TP-5594 5/95 Scheduled Maintenance 3-3
Lubrication System
Your engine has a positive pressure lubrication system
and 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, damage and a shorter enginelife mayresult.
Oil must meet the American Petroleum Institute (API)
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 viscosity
designations for given temperature ranges in which the
generator set will be operated are listed in Figure 3-1.
77_F
(25_C)
32_F
(0_C)
SAE 30 or
10W-30
SAE 20 or
10W-30
SAE 10W or
10W-30
Ambient Temperature SAE
Service
Grades
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
ensure that the level is in the safe range. To check oil
level, remove oil dipstick and wipe dipstick clean (see
Figure 3-2). Reposition dipstick in crankcase and push
it all the way down into the tube. Remove dipstick and
check the level. Oil level must read between MIN and
MAX marks on dipstick. Do not operate set if oil level
exceedstheMAXmarkorregisters below the MINmark
on dipstick.
1-932
1 2
1. MAX Level
2. MIN Level
Figure 3-2. Oil Level Check
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 reading is obtained by
shutting down the generator and waiting several
minutes before checking oil.
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