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CAUTION
VERY IMPORTANT!
Do not touch the face of the
seal. The oil from your hands will result in damage to
the seal.
9. Turn the backplate o-ring side up and insert the
new ceramic seal side into the backplate. Use
great care to press the seal in squarely with your
fingers. The ceramic is easily damaged and must
be pressed in using only your fingers or soft tools.
Do not use any lubricant other than water and soap
solution.
CAUTION
VERY IMPORTANT!
Grasp the lower portion of
the seal (opposite the carbon face) when installing
the seal, or it will be damaged.
10. Press the new carbon face seal half (see Figure 2)
on the impeller using a twisting motion. Make sure
the carbon surface is facing toward the ceramic
ring in the backplate.
NOTE
To assist assembly,
only
use water and soap
solution as a lubricant. Any other lubricant will
destroy the seal after a short period of time.
NOTE
Exercise great care to keep the seal and mating
parts clean.
11. Install and tighten the screws lightly in a crossing
“X” pattern using a 9/16” wrench then tighten the
four (4) to draw the backplate to the motor body in
an even manner and torque in the same order to
14 ± 0.3 ft-lbs.
12. While holding the motor shaft with a ½” wrench,
thread the impeller onto the motor shaft.
Hand-tighten the impeller until it is secure.
Do not
overtighten.
13. Replace the hex-head cover over the motor shaft
by inserting the cover tabs into the slots and
rotating the cover 90º clockwise.
14. Remove the backplate o-ring and replace it with
the new o-ring making sure it is seated properly.
15. Install the volute using six (6) bolts with six (6)
washers and six (6) nuts. Torque the bolts to 7±0.3
ft-lbs
16. If required, install the new drain plug. Torque to 8
to 10 in-lbs.
17. Turn on the filter pump and turn on the circuit
breaker to booster pump motor.
18. Once all the air has left the filter, close the air
release valve.
19. Turn on the booster pump and check the system
for normal operation.
3. Replace the Motor
WARNING
To ensure continued safety and reliable operation,
Zodiac Pool Systems, Inc. requires that you
replace the motor with a motor that has the
identical HP rating and service factor (Zodiac Pool
Systems, Inc. approved only). Using an improper
motor can create a safety hazard which could
cause serious injury.
WARNING
To avoid the risk of property damage, severe
personal injury, or death, turn off the pump and
switch off the circuit breaker to the pump motor
before beginning this procedure.
1. Have a qualified service technician or electrician
properly disconnect the electrical wiring at the
pump motor.
2. To disassemble the pump volute from the motor,
follow steps 1 through 4 in Section 2.
3. Remove the four (4) 9/16” screws and remove the
motor.
NOTE
Before removing the backplate, note the
alignment of the backplate to the motor. Label is
facing upward.
4. If installing a new motor, remove the protective
plastic cap from the motor shaft. Place the motor
on the backplate. The label should be facing
upward. The starting capacitor on the motor should
be at the 12 o’clock position.
5. Replace the four (4) bolts and washers holding the
backplate to the motor.
6. To reassemble the pump after replacing the motor,
follow steps 10 through 16 of Section 2.
7. Have a qualified service technician or electrician
properly connect the electrical wiring at the pump
motor.
NOTE
Zodiac Pool Systems, Inc. recommends that the
mechanical seals be replaced at the same time
the motor is replaced. See Section 2, for the
mechanical seal replacement instructions.
4. Replace the Pump Base
1. Remove the pump base by pressing the release
tabs on the base.
2. Install the new base by placing the backplate
prongs into the base slots to secure.
