defines the maximum ambient temperature limit.
Professional Workshop Service Manual & Technical Specifications
Systematic Factory Reference Manual: Wheel Loader Detailed Komatsu WA300-1 and WA320-1 Wheel Loader Shop Manual - Structure and Function, Testing and Adjusting, and Disassembly and Assembly Reference 1988-1994 Calibration-Manual
Maintenance-Category: Manuals // Service-Level: Heavy Equipment / Power Train Logic // Technical-Domain: 1988-1994 Models.
| Technical Specs Table | Identifier | Parameters | Calibration-Spec |
|---|---|---|---|
| Model | WA300-1 | WA320-1 | |
| Years Covered | 1988-1994 | 1988-1994 | |
| Document Type | Shop Manual | Shop Manual |
TOC Summary Block Technical chapters are organized around:
- Power Train: Structure and Function
- Engine: Testing and Adjusting
- General: Weight Table
- Power Train: Hydraulic Circuit Schematics
- Steering System: Maintenance Standard
This manual details the internal workings and repair procedures for the Komatsu WA300-1 and WA320-1 wheel loaders from the 1988-1994 model years. It serves as a comprehensive guide for technicians and owners.
Brake system specifications are included for complete system analysis and repair.
The document thoroughly covers the structure, function, testing, adjusting, and disassembly of the various systems, including the engine, power train, steering, and work equipment. It provides detailed diagrams and procedural information.
Safety procedures are documented for every stage of maintenance and repair.
The manual also includes information on fluid capacities, required tools, and other technical data essential for proper upkeep. The goal is to provide a complete reference for maintaining these machines.
Fluid capacities are listed for all major components.
Accurately mandating procedures ensures the longevity and optimal performance of the wheel loader. The precise information contained within helps to minimize downtime and maintain operational efficiency.
Tool requirements are listed for specific maintenance tasks.
This workshop manual meticulously documents torque specifications for engine and transmission components to ensure proper thread engagement security.
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