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Lubrication System
For engine lubrication, use lubricating oil designated for diesel service. These oils are classified
according to the API specijications into service grades CA,
ce,
CC and CD. The use of CC
or higher (CD) grades, made by well-known manufacturers is recommended.
Engine all Viscosity (SAE Number)
Use an oil having a viscosity best
su~ed
to the atmospheric temperature. Use of an all-season
oil SAE 10W-30
w~h minim~m
viscosity change under different temperatures is suggested.
Atmospheric Temperature
Viscosity
68" F (20" C) or higher
SAE 30 or 10W-30
41" F (5" C) - 68" F (20" C)
SAE 20 or 10W-30
41" F(5" C) - or lower
SAE 10W-30
figure 5.10.
Engme Od
VISCOSity
NOTE: Do not use an engine lubricating oil
w~h
an SAE number greater
than 30 in the engine.
011
Pressure
The engine's oil pressure, during operation, is indicated by the oil pressure gauge on the
instrument panel (figure 4.1). During normal operation, the oil pressure will range between 35
and 55 psi.
15.0KWBTDA
NOTE: A newly started, cold engine can have an oil pressure reading
upwards of 60 psi. A warmed engine can have an oil pressure reading
as low as 35 psi. These readings will vary depending upon the temperature
of the engine and the load placed on the generator.
45
Westerbeke Generators
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Troubleshooting
