UPRENT Betsy 125H, Руководство пользователя

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29
14 Troubleshooting
WARNING
In the event of a malfunction or abnormal operation, shut off the pump or pump unit
immediately to prevent a dangerous situation and/or damage (possibly severe) to the
pump or pump unit.
Inform to responsible persons. Determine the cause of the malfunction. Resolve the
problem before restarting the pump
Problem Cause Detection Solution
Insufficient
vacuum Leakage Suction
hoses/suction lines Measure the vacuum with
the vacuum gauge and a
blind cover at the suction
side. This should be 8 or 9
meters. If not, then there is
damage behind the suction
line (see causes below) Check the complete
suction line for leakage,
this may be caused by f.i.
inferior hose clamps or
missing gaskets. The hose
may also be porous or
cracked.
Defect vacuum
pump Covers the delivery of the
vacuum pump by hand and
feel if sufficient air is
delivered. Replace vacuum pump
Insufficient tension
on divisible belt
vacuum pump Check the tension of the
divisible belt vacuum pump Tighten divisible belt, with
tensioning slide rails
vacuum pump
Opened drain tap in
bottom pump house
or float chamber Check whether the drain
tap concerned is closed Close tap
Open ball check
valve because of dirt
or similar Check ball check valve
through inspection hatch Clean ball check valve
No or not enough
capacity
Blocked strainer
basket, lines and/ or
pump Check strainer basket,
lines and pump Clean strainer basket, lines
or pump house.
Blocked ball valve
by dirt or similar Check ball check valve
through inspection hatch Clean ball check valve
Impeller play set
incorrectly Check impeller play, with
inactive pump Set impeller play
Suction and/ or
delivery line too
small Check the diameter of the
suction and/ or delivery
line Fix the correct diameter
suction and / or delivery
line
Suction lift too high
or suction length too
long Check suction lift or length Lower the suction lift or
reduce the suction length
Vacuum pump does
not work
Low oil level
Check oil level Refill oil