Scheduled Maintenance 3-3TP-5648 8/93
Lubrication System
This engine has a positive pressure lubrication system
and a low oil pressure shutdown.
Oil Selection
The selection of engine oil is very important to a diesel
engine. If an unsuitable oil is used or an oil change is
neglected, it may result in damage and a shorterengine
life. Oil must meet the API (American Petroleum
Institute) classification of CC, CD or CE. Avoid mixing
different brands of oils and lubricants; oils of different
manufacturers may be incompatible and deteriorate
when mixed. Recommended SAE (Society of
Automotive Engineers) viscosity designation for given
temperature ranges in which the generator set will be
operated are listed in Figure 3-1.
Air Temperature Oil Viscosity
Below 32° F (0° C) SAE10W or 10W-30
32°--77° F (0°--25° C) SAE 20 or 10W-30
Above 77° F (25° C) SAE 30 or 10W-30
Figure 3-1. Engine Oil Selection
NOTE
Failure to observe these standards may cause
inadequate oil pressure and cold-starting difficulties.
Oil Check
Check crankcase oil level daily or before each start to
insure that the level is in the “safe range.” To check oil
level, remove oil dipstick and wipe dipstick clean.
Reposition dipstick in crankcase and push it all the way
down into the tube. Remove dipstick and check the
level. Oil level should read between MIN and MAX
marks on dipstick. Do not operate set if the oil level
exceedsthe MAX markorregisters below the MINmark
on the dipstick.
NOTE
Do not check oil level when the set is in operation. The
engine must be stopped and on a level surface when
checking oil. Most accurate oil readingsare obtainedby
shutting down the generator and waiting several
minutes before checking oil.
Oil Change
Onanewengine,changetheoilafterthefirst50hoursof
operation and thereafter at 100-hour intervals or 3
months, whichever occurs first. Change oil more
frequently under dirty, dusty conditions. Change oil
while the engine is still warm.
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