Husky HD00120 - Troubleshooting; Jack Will Not Lower; Jack Will Not Hold Weight; Jack Will Not Raise

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Troubleshooting
Problem Probable Cause Solution
The jack will not lower
completely.
□ There is air in the hydraulic
system.
□ The release valve is stuck.
□ Purge air from the hydraulic
system.
□ Transfer the weight load and clean
the valve.
The jack will not hold weight. Release the valve in open
position. Check the locking pin
and release handle to make sure
they are functioning properly.
Close the release valve tightly.
The jack will not raise. □ The oil level is low.
□ There is air in the hydraulic
system.
□ Fill to recommended level.
□ Purge air from the hydraulic
system.
The jack lifting is weak. □ There is air in the hydraulic
system.
□ The oil is dirty.
□ The release valve is not
completely closed.
□ Purge air from the hydraulic
system.
□ Change the oil.
□ Close the release valve tightly.
The jack will not lift the load. □ The weight is excessive.
□ The release valve is in the
open position.
□ The oil level is low.
□ Decrease the weight or change to a
higher capacity jack.
□ Turn the valve clockwise and
tighten.
□ Fill to a recommended level.
The lift arm will not lower. Check the locking pin and release
handle to make sure they are
functioning properly.
Call customer service.
WARNING: TO PREVENT SERIOUS INJURY: Use caution when troubleshooting a malfunctioning jack. Stay clear of the supported load.
Completely resolve all problems before use. If the solutions presented in the Troubleshooting guide do not solve the problem, have a qualied
technician inspect the and repair the jack before use.
After the jack is repaired: Test it carefully without a load by raising and lowering it fully, checking for proper operation, BEFORE RETURNING
THE JACK TO OPERATION