Short Description
Engines with type designation D1 and MD1 are one-cylinder, four-stroke Diesel engines with overhead valves. The total capacity os 445 c.c. Engines with type designation D2 and MD2 are two-cylinder, four-stroke Diesel engines with overhead valves. The total capacity is 890 c.c. MD1 and MD2 are marine Diesel engines. D1 and D2 are industrial Diesel Engines. The combustion chambers in the engines are designed for direct fuel injection, this resulting in low fuel consumption, smooth running and immediate starting.
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Content
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A compression test is used to determine the condition of the engine in a simple and reliable way. The compression gauge is usually graduated in kg/cm2 or lb./sq.in. The test is carried out by first running the engine warm and then removing the injectors and checking the compression on each cylinder in turn.
Move the speed control to the zero position or turn the fuel injection pump lever in a clock-wise direction.
Engine with manual starter
move the decompression handle so that it points upwards. Turn the engine over as fast as possible by using the starter crank and push down the decompression handle completely while continuing to turn the engine over.
Engine with electric starter
Turn on the key switch. Then press the starter button. make sure that the battery is in good enough condition to turn the engine over at 200-240 r.p.m. It is also important to ensure that the compression gauge connection is in good condition and that tightening is properly carried out if the test is to be reliable.
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