Mitsubishi SL-Series Diesel Engine Service Manual 2004
Comprehensive repair and maintenance guide for Mitsubishi SL, S3L, S3L2, S4L, S4L2 diesel engines. Includes diagrams, specs, and procedures. Part No. MHI-E-SLSERIES-04
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Models Covered & Key Technical Specifications
Mitsubishi SL-Series Diesel Engine (MHI-E-SLSERIES-04) – 2004 SL, S3L, S3L2, S4L, S4L2 Diesel Engine Service Manual
- Factory Specifications: 1.125 to 1.758 liters total displacement establishes the core engine capacity.
- Certified Compression Ratio: 22 is specified as the standard compression ratio for all models.
- Engineered Firing Order: 1-3-2 governs the firing order for S3L/S3L2, and 1-3-4-2 for S4L/S4L2.
- Verified Cooling Capacity: 1.8 to 2.5 liters provides the essential coolant capacity.
- Designated Starter Power: 1.6 to 2.0 kW supports the engine's starting power requirements.
- Integral Alternator Output: AC generator (12 - 50) supplies the electrical generation capacity.
Manual Description & Preview
Complete Engineering Operator's Manual: Mitsubishi SL-Series (S3L, S3L-T, S3L2, S4L, S4L-T, S4L2, S4L2-T) Diesel Engine Service Manual (2004) Overhaul-Reference
Series-Validation: Mitsubishi SL-Series // Model-Specs: S3L, S3L-T, S3L2, S4L, S4L-T, S4L2, S4L2-T // Series-Validation: Diesel Engine
| Component | Baseline | Calibration-Data |
|---|---|---|
| ENGINE PROPER | 4-cycle, water-cooled, vertical, overhead valve | Swirl chamber type |
| LUBRICATING SYSTEM | Forced lubrication | Trochoid pump |
| FUEL SYSTEM | Bosch M | Throttle type |
| INTAKE SYSTEM | Paper-element type | Without TD025 |
| COOLING SYSTEM | Forced circulation of water | Centrifugal type |
| ELECTRICAL SYSTEM | Sheathed type | AC generator (12 - 50) |
Service sections detail the operational parameters and repair procedures for the Mitsubishi SL-Series diesel engines. Systematically requiring a thorough understanding of each component, this manual covers engine identification, component locations, detailed specifications, and overhaul instructions.
Timing Procedures
Timing procedures are documented for the engine, ensuring correct mechanical alignment and operation.
Technical Notes
Technical notes are provided for key aspects of engine assembly and disassembly, offering insights into best practices.
Quality Checks
Quality checks are addressed for various components, including valve mechanism, timing gears, crankshaft, pistons, and cylinder block, ensuring proper function.
The Component Section Documents
The rocker arms, valve guides, and valve seats documentation details inspection and measurement procedures.
The Troubleshooting Chapter Addresses
The troubleshooting chapter addresses common engine issues, providing diagnostic charts and systematic approaches to problem resolution.
This manual documents torque specifications for engine components to ensure proper bearing preload accuracy.
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