- Ensure that the respective sliding surfaces are in good condition.
- Take special care to check that the circulating oil supply is in order.
12) Start the circulating oil pump and turn the engine by means of the turning gear.
- Check the oil flow from all bearings, spray pipes and spray nozzles in the crankcase, chain case and thrust bearing.
- Check for possible leakages from pistons or piston rods.
13) Start the engine.
After:
- One hour later,
- 15-30 minutes,
- when full load is reached:
Stop and feel over, Look for oil mist.
Especially feel over (by hand or with a “thermo-feel”) the sliding surfaces which caused the overheating. .
14) In cases where it has not been possible to locate the “hot spot”, the procedure according to Point 10 above should be repeated and intensified until the cause of the oil mist has been found and remedied.
There is a possibility that the oil mist is due to “atomization” of the circulating oil, caused by a jet of air/gas, e.g. by combination of the following:
