Yanmar 6LYA | 6LY2 | 6LY2A Service Workshop Manual

Workshop service and repair manual for all variants of the Yanmar 6LY marine diesel engine this full workshop manual set covers every component, service and repair procedure in full Yanmar factory specification with clear concise step by step photographs and technical drawings for the 6 cylinder engine with torque setting values throughout where required for fasteners and reassembly, below is an exhaustive list of the items covered within this set. This is the most comprehensive service manual available as used by marine engineers and boatyards the world over.

VARIANTS COVERED:

6LY2-STE

6LY2A-STP

6LYA-STP

CHAPTER 1 GENERAL
1. Exterior Views
2. Specifications
3. Performance Curves
4. Dimensions
5. Wiring Diagrams
6. Piping Diagrams
CHAPTER 2 BASIC ENGINE PARTS
1. Cylinder Block
2. Cylinder Head
3. Piston and Piston Pins
4. Connecting Rod
5. Crankshaft and Main Bearing
6. Camshaft and Tappets
7. Timing Gear
8. Flywheel
CHAPTER 3 FUEL INJECTION EQUIPMENT
1. Fuel injection Pump Construction
2. Fuel injection Pump Specifications
3. Fuel supply System
4. Fuel Injection Nozzle
5. Fuel Feed Pump
6. Disassembly, Reassembly and inspection of Governor
7. Disassembly, Reassembly and Inspection of Fuel injection pump
8. Automatic Advancing Timer
9. Fuel feed pump
10. Adjustment of Fuel Injection Pump and Governor
11. Fuel Filter
CHAPTER 4 INTAKE AND EXHAUST SYSTEM
1. Construction and Function
2. Standards for Maintenance and Check
3. Periodical Checking Procedure
4. Disassembly Procedure
5. Cleaning and Checking Procedure
6. Reassembling procedure
7. Handling After Reassembly
8. Troubleshooting
CHAPTER 5 LUBRICATION SYSTEM
1. Lubrication System
2. Lube Oil Pump
3. Lube Oil Filter
4. Oil Pressure Control Valve
5. Lube Oil Cooler
6. Piston Cooling Nozzle
7. Rotary Waste Oil Pump (Optional}
CHAPTER 6 COOLING WATER SYSTEM
1. Cooling Water System
2. Sea Water Pump
3. Fresh Water Pump
4. Fresh Water Cooler
5. Pressure Cap and Sub Tank
6. Thermostat
7. Kingston Cock (Optional)
8. Bilge Pump, and Bilge pump strainer. ~Optional;
CHAPTER 7 REDUCTION AND REVERSING GEAR
1. Specification and System
2. Reassembly and disassembly (KMH6A1)
3. Cautions for Reassembly
CHAPTER 8 REMOTE CONTROL
1. Remote Control System {Option}
2. Remote Control Installation
CHAPTER 9 ELECTRICAL SYSTEM
1. System Diagram
2. Battery
3. Starter Motor
4. Alternator
5. Instrument Panel
6. Warning Devices
7. Tachometer
CHAPTER 10 DISASSEMBLY AND REASSEMBLY
1. Disassembly and Reassembly Precautions
2. Disassembly and Reassembly Tools
3. Disassembly and Reassembly
4. Measure nut/ tightening torque
5. Test running
CHAPTER 11 TROUBLESHOOTING
1. Troubleshooting