Holmatro PA Serie Manual De Instrucciones página 36

EN
Problem Possible cause
The tool is not One or more couplers are not connected
operating or no properly.
longer operating
The pressure relief valve on the pump is
satisfactorily
in the open (0) position..
The pump is not in a level position.
There is not enough oil in the oil tank.
The oil is foaming.
The load is excessive.
The plunger is seized in the cylinder.
The plunger of There are leaking seals.
the hydraulic
tool extends but
There is internal leakage in the pump.
does not keep its
pressure
The plunger of There is pressure in the system.
the hydraulic
tool does not
retract, retracts
There is air in the hydraulic system.
slower than nor-
The cylinder return spring is broken or
mal
other damage to the cylinder
The pump leaks There is too much oil in the oil tank.
oil
The couplers are not connected cor-
rectly.
Pumpflow drops, The vacuum in the tank is too high.
lever tends to
move back to the
tank
The pump rod The check valve is faulty.
moves upwards
when there is
pressure
The pump leaks The pump leans more than 5° back-
a lot of oil at the wards.
backside when
retracting a load
(for PA38 and
PA58 only)
36
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Solution
Disconnect and reconnect the cou-
pler(s).
Set the pressure relief valve on the
pump to the closed (1) position.
Place the pump horizontally.
Bring the oil level back to the correct
level, after setting all tools in the output
position.
Vent the oil tank
Do not load a tool more than the maxi-
mum allowed.
Have it repaired by a Holmatro Certified
Technician.
Have it repaired by a Holmatro Certified
Technician.
Have it repaired by a Holmatro Certified
Technician.
Depressurize the system by setting the
pressure relief valve in the open (0) posi-
tion.
Vent the hydraulic system.
Contact your Holmatro dealer.
Bring the oil level back to the correct
level, after setting all tools in the starting
position.
Tighten loose couplers.
Open and close the filler cap so the tank
is aerated.
Have it repaired by a Holmatro Certified
Technician.
Place the pump on a flat surface.
PA