13
TROUBLE SHOOTING
* - Do not overfill reservoir. Lift must be completely lowered prior to adding fluid.
CAUTION
The pump does not start
TROUBLE CAUSE REMEDY
or stops during the
operation (before
reaching the maximum
pressure).
a)
b)
Return spring broken
Air loss, check the piston seal
a)
b)
Replace
Replace if faulty
The pump works but does
not send oil
a)
b)
Oil level low
Pump does not prime
a)
b)
Top up oil
Operate the pedal in the "RELEASE
area at the same time as the air valve to
start the motor.
- Bleed the air out
- Pressurize the tank
CAUTION
Max. pressure 0.5 Bar (7 P.S.I.)
- Remove and clean
Low capac
ity
a)
b)
c)
Tank not ventilated
Insufficient air capacity
Hydraulic causes:
- Check that the oil filter is not blocked
- Air in the hydraulic circuit
- Check that the ball of the suction valve
works properly
a)
b)
c)
Ventilate tank through the screw on the
plug
Capacity should be 250 Lt/minute
- Clean or replace
- Bleed air from the circuit
- If necessary add a copper washer or
replace coupling if the housing is worn.
The pump does not reach
the maximum pressure.
a)
b)
Check the air pre
ssure
Valve or gaskets faulty or dirty
a)
b)
7 bar (100 P.S.I.) is required
Clean or replace
The pump reaches the
maximum pressure but
does remain under
pressure.
a)
b)
c)
d)
Check hydraulic connections
Dirt under the pedal
The ball of the delivery valve
Leakage on the apparatus connected
a)
b)
c)
d)
Tighten if necessary
Clean
Replace gaskets
Repair and check seal
Excessive oil leaks from
the air drainage.
a)
Gaskets faulty
a)
Replace
Oil tank gets up to
pressure with air and oil
leaks from the valve.
a)
b
Air leakage from the gaskets
Tank too full of oil
a)
b)
Replace gaskets
Check the level
Pump continues to pump
even after the pedal has
been released.
a)
b)
Gaskets faulty
Air valve spring broken or too weak
a)
b)
Replace
Replace
After a period of disuse,
the pump does not start.
a)
Gaskets faulty
a)
Replace
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General