Problem Solving - PYD Electrobombas CX Serie Manual De Instalación Y Mantenimiento

OPERATING AND MAINTENANCE MANUAL
SERIE CX
4) Preventive maintenance should be carried out to reduce the likelihood of premature failure.
5) Impellers, wear plates and sealing gaskets should be replaced when signs of wear are obser-
ved.
6) The power cable should be replaced if it is found to be cut or crushed. Never operate the pump
with a cut, crushed or damaged power cable.
7) The oil chamber gasket should be replaced at least twice a year.
8) Before storing the pump after it has been in operation, a complete overhaul should always be
carried out.
9) After a long period of storage, the pump should be inspected and the impeller should be turned
by hand before installing the pump. Particularly carefully check the seals and the lubrication cable.

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 1. Impeller is clogged
but stops 2. Voltage drop
immedia- 3. A 50 Hz model is being used at 60 Hz.
tely, motor 4. The grille has become clogged and the
protection is pump has been running dry.
activated. 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 produ- Motor bearings may be damaged
ces noise or
vibration
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1. Contact the power company or
an electrician.
2. Check if there are any open
connections
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 repla-
ce 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 cement 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.
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