5
WARNING: Remove jack from service before making adjustments
NOTE:
Problems listed above with more than
one solution may have a combination of
causes. Please be sure that all solutions
listed for each problem have been
checked to eliminate possibility of further
trouble. Sometimes solutions may need
to be repeated for best results.
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Power unit may
be low in fluid.
With jack on level
surface and in
down position,
remove filler plug
and add clean
hydraulic jack
fluid to level of
filler.
Power unit may
be air bound.
Open the release
valve a minimum
of 2 full turns.
Pump the handle
a minimum of 20
full strokes to
purge air from
the system.
Valve may not be
closing
completely.
To seat valves:
a.) Close release
valve.
b.) With jack in
fully lowered
position,
manually raise
lifting arm as
high as
possible.
c.) Open release
valve and
allow jack to
descend to
lowered
position
Will not lift load
Will not hold load
Will not lift to full height
Pump feels "spongy" under load
Handle raises under load
Handle lowers under load
TROUBLESHOOTING
Your Performance Tool® product was constructed with quality materials and work-
manship and will give you many years of trouble free use when cared for as described
in the "Care & Maintenance" section on page 4. However, as with any mechanical
device, periodic adjustments are necessary to maintain a peak level of performance.
Should your jack be displaying any of the following symptoms, the simple procedures
shown below will correct the problem.
Figure 4
