Gravely 996122 Owner's/Operator's Manual page 35

Engine Oil Fill, Drain and Check Locations
Refer to Figure 31 and Figure 32:
Warm oil drains quickly and completely. Therefore, drain
used engine oil while engine is still warm as follows:
1. Park vehicle on a level surface, set park brake, turn off
ignition switch and remove switch key.
2. Place a suitable container below engine to catch used
oil. Remove filter access cover and drain plug to allow
oil to drain out.
3. Remove oil filter with a filter wrench and let remaining
oil drain out. Discard oil filter.
4. Clean engine filter base.
5. Coat new filter O-ring with clean engine oil and install
filter to engine filter base.
6. Hand tighten oil filter until O-ring seats. Finish
tightening by turning the filter to the specified turning
angle.
Turning Angle: 2/3 of a turn
Figure 30
7. Reinstall and tighten drain plug securely.
8. Dispose of used motor oil and filter in a manner that is
compatible with the environment. Do not throw used oil
in the trash, pour it on the ground, or down a drain.
9. Fill engine with 1.6 US quarts (1.55L) of 10W30 oil. Do
not overfill. See Level Check on page 34.
10. Replace filler cap, start engine and check oil filter for
leaks.
11. Stop engine and check oil level as outlined in section
Level Check on page 34.
Case Oil
A general description of maintenance, recommendations
and capacities for the trans-axle case, center transfer case
and front differential case are provided below.
Maintenance Schedule
• Check case housing for damage and possible oil
leakage after each use.
• Check oil level every 6 months or every 100 hours
(whichever comes first).
• Change oil once a year or every 400 hours (whichever
comes first).
GB - 35
Oil Filter Location
Figure 31
Oil Filter O-Ring
Figure 32
21134