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Be sure the rod of the hydraulic cylinders is always clean and not damaged since this
may result in leakage from seals and, as a consequence, in possible malfunctions.
Hydraulic circuit
Every 3
Foundation bolts
months
Hydraulic pump
Safety system
Every 6
Oil
months
General check
Every 12
months
Electrical system
Every 24
Oil
months
CHaPTEr 10 - TroUBLESHooTiNG
A list of possible troubles and solutions is given below.
t
rouble
The lift does not work
EN - Operator's manual
9.2 Periodic maintenance
:
p
ossible Cause
The main switch is not
turned on
There is no power
The electrical wires are
disconnected
Fuses are blown
Check oil tank level; refill with oil, if needed.
Check the circuit for oil leakage.
Check seals for proper conditions and replace
them, if necessary.
Check bolts for proper tightening.
Verify that no noise changes take place in the
pump of the control desk when running and
check fixing bolts for proper tightening.
Check safety devices for proper operation.
Check oil for contamination or ageing. Contami-
nated oil is the main reason for failure of valves
and shorter life of gears pumps.
Verify that all components and mechanisms are
not damaged.
A check of the electrical system to verify that
control desk motor, limit switches and control
panel operate properly must be carried out by
skilled electricians.
Change hydraulic oil at 2 year intervals.
:
s
:
olution
Turn the switch on.
Check Power on to restore
if necessary.
Replace.
Replace.
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