Five Star JHP - Manual (Page 14)

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 in stal la tion and/or
op er a tion 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 in stal la tion and/or op er a tion 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. Remove the lid and basket.
3. Look inside the pump for any debris. Remove
any debris found inside.
4. Replace the basket and lid.
5. Switch on the circuit breaker to the pump
motor.
6. Turn on the pump, and see if the problem is
solved.
7. If the impeller is still blocked with debris and
it is not possible to remove the debris using
Steps 2 through 4, 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, Jandy ® 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.
3. Using a 9/16" wrench, loosen the bolts connecting
the pump body to the motor backplate (see
Figure 2).
4. Pull the motor and backplate out of the pump
body. Remove the pump body o-ring. The
impeller is connected to the motor shaft.
5. Using a No. 1 Phillips screwdriver, remove the two
(2) screws holding the diffuser. (the diffuser is the
cover over the impeller). Then remove the diffuser
(see Figure 3). Remove the diffuser o-ring (see
Figure 4).
NOTE At this point you have access to the inlet and outlet
of the impeller to remove any debris.
Pump
Body
Figure 2. Remove the Pump Housing
Motor Backplate
Bolts (8)
Motor Shaft Cover