JLG sky trak mmv Service Manual page 52

General Information, Specifications and Maintenance
c. Oil and Filter Change
250
50
OH26701 MS21702
Change the oil and filter after the first 50 hours of vehicle
operation, at 250-hour intervals. To change the oil and
filter:
1. Operate the engine until it reaches operating
temperature (approximately five minutes).
2. Level the vehicle, ground the attachment, place the
travel select lever in the [N] NEUTRAL position, place
the neutral lock lever in the [N] NEUTRAL LOCK
position, engage the parking brake switch and shut
the engine OFF.
3. Place an Accident Prevention Tag on both the ignition
switch and steering wheel, stating that the vehicle
should not be operated. (Refer to Section 1.5,
Accident Prevention Tag Usage .)
4. Open the engine cover.
2
5. Place an oil drain pan under the engine oil pan drain
hose (1). The hose is located under the engine up
behind the hydraulic oil reservoir.
6. Lift the petcock lever (2) up and turn
counterclockwise to OPEN and drain the oil from the
engine oil pan.
2.36
7. Allow the oil to drain completely into the receptacle.
Transfer the oil to a container with a cover and label
the container as used motor oil. Dispose of used oil
at an approved recycling facility.
8. Remove the oil filter (3) and clean the filter-sealing
surface. The oil filter is remotely mounted on a
bracket under the frame, in front of the transfer box.
Access the filter from under the vehicle.
OS0830
9. Apply a thin coat of clean engine oil to the new filter
mating surface.
10. Install the new oil filter and hand tighten. Use an oil
filter wrench or strap to tighten the filter down an
additional one-quarter to half turn. DO NOT
overtighten.
11. Turn the oil drain petcock lever (2) clockwise and
lock into the CLOSED position. The petcock lever is
spring loaded and will lock in the CLOSED position.
12. Remove the engine oil fill cap (5) and add oil (refer to
the recommended engine oil/temperature range
chart on page 2.35 for recommended oil types for
various operating conditions). Engine oil capacity
with filter change is 13.3 qt (12,6 liters).
13. Reinstall the oil fill cap. Start the engine and allow it
to run for several minutes.
14. Shut off the engine. Wait several minutes, and then
check the oil level again on the dipstick (4). Add oil as
required. DO NOT overfill.
15. Look for oil leaks at the filter and drain plug. Tighten
as required.
1
OM1310
4
3
OM1740
Model MMV Rev. 12/04