Need help?Do you have a question about the Yanmar 2QM20F and is the answer not in the manual?
General| Engine Model | 2QM20F |
|---|---|
| Engine Type | Marine Diesel Engine |
| Type | In-line |
| Number of Cylinders | 2 |
| Rated output | 20 HP |
| Max Output | 20 HP |
| Max RPM | 3600 rpm |
| Cooling System | Freshwater cooling |
| Starting System | Electric start |
| Lubrication system | Forced lubrication |
| Direction of rotation | Counter-clockwise (from flywheel side) |
Instructions on using the correct type of diesel oil and keeping the fuel clean.
Guidance on selecting oil viscosity and avoiding mixing different oil types.
Proper procedure for the initial 50 hours of engine operation and post-run-in checks.
Steps for preparing the fuel system, including filling the tank and checking injection.
Procedures for checking and topping up engine oil levels in the crankcase and clutch case.
Step-by-step guide for hand starting the engine, including lever positions.
Procedures for warming up the engine after starting, including idle time and speed increase.
Check fuel level and ensure adequate supply before the gauge shows empty.
Verify that the oil pressure warning lamp is out.
Check cooling water outlet and the warning lamp status.
Verify that the battery charging lamp is out.
Check exhaust color to indicate engine load and potential issues.
Procedure for stopping the engine immediately if unusual noises occur.
Checks related to fuel system maintenance, including filter and injection.
Maintenance checks for lubricating oil level, lubrication, and oil replacement.
Checks for cooling water system, including circulation, pump, and thermostat.
Maintenance tasks for the cylinder head, like valve clearance and cleaning.
Checks for battery electrolyte, lamps, belt tension, and bolts.
Capacity of the fresh water tank for engine models.
Safety instructions for removing the fresh water tank filler cap.
Procedure for checking fresh water level before daily operation.
Steps for draining cooling water from the system.
Importance of idling engine for ten minutes before stopping.
Instructions for cleaning heat exchanger pipe to maintain cooling.
Importance of checking fresh water leakage for seizing risk.
Guidance on replacing anticorrosion zinc to prevent corrosion.
Steps for mounting the sub-tank and checking tube length.
Checking water level and pipe condition during operational use.
To Next Page
