EN
34
916.000.901_000
HTS/HTW/FTW
7.5
The plunger of the hydraulic tool extends but does not keep its pressure
/i
7.6
The plunger of the hydraulic tool does not retract, retracts slower than
normal
/i
7.7
The pump leaks oil
/i
7.8
The pump leaks oil from the tank vent during transport
/i
7.9
The pump rod moves upwards when there is pressure
/i
The oil is foaming.
Vent the oil tank
The load is excessive.
Do not load a tool more than the maximum
allowed.
The plunger is seized in the cylinder.
Have it repaired by a Holmatro Certified
Technician.
Possible cause
Solution
There are leaking seals.
Have it repaired by a Holmatro Certified
Technician.
There is internal leakage in the pump.
Possible cause
Solution
There is pressure in the system.
Depressurize the system by setting the pressure
relief valve in the "neutral" position.
There is air in the hydraulic system.
Vent the hydraulic system.
The cylinder return spring is broken or other
damage to the cylinder
Contact your Holmatro dealer.
Possible cause
Solution
There is too much oil in the oil tank.
Bring the oil level back to the correct level, after
setting all tools in the output position.
The couplers are not connected correctly.
Tighten loose couplers.
Possible cause
Solution
The oil level is too low.
Refill the pump with oil.
The air vent valve on the tank is closed.
Close the air vent valve on the tank.
Possible cause
Solution
The check valve is faulty.
Have it repaired by a Holmatro Certified
Technician.
Possible cause
Solution
