Pump Reassembly - Pentair WATERFALL AF-75 Manual De Instalación / Guía Del Usuario

10

Pump Reassembly

1. Use the 9/16-inch wrench to remount the seal plate to the motor via the four (4) bolts that hold the motor to the
seal plate.
2. Reseat the spring seal onto the white ceramic seal. Ensure that the carbon face of the spring seal contacts the
ceramic face of the stationary seat.
3. Grease the motor shaft thread and screw the impeller onto the motor shaft.
Note: Use the 3/8-inch or 1/2-inch flat blade screwdriver to hold the motor shaft in place when screwing down the
impeller. The motor shaft is accessible through the back of the motor.
4. Using a flat blade screwdriver, screw in the impeller lock screw.
Note: The impeller screw is a left-handed thread and tightens in a counter-clockwise direction.
5. Remount the diffuser spacer and diffuser using a flat blade screwdriver and the three (3) diffuser screws.
6. Reseat the pump housing (strainer pot/volute) onto the rear sub-assembly.
7. Place the band clamp around the pump housing an rear sub-assembly. Tighten with the band clamp knob.
Note: The band clamp knob should be parallel to the floor of the equipment pad when the clamp is installed
properly.
8. Reinstall the drain plugs. Hand tighten only!
9. Fill the pump strainer pot with water.
10. Refer to page 5 "Initial Start-Up" procedures to restart the pump.
WATERFALL™ Specialty Pump Installation and User's Guide
Figure 5