400031Z | Pentair WhisperFlo And IntelliFlo XF Pumps Seal Plate with shaft seal

Switch OFF electrical power at the house circuit breakers to the pump.
Remove the nuts that secure the volute to the seal plate.
Slide the motor and seal plate away from the volute.
Clean debris from impeller.
If debris cannot be removed, complete the following steps.
(1) Remove impeller reverse screw and O-ring.
(2) Remove, clean and reinstall impeller.
(3) Reinstall anti-spin bolt.
Reinstall diffuser and O-Ring.
Reinstall motor and seal plate into volute.
Reinstall hardware around seal plate and volute and tighten securely.
Clean suction trap.