Servicing; Motor And Drive Care; Shaft Seal Replacement; Pump Disassembly - Pentair INTELLIFLO Installation And User Manual

1. Shade the motor from the sun.
2. Any enclosure must be well ventilated to prevent
overheating.
3. Provide ample cross ventilation.
4. Provide a minimum clearance of three (3) inches
behind the motor fan for proper circulation.
1. Protect from any foreign matter.
2. Do not store (or spill) chemicals on or near the motor.
3. Avoid sweeping or stirring up dust near the motor
while it is operating.
4. If a motor has been damaged by dirt it may void the
motor warranty.
1. Protect from continuous splashing or continuous
sprayed water.
2. Protect from e
3. If motor internals have become wet - let it dry before
operating. Do not allow the pump to operate if it has
4. If a motor has been damaged by water it may void
the motor warranty.
5. Be sure to close the keypad cover after every use.
The Shaft Seal consists primarily of two parts, a rotating
ceramic seal housed in the impeller and a stationary
spring seal in the sealplate. The pump requires little or
no service other than reasonable care, however, a shaft
seal may occasionally become damaged and must
be replaced.
The polished and lapped faces of the seal could
be damaged if not handled with care.
Tools required:
3/32 inch Allen head wrench
Two (2) 9/16 inch open end wrenches
1/4 inch Allen head wrench
• No. 2 Phillips head screwdriver
Adjustable wrench
To remove and repair the motor subassembly, follow the
steps below:
1. Turn off the pump circuit breaker at the main panel.
2. Disconnect the RS-485 communication cable from
the pump (if connected to pump).
3. Drain the pump by removing the drain plugs. No tools
are required.
4. Remove the four (4) Phillips head screws from the
outer corners of the drive top cover.
5. Disconnect the keypad top cover from the drive and
set it to the side in a safe place.
6. Remove the three (3) Phillips head screws, located
inside the drive, that anchor the drive to the motor.
7. Remove the drive by lifting upwards to separate it
from the motor.
8. Use the 9/16 inch wrenches to remove the six (6) bolts
that hold the housing (strainer pot/volute) to the rear
subassembly.
9. Gently pull the two pump halves apart, removing the
rear subassembly.
10. Use a 3/32 inch Allen head wrench to loosen the two
(2) holding screws located on the diffuser.
11. Hold the impeller securely in place and remove
the impeller lock screw by using a Phillips head
screwdriver. The screw is a left-handed thread and
loosens in a clockwise direction.
12. Use a 1/4 inch Allen head wrench to hold the motor
shaft. The motor shaft has a hex-shaped socket on
the end which is accessible through the center of the
fan cover.
13. To unscrew the impeller from the shaft, twist the
impeller counterclockwise.
14. Remove the four (4) bolts from the seal plate to the
motor, using a 9/16 inch wrench.
15. Place the seal plate f
tap out the carbon spring seat.
16. Clean the seal plate, seal bore, and the motor shaft.
INTELLIFLO Variable Speed Pump Installation and User's Guide
®
21

SERVICING