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ZODIAC
FloPro ssPump installation & Operation Manual
Figure 3. Remove the Impeller
8. Hold the motor shaft with a flat screwdriver while unscrewing the impeller from
the motor shaft with your hand. Turn the right-hand-threaded impeller counter-
clockwise to unscrew it.
9. Inspect the impeller and diffuser for signs of wearing/grinding damage.
Figure 4. Diffuser and Impeller Exploded View
6.2.3 Impeller Replacement
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.
To replace the mechanical seal onto the impeller sleeve press the carbon face seal half
(see Figure 5.)
using a twisting motion. Make sure the carbon surface is facing toward the
ceramic ring in the backplate.
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 14mm wrench, loosen the bolts connecting the pump body to the motor
backplate. (
See Figure 1.)
Figure 1. Remove the Pump body
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 star screwdriver, remove the two (2) screws holding the diffuser.
(The diffuser is the cover over the impeller). Then remove the diffuser.
(See Figure 2.)
Figure 2. Remove the Diffuser
6. If necessary, remove any debris in the inlet and outlet of the impeller.
7. Remove the motor fan cover on the back of the motor by removing the 4 screws holding
it in place.
(See Figure 1.)
The motor shaft with fan will be exposed.
Pump Body
Motor
Motor Backplate
Impeller Sleeve
Backplate
Bolts (6)
Screws (2)
Fan Cover
Diffuser O-ring
Diffuser
Mechanical Seal
Mechanical Seal
Impeller Sleeve
Impeller
Backplate
Diffuser O-ring
Screws (2)
Diffuser
Impeller
Backplate
Backplate O-ring
