Harbor Freight Tools AIR/OVER HYDRAULIC JACK 41487 - Manual (Page 5)

Page 5 SKU 41487 REV 05/04
7. Press the Lever (1.13) to the On position and lock using the Lock Lever (1.17)
This provides a continuous air supply to the Air Pump (4).
8. Raise the Jack by alternately lifting and lowering the Handle assembly.
Lowering
Caution: Avoid rapid descent of the load. Turn the Release Valve slowly.
1. Release the Lock Lever (1.17) to stop air flow to the Air Pump (2).
2. Remove air supply hose from the Air Inlet Fitting.
3. Place the slotted end of the Handle (5, 6) assembly over the Release Valve (18, 21).
4. Slowly and carefully lower the load by turning the Release Valve counterclockwise in
extremely small increments using only the Handle assembly (never your hand).
5. Lower the Extension Screw (44) as needed by turning clockwise.
6. Remove the Jack.
Maintenance
General Care
1. Periodically lubricate the joints and Extension Screw (44) with a light oil as needed.
2. Clean the outside of the Jack with a dry, clean cloth.
3. If the Jack is exposed to moisture, wipe dry with a clean cloth and lubricate as noted
above.
4. Store jack with Extension Screw (44) and Ram (48) fully collapsed.
Extension Screw (44)
Hose Connector (1.1)
Air Hose (2)
Handle fits in
Handle Sleeve
(7)
Connector (3)
Lever (1.13) and
Lever Lock (1.17)
Release Valve (18, 21)
Air Pump
(4)
Handle (5, 6)