42
Voith Turbo H + L Hydraulic GmbH & Co. KG
25000057510-TED-ENX-04
16 Faults and solutions
This section describes faults and the measures necessary to x them. Identify and
resolve the cause of the fault before recommissioning!
Operating fault Possible cause Solution
The pump has no
suction
The plugs on the pump suction nozzle
have not been removed
Remove the plugs
Wrong direction of rotation by pump
and drive motor
Check the direction of rotation, and switch
around
Oil level too low (suction piping above
operating uid level)
Add oil
Suction piping above the permitted
minimum operating uid level
Extend the suction piping
The suction piping is not sealed Seal the pipe, tighten the screw fitting
The delivery pipe is blocked or preloaded by
a valve, meaning the pump can no longer
expel air
Switch the valve to depressurized circulation or
bleed the pump on the pressure side
The viscosity of the pressure fluid is too high Use the pressure fluid in accordance with the
permitted viscosity values
The pressure is too low in the suction piping,
the flow resistance is too high
Enlarge the suction cross-section, clean the
suction filter, correct the suction pipe, reduce
the suction height, reduce the suction length
Internal gear pumps
Faults and solutions
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