Zodiac Jandy Pro Serie VS FloPro Manuel D'installation Et De Fonctionnement page 20

Page 20
English
7. Hold the exposed motor shaft with a ¼" hex allen
wrench and remove the impeller center screw
using a No. 2 Phillips screwdriver. Turn the left-
hand-threaded screw clockwise to loosen it. See
Figure 15.
8. Hold the motor shaft with a ¼" hex allen wrench
while unscrewing the impeller from the motor
shaft with your hand. Turn the impeller counter-
clockwise to unscrew it.
9. Inspect the impeller and diffuser for signs of
rubbing and/or damage.
Backplate
Figure 15. remove the impeller
6.2.2.1 impeller reassembly
1. Press the new carbon face seal half (see Figures
16 and 17) on the motor shaft using a twisting
motion. Make sure the carbon surface is facing
toward the ceramic ring in the backplate.
self sealing left hand screw
Backplate o-ring
impeller
Backplate
Washers (8)
Bolts (8)
Figure 16. diffuser and impeller Exploded View
Jandy Pro Series VS FloPro
®
Mechanical Seal
Impeller
Self Sealing
Left Hand Screw
diffuser o-ring
screws (2)
diffuser
Mechanical seal
|
Variable-Speed Pump
™
CaUTion
Very important! To prevent damage to the seal, grasp
the lower portion of the seal (opposite the carbon face)
when installing it.
noTE
To assist assembly, use only water or soapy water as a
lubricant. Any other lubricant will destroy the seal after
a short period of time.
noTE
Be sure to keep the seal and mating parts clean.
Carbon Seal
Surface
• Ceramic Face Seal
• Backplate Seal
Figure 17. Mechanical seal
2. While holding the motor shaft with a ¼" hex
allen wrench, thread the impeller onto the motor
shaft. Hand-tighten the impeller until it is secure.
Do not overtighten.
3. Insert and turn the left-hand-threaded impeller
screw counter-clockwise to tighten it.
4. Replace the fan cover by replacing the screws.
5. Replace the diffuser over the impeller, using care
to insert alignment pins into the correct holes.
The molded-in arrow must point toward the
handle of the backplate.
6. Replace the two (2) small Phillips-head screws.
Tighten the screws to draw the diffuser against
the motor backplate.
7. To help prevent an airleak into the system, make
sure the diffuser
o-ring seal area are clean and free of debris. If
you removed the diffuser o-ring,
install it into the groove you removed it from.
(See Figure 18.)
o-ring, it must be silicone based. Do not use
petroleum-based grease. It will destroy the
o-ring.
Installation & Operation Manual
• Carbon Face/ Spring
Side of Seal
• Impeller Side of
Mechanical Seal
o-ring, o-ring groove, and
make sure you
If grease is used to retain the