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OPERATING AND MAINTENANCE MANUAL
ELECTRIC BILGE PUMPS KBZ SERIES
7. SERVICE AND MAINTENANCE
Pump must be disconnected from teh electric power supply before proceeding to do any service or
maintenance.
For a complete overhaul of the pump, please get in touch with your dealer. Service should only be per-
formed by a qualified electrician.
1.
Pump must be disconnected from the electric power supply before proceeding to do any service or
maintenance.
2.
Pump should be inspected at regular intervals for wear.
3.
More frequent inspections are required if the pump is used in a harsh environment, such as pumping
abrasive solids or high / low PH water.
4.
Preventive maintenance should be performed to reduce the chance of premature failure.
5.
Worn impeller wear plates and lip seals should be replaced.
6.
Cut or craked power cords must be replaced. (never operate a pump with a cut, cracked or damaged
power cord.)
7.
Seal oil should be changed at least twice a year.
8.
Maintanance should always be done when taking a pump out of service before storage.
9.
After a longer period of storage, the pump must be inspected and the impeller must be rotated by
hand before the pump is taken into operation. Check the seals and cable entry particularly carefully.
8. PROBLEM SOLVING
Caution. Disconnect the pump from the power source BEFORE performing any work,
repair or maintenance on the equipment.
PROBLEM
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
www.proindecsa.com / proindecsa@proindecsa.com
CAUSE
8
POSSIBLE SOLUTION
1. Contact the power company or an electri-
cian.
2. Check if there are any open connections
3. Inspect the pump and remove the instruc-
tion
1. Inspect the pump and remove the bloc-
kage.
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.
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