ENVA 10870805 Manuel D'instructions page 14

Troubleshooting
Fault Possible cause
Drain valve not fully closed
Jack does not
raise
Oil level is too low
Drain valve is not fully
closed.
Jack does not
hold the load
The hydraulic system is
clogged by impurities in
the oil
Oil level is too low
Jack does not
lift load up to
max. height
Air in the hydraulic system
Joints insufficiently
greased/oiled
Lift arm does
not lower fully
Return spring may be
blocked by foreign bodies
Joints insufficiently
greased/oiled
Jack does not
lift smoothly
Air in the hydraulic system
Solution
Close the drain valve
Move the lift arm to the resting position
and add hydraulic oil up to the bottom
of the filler plug
Close the drain valve
Open the drain valve. Stand on the front
wheel with one foot and pull the lift arm
to its full height manually. Lower the lift
arm and try again
Move the lift arm to the resting position
and add hydraulic oil up to the bottom
of the filler plug
Open the drain valve, move the pump
lever up and down quickly, in full
strokes, before restoring the lift arm to
the resting position.
Check the oil level and top it up if need
be
Top up with suitable lubricant
Check for foreign bodies and remove if
need be
Top up with suitable lubricant
Open the drain valve, move the pump
lever up and down quickly, in full
strokes, before restoring the lift arm to
the resting position.
Check the oil level and top it up if need
be
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