Initial operation
Lubricating oil system
A3.05.08.00
M20-M601C
en / 28.02.1997 BA000026 1/1
Ĺ
Lubricating oil system
The lubricating oil should be analyzed regularily during operation and after a longer period of
engine down-time, see A4.05.08.nn.
• Clean the lubricating oil duplex filter and the suction strainer, these both being situated in
front of the lube oil force pump and the standby pump (see A5.05.08.02.01.nn,
A5.05.08.04.01.nn)
• Dry sump
- Drain off the water from the oil tank
- Check the oil level
• Wet sump
- Check the oil level in the sump by means of a dip stick.
• Switch on the standby or pre-lubricating pump and
- Vent the entire lubricating oil system.
- Check all flanges and threaded connections in the system for tight connection.
- Check the lubrication of the following points:
Big end and small end bearings
Main bearings
Camshaft bearings
Valve rockers
Oil nozzles for timing gear train
Oil nozzles for the pumps actuating gear
A slight oil flow must be visible.
- Check lubricating oil pressure.
The working pressure has to be reached with switched-on standy or pre-lubricating pump,
see A1.05.
Plants with lubricating oil separator:
• Start the separator and preheat the oil in this manner in due time before starting the engine.
Turbocharger with independent lubricating oil supply:
• Check the oil levels at the turbine and compressor ends (sight glass).
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