JLG G12-55A Operator Manual - Manual (Page 136)

Section 7 - Lubrication and Maintenance
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Engine Oil
A. Engine Oil Level Check
1. Perform “Shut-Down Procedure” on page 4-5.
2. Open the engine cover.
3. Remove dipstick (1) and check oil mark. The oil should be between the full (2)
and add (3) marks within the crosshatched area of the dipstick.
4. If oil is low, remove oil fill cap (4) and add motor oil to bring oil up to the full mark
in the crosshatch area.
5. Replace oil fill cap and dipstick.
6. Close and secure the engine cover.
Note: (Before S/N 0160039451 excluding 0160039394 & 0160039397)
The standard service interval for engine oil and filter is 250 hours maximum. If an
extended service interval is desired, see your engine manual for specific guidelines
for optimizing oil change intervals.
10
OW0970
OW1020
OY2040
4
1
3
2
ADD
4
1
BEFORE S/N 0160039451 EXCLUDING
0160039394 & 0160039397
S/N 0160039451 & AFTER INCLUDING
0160039394 & 0160039397