OPERATING PROCEDURES
MP34.3333
07AUG13
IMPORTANT: Do not continue to push an EXTEND
MANUAL JACK RETRACTION
MANUAL HYDRAULIC OPERATION
1. Place transmission in the recommended position for parking
2. Place pads under the jack feet if the ground will not support
the vehicle on the jacks.
4. The vehicle may be leveled using the manual EXTEND
(UP ARROW) buttons on the right half of the panel. If a yellow
LEVEL SENSING light is on, that side, end or corner of the
Jacks will extend (or retract) in pairs to raise (or lower) a side
or end of the vehicle.
button for more than ten (10) seconds after that pair of
5. When leveling is completed, turn the ignition
switch to the "OFF" position.
the vehicle, and set the parking brake. Turn the ignition to the
"ACCESSORY" position.
jacks are fully extended.
large and / or small valves.
NOTE: Assemblies can have different combinations of
release for retracting only if the "AUTO STORE" button on the
equipped with a manual valve release. Use the manual valve
The solenoid valves on the power unit valve assembly are
DO NOT CRAWL UNDER THE VEHICLE, KEEP A SAFE
DISTANCE IN FRONT AND REAR OF THE VEHICLE.
THE VEHICLE MAY DROP AND/OR MOVE FORWARD
OR BACKWARD WITHOUT WARNING AS THE VALVE
RELEASE IS OPERATED.
1. Locate the manual valve release on each solenoid valve.
The solenoid valves are located on the power unit/valve
2. Allow clearance for the vehicle to lower.
assembly.
WARNING:
KEEP AWAY FROM THE WHEELS,
5. Check that all four jacks are now retracted.
6. Close the valves by moving the valve release cam to
7. The system should now be repaired before using again.
3. Retract the front jacks by slowly opening
the two center valves.
4. Repeat the process for the rear jacks by opening the two
the closed position.
outer valves.
vehicle is low. It is best to level the vehicle side to side first,
if needed, before front to rear.
Any jack not used for leveling can be extended to the
ground. This provides additional stability against wind and
activity in the vehicle. Jacks used to stabilize the vehicle
after leveling is complete should lift the vehicle slightly after
touching the ground.
BREATHER
RELEASE CAM
WITH VALVE
SMALL STYLE
MANIFOLD
CAP
from the vehicle suspension.
3. Push the "DUMP" button. Wait until all air is exhausted
CLOSED
VALVE
OPEN
VALVE RELEASE CAM
LARGE STYLE WITH
CLOSE
VALVE
OPENED
VALVE RELEASE CAM OPERATION
control panel will not retract the jacks for travel.
Large and small valves will be equipped with a valve
release cam. The cam might be rotated in any direction
on the valve. Pushing the release cam in the wrong
direction may damage the valve.
