Five Star JHP - Manual (Page 17)

Page 17
3. Press the new carbon face seal half on the
impeller sleeve using a twisting motion. It is very
important to grasp the lower portion (opposite
the carbon face) when installing the seal or
damage to the spring will result. To assist
assembly, only water may be used as a lubricant.
Any other lubricant will destroy the seal after a
short period of time.
NOTE Great care must to exercised to keep the seal and
mating parts clean.
4. Remove the motor from the backplate following
the steps in Section 6.2.5.
5. Place the backplate o-ring side down and force
the ceramic seal out using a screwdriver or
drift.
6. Turn backplate o-ring side up and insert the new
ceramic seal side into the backplate. Use great
care to press the seal in square 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.
7. Install motor following the steps in Section
6.2.5.
8. Install the backplate following the steps in
Section 6.2.3.
6.2.5 Motor Replacement
CAUTION
To ensure continued safety and reliable operation,
Jandy
® requires that you replace the motor with
the identical HP rating and service factor (Jandy ®
only).
1. Have a qualified service technician or electrician
properly disconnect the electrical wiring at the
pump motor.
2. To disassemble the pump housing from the
motor, follow steps 1 through 8 of Section 6.2.2,
Impeller Removal.
3. Place the backplate motor assembly o-ring side
down and unscrew the four (4) 9/16" screws and
remove the motor.
NOTE Before removing the backplate, note the alignment
of the backplate to the motor (see Figure 9).
4. If installing a new motor, remove the protective
plastic cap from the motor shaft. Place the motor
on the backplate so that the opening in the
motor faces the bottom of the backplate. 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 1 through 13 of
Section 6.2.3, Impeller Replacement.
7. Have a qualified service technician or electrician
properly connect the electrical wiring at the
pump motor.
NOTE It is recommended that the mechanical seals be
replaced at the same time the motor is replaced.
See section 6.2.4 for details
Figure 9. Backplate Assembly
Bolts and
Washers (4)
Backplate
Motor
Starting
Capacitor