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Figure 1 - HW93657/ HW93667
OPERATION
Lifting
1. Place the vehicle in the park gear.
2. Engage the emergency brake.
3. Chock the wheels securely to prevent inadvertent vehicle movement.
4. Locate and close the release valve by turning release knob clockwise, firmly.
5. Center jack saddle under lift point. Refer to the vehicle manufacturer owner's manual to locate approved lifting points on
the vehicle.
6. Verify lift point then use handle pump to contact lift point. To lift, pump handle until load reaches desired height.
7. Transfer the load immediately to appropriately rated jack stands.
Lowering
1. Raise load high enough to clear the jack stands.
2. Remove jack stands, carefully. (always used in pairs).
3. Slowly turn the release knob counterclockwise, but no more than 1/2 turn. If the load fails to lower:
a. Use another jack to raise the vehicle high enough to reinstall jack stands.
b. Remove the malfunctioning jack and then the jack stands.
c. Using the functioning jack, lower the load by turning the operating handle counterclockwise, but no more than 1/2 turn.
4. Push saddle down to reduce ram exposure to rust and contamination after removing the jack from under the load.
Release Knob
Handle
Lift Arm
Handle Fork
Caster
Figure 3 - HW93657/ HW93660 Nomenclature
Saddle
Front Wheel
Air Vent Screw
(on the power unit)
Figure 2 - HW93660/ HW93662
Air Hose
Handle Fork
Air Vent Screw
Lift Arm
(on the power unit)
Lift Arm
Saddle
Air Motor
Figure 4 - HW93667/ HW93662 Nomenclature
Release Knob
Handle
Caster
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