Servicing; Pump Disassembly - Pentair IntelliFloXF Installation And User Manual

Servicing

Pump Disassembly

Always disconnect power to the pool pump at the circuit breaker and disconnect the communication
cable before servicing the pump. Failure to do so could result in death or serious injury to serviceman,
pool users or others due to electric shock.
Read all servicing instructions before working on the pump.
DO NOT open the strainer pot if pump fails to prime or if pump has been operating without water in
the strainer pot. Pumps operated in these circumstances may experience a build up of vapor pressure
and may contain scalding hot water. Opening the pump may cause serious personal injury. In order
to avoid the possibility of personal injury, make sure the suction and discharge valves are open and
strainer pot temperature is cool to touch, then open with extreme caution.
Be sure not to scratch or mar the polished shaft seal faces; seal will leak if faces are damaged.
Tools required:
• Locking pliers
Flat blade screwdriver
•
Phillips head screwdriver
•
• 9/16 inch wrench
3/4 inch socket wrench
•
• 9/64 inch Hex key wrench
To remove and repair the motor subassembly, follow the steps below:
1. Turn off the pump circuit breaker at the main panel.
2. Drain the pump by removing the drain plugs.
3. Disconnect the RS-485 communication cable from the pump (if connected to pump).
4. Disconnect supply power in the fi eld wiring compartment.
5. Remove (3) Phillips head screws from the top of the device located under the key pad cover.
6. Remove the drive by lifting upward to pull off the motor.
7. Using a 9/16 inch wrench, remove the six (6) nuts that secure the main pump body (strainer
pot/volute) to the rear subassembly.
8. Gently pull the two pump halves apart, removing the rear subassembly.
9. Remove the three hex head screws holding the diffuser in position with a 9/64 inch hex
key wrench
10. Hold the impeller securely in place using a 3/4" socket wrench, and remove the impeller
lock screw.
Note: The impeller screw is a left-handed thread and loosens in a clockwise direction.
11. Remove the (3) screws on the fan cover and remove fan cover.
12. Using locking plyers to hold the motor shaft, twist the impeller counter-clockwise to remove
it from the shaft.
13. Remove the four (4) nuts from the seal plate to the motor using a 9/16 inch wrench.
14. Place the seal plate face down on a fl at surface and press out the ceramic part of the
mechanical seal.
15. Clean the seal plate, seal housing, and the motor shaft.
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IntelliFloXF and IntelliProXF
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Variable Speed Pump Installation and User's Guide
27