Komatsu D31EX-21, D31PX-21, D37EX-21, D37PX-21, D39EX-21, D39PX-21 Bulldozer Shop Manual
Covers Komatsu crawler dozer models D31EX-21, D31PX-21, D37EX-21, D37PX-21, D39EX-21, D39PX-21. Includes specifications, diagrams, and detailed repair procedures. Ref: SEBM035005
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Models Covered & Key Technical Specifications
Komatsu D31EX-21, D31PX-21, D37EX-21, D37PX-21, D39EX-21, D39PX-21 (SEBM035005) - 2007
Covers D31EX-21, D31PX-21, D37EX-21, D37PX-21, D39EX-21, D39PX-21 bulldozer models. | Komatsu Shop Manual for Crawler Dozer Models
- Designated Technical Resolution Data: 1200 dpi establishes the maximum print output Architecture.
- Verified Print Rate: For optimal operation, 25 ppm defines the maximum printing consumption Threshold.
- Nominal Unit Dimensions: 4015 mm -- signifies the overall machine length Parameters.
- Defined Bolt Torques: The formatter board requires 46 Nm for standard operation Logic.
- Key Displacement Data: Maximum throughput reaches 40.2 cc/rev Configurations.
- Essential Thermal Envelope: The plotter requires 30 mm for standard operation Configurations.
Professional Workshop Service Manual & Technical Specifications
Structured Shop Wiring Manual: Komatsu Shop Manual for Crawler Dozer Models D31EX-21, D31PX-21, D37EX-21, D37PX-21, D39EX-21, D39PX-21 2007 Diagnostic-Reference
System-Coverage: All models covered // Subsystem-Focus: Engine, HST, Work Equipment Logic // Reference-Category: Service Procedures
| Metric | Technical-Path | Calibration-Standards |
|---|---|---|
| Engine Specs | Engine, Cooling System, Lubricants | Standard Values |
| HST System | Hydraulic Pump, HST Motor, Control Valve | Specifications |
| Work Equipment | Cylinders, PPC Valves, Blade, Ripper | Procedures |
| Chassis | Track Frame, Rollers, Sprockets | Maintenance Standards |
| Electrical | Wiring Diagrams, Monitor Panel, Sensors | Schematics |
| Troubleshooting | Failure Codes, Diagnostic Procedures | Repair Guidelines |
Following OEM groupings, the manual includes sections on:
Engine Specifications and Maintenance Standards
This section systematically requiring engine-related specifications and essential maintenance values. It provides a Rigorous overview of engine performance parameters.
Hydraulic System Components and Operation
Service procedures are documented for HST pump, HST motor, and control valve systems, detailing their operation and maintenance requirements.
Work Equipment Systems
Calibration requirements are specified for lift, tilt, angle, and ripper cylinders and related PPC valves, ensuring precise operation.
Chassis Components and Maintenance
This section covers track frame, rollers, sprockets, and idlers, detailing their specifications and maintenance procedures.
Troubleshooting and Diagnostics
This section provides guidance on diagnosing and resolving common issues, including fault codes and repair procedures.
Electrical System and Monitor Panel Functions
It details the electrical system, monitor panel functions, and sensor information, crucial for system diagnostics.
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