JLG G12-55A Service Manual - Manual (Page 30)

General Information and Specifications
2-18 G10-55A, G12-55A
2.5.2 1st 250, 250 & 500 Hour
Note: Engine oil & filter service interval can be extended. See Engine Manual for details.
250
Change
Transmission
Oil & Filter
250
EVERY
Change Engine Oil
and Filter* (Before
S/N 0160039451)
Air Filter
Vacuator
Valve
Check
Fan Belt
Check Boom
Wear Pads
Check
Rear Axle
Stabilization
1 st
MY4750
Change
Axle Oil
Change Wheel
End Oil
Check Axle
Oil Level
Check Wheel
End Oil Levels
Check Transfer
Case Oil Level
Change
Transfer Case
Oil
Check Boom
Extend Chains
500
EVERY
Check Wheel
Lug Nut
Torque
LB/FT (N
m)
Change Fuel
Filter
Change Engine Oil
and Filter* (S/N
0160039451 & After)
Change Fuel
Filter & Strainer
(Before S/N 0160032082)
Lubrication
Schedule