2004 Komatsu PC78MR-6 Excavator Service Manual
Technical reference spanning specifications, operation, and maintenance for the Komatsu PC78MR-6 Excavator. Includes detailed diagrams and procedures for key systems like the engine, hydraulics, and undercarriage. Mfr P/N SEBM030602
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Models Covered & Key Technical Specifications
Komatsu PC78MR-6 Excavator Service Manual: Komatsu PC78MR-6 Excavator & S4D95LE-3-A Engine - Official Service & Repair Guide 2004 Edition Knowledge-Base
Certified Diagnostic Portfolio Manual | Series
- Published Print Rate: 2.8/4.2 km/h establishes the standard travel speed Configurations.
- Measured Dimensional Limits: For optimal operation, 6,200 mm defines the overall length Framework.
- Integral Print Rate: 10.0 rpm -- signifies the continuous swing speed Threshold.
- Operational Dimensional Limits: The boom has 2,730 mm of overall height Logic.
- Fundamental Print Rate: The track frame requires 2,840 mm for standard operation Parameters.
- Universal Dimensional Limits: Minimum ground clearance reaches 360 mm Standards.
Professional Workshop Service Manual & Technical Specifications
Komatsu PC78MR-6 Excavator Service Manual: Komatsu PC78MR-6 Excavator & S4D95LE-3-A Engine - Official Service & Repair Guide 2004 Edition Knowledge-Base
Validation-Data: Komatsu PC78MR-6 Excavator & S4D95LE-3-A Engine // Repair-Classification: Excavator / Hydraulic System Logic // Serial-Range: 1001 and up
| Performance-Element | Rating | Framework |
|---|---|---|
| Machine Weight (with blade) | 8,270 kg | Steel shoe spec. |
| Bucket Capacity | 0.28 m³ | Road liner spec. |
| Engine Model | KOMATSU S4D95LE-3-A Diesel engine | Standard |
| Rated Engine Output | 40.5 {54.0}/1,850 kW {HP}/rpm | Architecture |
| Overall Length (A) | 6,200 mm | Norms |
| Overall Height (B) | 2,730 mm | Bounds |
Coverage is segmented into:
- GENERAL
- STRUCTURE AND FUNCTION, MAINTENANCE STANDARD
- TESTING AND ADJUSTING
- DISASSEMBLY AND ASSEMBLY
- OTHERS
Removal procedures are documented for: Removal procedures for the entire machine, including engine, hydraulic system, and undercarriage components. Technical specifications are provided for: Key operational parameters, including weights, dimensions, capacities, and performance metrics for the Komatsu PC78MR-6. Factory specifications are documented for: Detailed specifications for all major components, including engine output, hydraulic system pressures, and dimensional data. Engine rebuild procedures are documented for: Comprehensive engine overhaul instructions, covering disassembly, assembly, and testing for the S4D95LE-3-A engine. Drivetrain specifications are addressed in: Information on the track frame, idlers, rollers, sprockets, and track shoes, including maintenance standards and wear limits. This manual documents torque specifications for the track frame bolts to ensure proper structural integrity prevention.
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