© 2004 SPX Corporation
Sheet No.
Issue Date: Rev. G, May 30, 2007
Operating Instructions
(Refer to Figure 1)
Control rod in Position A: Allows you to pump the jack using the handle.
Control rod in Position B: Locks the handle in place in three different positions.
1. Connect the shop air supply to the jack. (Shop air should be clean, dry, and regulated at 85–142 psi.)
2. Turn the release knob completely counterclockwise, and place the control rod in Position A.
3. Position the jack under the vehicle using the manufacturer’s recommended lifting points on the chassis. The jack
must be free to roll without any obstructions while lifting or lowering the vehicle. The wheels of the vehicle must be in
the straight-ahead position, with the emergency brake released.
4. Turn the release knob on the jack completely clockwise. Operate the air valve, pump the jack handle, or pump the foot
pedal until the saddle touches the vehicle. Check the placement of the saddle lugs. Finish lifting the vehicle.
5. Place approved safety stands under the vehicle at points that will provide stable support. Before working on the
vehicle, SLOWLY lower the vehicle onto the safety stands by turning the release knob counterclockwise.
Parts List & Operating Instructions Form No. 524678
Priming the Air Pump
If air cannot be bled using the air pump air bleed procedure, the air pump
has lost its prime. To prime the pump:
1. Remove the cover board (Item 26).
2. Loosen the bolt (Item 46; also see Figure 2) one-half turn.
3. Close the release valve by turning the release knob clockwise.
4. Run the air pump while repeatedly tightening and loosening the bolt. (A
small amount of oil may seep from underneath the bolt during this
process).
5. When the piston begins to rise, tighten the bolt.
6. Verify the jack will rise to its full height; add oil to the reservoir if
necessary.
Air Bleed Instructions
continued . . .
Bolt
Figure 2
a. cracked or damaged housing e. malfunctioning swivel heads or adjusting screws
b. excessive wear, bending, or other damage f. loose hardware
c. leaking hydraulic fluid g. modified or altered equipment
d. scored or damaged piston rod
Grease Nipple
IMPORTANT:Dirtisthegreatestsinglecauseoffailureinhydraulic
units. Keep the service jack clean and well lubricated to prevent
foreign matter from entering the system. If the jack has been
exposed to rain, snow, sand, or grit, it must be cleaned before it
is used.
1. Store the jack in a well-protected area where it will not be exposed
to corrosive vapors, abrasive dust, or any other harmful elements.
2. Refer to the illustration, and regularly (at least once per month)
lubricate the moving parts shown.
3. Addgreasetoupperarmgreasenipple(shown)everythreemonths.
4. Ifnecessary,addapprovedanti-wearhydraulicjackoil.IMPORTANT:
Theuseofalcohol,hydraulicbrakefluid,detergentmotoroil,or
transmission oil could damage the seals and result in jack
failure.
5. Inspect the jack before each use. Take corrective action if any of the following problems are found:
Preventive Maintenance
Release
Knob
3 of 3
