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General| Engine Model | 2 QM 20 |
|---|---|
| Number of Cylinders | 2 |
| Compression Ratio | 22:1 |
| Fuel System | Mechanical |
| Lubrication System | Forced Lubrication |
| Cooling System | Water-cooled |
| Starting System | Electric |
Instructions on using high-grade diesel oil and ensuring fuel cap cleanliness.
Guidance on selecting appropriate oil viscosity and avoiding mixing oil brands/viscosities.
Procedures for engine break-in over 50 hours and subsequent bolt retightening.
Steps for filling the fuel tank and verifying the fuel injection system.
Instructions for checking and adding lubricant oil to the crankcase and clutch case.
Procedures for both hand and electrical engine starting methods.
Guide for running the engine without load and progressively increasing speed.
Check fuel level and add fuel before the gauge shows emptiness.
Verify the lubrication oil pressure warning lamp is off.
Confirm cooling water flow from the outlet and ensure the warning lamp is off.
Ensure the battery charging lamp is off during operation.
Monitor exhaust color; black fumes indicate excessive load.
Stop and check the engine immediately if unusual noises occur.
Steps to stop the engine: neutral gear, then speed control to STOP.
Turn the fuel cock to the CLOSE position after stopping the engine.
Procedure to drain cooling water to prevent freezing in cold weather.
Steps to remove air from the fuel system via vent plugs.
Regular checks and maintenance for fuel system components.
Procedures for checking/changing lubricant oil and replacing strainers.
Tasks for cooling water circulation, pump, thermostat, and zinc maintenance.
Checks for cylinder head components, valves, and bolts.
Periodic inspection of battery, lamps, belts, and major bolts.
Details on fresh water tank capacity for various engine models.
Guidelines for using clean soft water and precautions against hard water.
Recommendation to add rust inhibitor when changing fresh water.
Advice on using antifreeze in winter to prevent freezing damage.
Safety instructions for removing the fresh water filter cap when engine is running or hot.
Procedure to check fresh water level before daily operation.
Steps to drain water from the cooling system via drain cocks.
Importance of idling the engine for ten minutes before stopping to prevent damage.
Instructions for cleaning the heat exchanger pipe if it becomes dirty.
Importance of checking fresh water leakage to prevent engine seizing.
Information on anticorrosion zinc, its replacement, and cleaning.
Guidelines for mounting the sub-tank at the same height as the clean water tank.
Procedures for checking cooling water level and pipe integrity during use.
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