Yanmar 6LY3 Series Marine Diesel Engine Service Manual
Diagnostic procedures, component service, and maintenance for Yanmar 6LY3-ETP, 6LY3-STP, 6LY3-UTP: Includes fuel system, lubrication, cooling, and electrical systems. Part ID: 0BLY3-G00100.
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Sample pages from the Yanmar 6LY3 Series Marine Diesel Engine Service Manual manual
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Models Covered & Key Technical Specifications
Comprehensive Procedure Manual: Yanmar 6LY3-ETP, 6LY3-STP, 6LY3-UTP (2006) Technical-Briefing | Collection Division.
Approved Cycle Rate: 321 kW (436hp) at 3198 RPM establishes the maximum output capacity. Factory Rotation Data: For smooth operation, Counterclockwise viewed from stern defines the direction. Primary Installation Footprint: The engine measures 1300.4 mm (51.2 inches) in overall length. General Threaded Fastener Data: M8 x 45 mm bolts secure the gear case. Essential Alignment Specs: Shaft alignment requires 0.12-0.22 mm for the idle gear. Operational Output Performance: The fuel injection pressure is 24.00-24.98 MPa for the nozzle.
Professional Workshop Service Manual & Technical Specifications
Comprehensive Procedure Manual: Yanmar 6LY3 Series Marine Diesel Engine Precision Maintenance: Yanmar 6LY3-ETP, 6LY3-STP, 6LY3-UTP (2006) Technical-Briefing
Specification-Class: 5.813 L // Application-Range: Marine Diesel Engine // Series-Validation: 6LY3 Series. Suspension service documentation covers General and Main Specifications. Disassembly instructions are documented for Fuel oil, lubricating oil and cooling water. Wear limits are specified for Lubrication system and Cooling water system. System operation descriptions cover Intake and exhaust system and Turbocharger. The documentation addresses Electrical system and Service standards.
| Metric | Diagnostic-Logic | Validation-Data |
|---|---|---|
| Engine Model | 6LY3-ETP | 6LY3-STP |
| Displacement | 5.813 L | 5.813 L |
| Bore x Stroke | 105.9 x 110 mm | 105.9 x 110 mm |
| Continuous Power | 321 kW @ 3198 min-1 | 295 kW @ 3198 min-1 |
Technical chapters are organized around the following:
- General information, including exterior views and main specifications.
- Troubleshooting procedures for common engine issues.
- Disassembly and reassembly instructions for various engine components.
- Inspection and servicing of basic engine parts.
- Fuel injection equipment details, including pumps and nozzles.
The manual documents torque specifications for various components to ensure proper joint separation prevention.
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