Harbor Freight Tools 46766 Work Light User Manual


 
Sku 46766 For technical questions, please call 1-800-444-3353. Page 7
Operation (cont’d)
CAUTION!
Step 4) To raise the Boom (13), turn the Hydraulic Ram’s release valve fully clockwise. Pump the
Handle (23) up and down repeatedly until the item is lifted to the desired height.
Step 5) To lower the Crane, slowly turn the release valve counterclockwise.
Folding the Shop Crane
Step 1) Lower the Crane all the way.
Step 2) Remove the front two Pins (3). Leave rear Pins (3) in place.
Step 3) Raise the Legs (8 & 25) until they rest against the Support Post (10).
Step 4) Set the loose Pins (3) into the middle hole in the Base.
Note: When folded up, the Shop Crane can be rolled on the 2 small Casters and 2 mid size Casters.
Troubleshooting Tips
PROBLEM SOLUTION
Hydraulic Ram will not lift load
Release valve not closed. Turn valve clockwise.
Check Hydraulic fluid level
Pump seal and backup ring defective. Have serviced by
a qualified technician.
Will not hold load/ Handle rises
Discharge ball is not sealing hydraulic system.
Hydraulic fluid may be dirty.
Open Release Valve and then pump the Handle.
Flush system.
Bleeding Instructions:
Will not lift to its full height
Check Hydraulic fluid level.
Air in Hydraulic system. Open Release valve, pump
handle four full strokes to release air.
Top off with Hydraulic Fluid. Close the oil fill cap. Close
Release Valve.
Will not lower completely
Return Spring broken or linkages binding. Grease pivot
shaft; oil all linkages.
Have qualified technician replace Return Spring
Bleeding Instructions:
Feels spongy; will not lift smoothly
Check Hydraulic fluid level.
Air in Hydraulic system. Open Release valve, pump
handle four full strokes to release air.
Top off with Hydraulic Fluid. Close the oil fill cap. Close
Release Valve.
Limit movement of the Shop Crane when under load. Always lower the load as low as possible to reduce
the center of gravity. DANGER! If the load is not lowered and is allowed to swing freely, the Shop
Crane can tip over.
REV 11/02; 04/03