Service Technician Maintenance; Blocked Impeller; Impeller Removal - Polaris PB Serie Manual De Instalación Y Funcionamiento

ENGLISH
Page 14
6.2

Service Technician Maintenance

WARNING
This pump must be serviced by a professional
service technician, qualified in pool/spa installation.
The following procedures must be followed exactly.
Improper installation and/or operation can create
dangerous electrical hazards, which can cause
high voltages to run through the electrical system,
possibly causing property damage, serious injury, or
death. Improper installation and/or operation will void
the warranty.

6.2.1 Blocked Impeller

WARNING
While servicing the pump, switch off the circuit
breakers at the power source. Severe personal injury
or death may occur if the pump starts while your
hand is inside the pump.
1. Turn off the pump. Switch off the circuit breaker
to the pump motor.
2. Look inside the pump for any debris. Remove any
debris found inside.
3. Switch on the circuit breaker to the pump motor.
4. Turn on the pump, and see if the problem is
solved.
5. If the impeller is still blocked with debris and it is
not possible to remove the debris, the pump will
need to be disassembled in order to access the inlet
and outlet of the impeller.

6.2.2 Impeller Removal

WARNING
While servicing the pump, switch off the circuit
breakers at the power source. Severe personal
injury or death may occur if the pump starts while
your hand is inside the pump.
1. Turn off the pump. Switch off the circuit breaker
to the pump motor. If you are not replacing the
motor, do not disconnect the electrical wiring.
NOTE If you are replacing the motor, Zodiac strongly
recommends that a qualified service technician
or electrician properly disconnect the electrical
wiring at the pump motor.
2. Turn off any valves to prevent pool water from
reaching the pump. Drain the water from the pump
by loosening the unions or removing the drain
plugs.
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Polaris PB4-60 Booster Pump
®
3. Using a 9/16" wrench, loosen the bolts connecting
the pump volute to the motor backplate. See
Figure 8.
4. Pull the volute from the backplate. The impeller is
connected to the motor shaft.
NOTE At this point you have access to the inlet and
5. Remove the motor shaft cover on the back of the
motor by twisting the hex-head screw with a 90°
crescent wrench. See Figure 8. The motor shaft
will be exposed.
6. Hold the motor shaft with a ½" wrench while
unscrewing the impeller from the motor shaft with
your hand.
NOTE The impeller is a right-handed thread, therefore
7. Inspect the impeller for signs of rubbing and/or
damage.
Figure 8.
Installation and Operation Manual
outlet of the impeller to remove any debris.
turn the impeller counter-clockwise to unscrew.
Backplate
Bolts
(Qty 6)
Volute
Remove the Pump Volute
Motor Body