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3.3 Lubrication System
See the Scheduled Maintenance section for oil change
and oil filter replacement intervals. See Section 1 for the
oil drain, oil check, oil fill, and oil filter locations.
3.3.1
Oil Specifications
Use oil that meets the American Petroleum Institute
(API) classification of CD or CF. Using an unsuitable oil
or neglecting an oil change may result in damage and a
shorter engine life. Figure 3-1 shows the recommended
Society of Automotive Engineers (SAE) viscosity
designation for given operating temperature ranges.
Note: Failure to observe the oil specifications may
cause inadequate lubrication/oil pressure and
cold-starting difficulties.
SAE
Service
Grade
--30
--20
--10
C
0
F
Operating Temperature
Figure 3-1 Engine Oil Selection
22
Section 3 Scheduled Maintenance
x:sm:001:002:
10W
20W
10W30
15W40
#20
#30
#40
0
10
20
30
40
C
20
40
60
80
100
F
TP-5856-1
3.3.2
Oil Check
Check the oil level in the crankcase daily or before each
startup to ensure that the level is in the safe range. To
check the oil level, remove the dipstick and wipe the end
clean, reinsert as far as possible, and remove. Maintain
the oil level between the Min and Max marks on the
dipstick, as shown in Figure 3-2. See Section 1 for
dipstick location.
1
1. Max level
2. Min level
Figure 3-2 Oil Level Check
Note: Do not operate the set if the oil level is below the
Min mark or above the Max mark.
2
1-933
TP-6551 2/14
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