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craftsman marine diesel engines CM4.33 / cm4.42
Changing of the engine lubrication oil
Remove the dipstick rst. Then insert the hose of the
special sump pump into the pipe of the dipstick. Extract
the oil from the engine by quickly pushing down the grip
of the sump pump and then pull it slowly upwards.
Fitting the oil lter
When all lubricating oil has been drained, replace the oil
lter. A little more oil may then come out of the engine.
Collect this oil in a beaker or bowl and bring it, with the
rest of the used oil, to the service station, all in accor-
dance with the environmental directives.
Replacing the oil must take place when
the engine has its operating temperature
(but is stopped, of course), so that the
uid can be pumped out easily. The oil
temperature is then about 80 degrees
Celsius, so watch out for burning the
skin !
Replace the engine lubricant and the oil lter after every
100 hours of service or at least once a year.
Preparation of the new oil lter
Clean the surface of the rubber ring in the rim of the oil
lter and grease it with fresh engine lubrication oil.
Engine lubrication oil
11 Maintenance and inspection
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