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OPERATING AND MAINTENANCE MANUAL
ELECTRIC BILGE PUMPS KBS SERIES
8. PROBLEM SOLVING
Caution. Disconnect the pump from the power source BEFORE performing any work,
repair or maintenance on the equipment.
Pump fails to
1. No power supply
start
2. Open circuit or poor connections
3. Clogged impeller
Pump starts but
1. Impeller is clogged
stops imme-
2. Voltage drop
diately, motor
3. A 50 Hz model is being used at 60 Hz.
protection is
4. The grille has become clogged and the
activated.
pump has been running dry.
5. Motor malfunction
6. Pump is sucking in too much sediment
Pumped head
1. Impeller is worn
or flow rate
2. Hose may be kinked or clogged.
is lower than
3. Screen is clogged or buried.
expected
4. Motor is rotating in reverse
Pump produces
Motor bearings may be damaged
noise or vibra-
tion
www.proindecsa.com / [email protected]
1. Contact the power company or an
electrician.
2. Check if there are any open connec-
tions
3. Inspect the pump and remove the
instruction
1. Inspect the pump and remove the
blockage.
2. Adapt the voltage to the nominal
voltage of the pump or use a cable that
meets the requirements.
3. Check the nameplate and replace the
pump or impeller.
4. Remove blockage
5. Repair motor or replace with new one.
6. Place a cement block under the pump
to prevent it from sucking up sediment.
1. Replace them
2. Minimise the number of bends in the
hose.
3. Remove the blockage. Place a ce-
ment block under the pump to prevent it
from sucking up sediment.
4. Swap power supply connection
terminals.
To replace the bearings, contact the
supplier who supplied the equipment.
11
ENG
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