This Service Manual offers instructions on standard service procedures (disassembly and reassembly) for Yanmar Diesel Engine models L40AE, L48AE, L60AE, L70AE, L75AE, L90AE and L100AE. More detailed information is given particularly in the sections of the construction and function of each engine part. Before servicing these engines, make sure you read this manual carefully.
CONTENTS
1. Specifications
1.1 Specifications
1.2 Cross Sectional Views
2. Service standard
3. Disassembly and Reassembly
3.1 Tools, Meters and Instruments
1. Tools 2. Meters, Instruments and Service Accessories
3. Instruments
3.2 Tightening Torque
3.3 Maintenace Schedule
3.4 Disassembly Procedures
3.5 Reasembly Procedures
3.6 Recoil Starter
4. Checking and Servicing
4.1 Cylinder Head
4.2 Piston and Piston Pin
4.3 Connecting Rod
4.4 Crankshaft, Flywheel and Main Bearing
4.5 Camshaft and Tappet 4.6 Timing Gear
4.7 Crankcase Cover
4.8 Cylinder Sleeve and Cylinder Block
4.9 Lubrication System
4.10 Fuel System
4.11 Speed Control Device
4.12 Electrical System
- 1. Wiring Diagram
- 2. Starter Motor
- 3. Generator (Dynamo), Regulator and Rectifier
- 4. Air Heater
- 5. Battery
4.13 Adjustment
5. Toroubleshooting
7. Helical Inserting Part for Repair
- Appendix 1 Difference Between Parts under Spec. S and D
- Appendix 2 Detail of Special Tools
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