Product Manual

4
SYSTEM AIR PURGE PROCEDURE
1. Turn release valve counterclockwise on full turn to the open position.
2. Pump handle eight full strokes.
3. Turn release valve clockwise to the closed position.
4. Pump handle until the ram reaches maximum height and continue to pump several times to remove trapped air in
the ram.
5. Carefully and slowly pinch oil ll plug to release trapped air.
6. Turn release valve counterclockwise to the open position one full turn and lower ram to the lowest position. Use force
if necessary.
7. Turn release valve clockwise to the closed position and check for proper pump action. It may be neccesary to perform
the above step more than once to verify air is evacuated totally.
WILL
NOT LIFT
LOAD
WILL
NOT HOLD
LOAD
WILL
NOT
LOWER
POOR
LIFTING
CAUSES AND SOLUTIONS
Release valve is not completely closed.
Turn handle clockwise.
Air is in the hydraulics.
Purge air from system.
Low oil level.
Add oil as required.
Lubricate moving parts.
Power unit malfunctioning.
Replace the power unit.
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