Harbor Freight Tools 2-Ton Compact Floor Jack 68783 - Manual (Page 5)

SKU 68783 For technical questions, please call 1-800-444-3353 Page: 4
Troubleshooting
To Prevent Serious Injury:
Use caution when troubleshooting a malfunctioning jack. Stay well 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 qualified technician inspect 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.
DO NOT USE A DAMAGED OR MALFUNCTIONING JACK!
POSSIBLE SYMPTOMS
PROBABLE SOLUTION
(Make certain that the jack is not
supporting a load while attempting a
solution.)
Jack will
not lift at
its weight
capacity
Saddle
lowers
under load
Pump
stroke
feels
spongy
Saddle will
not lift all
the way
Handle
moves up
when jack
is under
load
Oil leaking
from filler
plug
X X Check that Release Valve is fully closed.
Bleed air from the system.
X X X
Valves may be blocked and may not
close fully. To flush the valves:
1. Lower the Saddle and securely
close the Release Valve.
2. Manually lift the saddle several inches.
3. Open the release valve and force the
saddle down as quickly as possible.
X
X X
Jack may be low on oil.
Check the oil level and refill if needed.
Jack may require bleeding -
see instructions on page 2.
X
Unit may have too much
hydraulic oil inside, check fluid
level and adjust if needed.