Pentair High Performance Pump XFDS-12

Disconnect power to the pump at the circuit breaker

Turn the lid and locking ring counter-clockwise and remove from the pump

Remove debris and rinse out the basket. Replace the basket if it is cracked

Place the basket into the strainer pot

Fill the pump pot and volute up to the inlet port with water

Clean the lid and locking ring, O-ring, and sealing surface of the pump pot. Note: It is important to keep the lid O-ring clean and well lubricated

Reinstall the lid by placing the lid and locking ring on the pot. Be sure the lid O-ring is properly placed. Seat the lid and locking ring on the pump then turn clockwise until the locking ring handles are horizontal

Open the manual air relief valve on top of the filter, and stand clear of the filter

Turn off the pump circuit breaker at the main panel

Drain the pump by removing the drain plugs

Using a 9/16 inch open end wrench, remove the six nuts that secure the main pump body (strainer pot/volute) to the rear subassembly

Gently pull the two pump halves apart, removing the rear subassembly

Remove the three hex head screws holding the diffuser in position with a 9/64 inch Hex key wrench

Using a 3/8 inch socket wrench, hold the impeller securely in place and remove the impeller screw and lock washer. Note: The impeller screw is a left-handed thread and loosens in a clockwise direction

Remove the screw on the motor rear plastic cover and remove the rear plastic cover

Using an adjustable wrench to hold the motor shaft, twist the impeller counter-clockwise to remove it from the shaft

Remove the four nuts from the seal plate to the motor using a 9/16 inch wrench