Commissioning and operation
28
Preparations
At the time of initial commissioning of a
new or overhauled engine make sure to
have observed the ”Technical Information
for the installation of MAN engines”.
1
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1 Oil filler neck on valve cover
Before daily starting the engine, check
fuel level, coolant level and engine oil
level and replenish, if necessary.
Engine oil level
The notches in the dipstick indicate the
maximum permissible and the minimum
permissible oil levels. Check oil level daily.
Caution:
Do not add so much engine oil that
the oil level rises above the max.
marking on the dipstick. Overfilling will
result in damage to the engine.
The oil required in the sump is specified in
the ”Technical Data” at the end of these
Instructions.
Ensure outmost cleanliness when han-
dling fuels, lubricants and coolants.
Use approved fuels, lubricants and
coolants (see Publication ”Fuels,
Lubricants and Coolants for industrial
and marine Diesel engines”) only, as
otherwise the manufacturer’s guaran-
tee will be null and void.
During operation
During operation the oil pressure in the
engine lubrication system must be moni-
tored. If the monitoring devices register a
drop in the lube oil pressure, switch off the
engine immediately.
The minimum oil pressure with the engine
at operating temperature (oil temperature
> 80°C) is 2.5 bar at 1500 rpm. If the
pressure falls below this value, the engine
must be shut down by the monitoring sys-
tem.
Do not overload the engine. Do not
exceed the maximum permissible en-
gine tilt. If faults occur, find their
cause immediately and have them
eliminated in order to prevent more
serious damage!
The coolant temperature should be
approximately 80 to 85°C.
If the cooling water temperature exceeds
93°C, the engine must be shut down by
the monitoring system.
Alternator
In order to avoid damage to the alternator,
observe the following instructions:
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