Pump Reassembly/Seal Replacement; Shaft Seal - Pentair Pump Installation And User Manual

8
Pump Disassembly, cont'd.
h. To unscrew the impeller from the shaft, twist the impeller counter-clockwise.
i. Remove the four bolts from the seal plate to the motor using a 3/8 inch wrench.
j. Place the seal plate face down on a flat surface and tap out the ceramic seal.
k. Clean the seal plate, seal housing, and the motor shaft.

Pump Reassembly/Seal Replacement;

1. When installing the replacement seal into the seal plate, use soapy water to wet the rubber boot before pressing
it into the seal plate.
2. Remount the seal plate to the motor.
3. Before installing the rotating portion of the
seal on the motor shaft, wet the motor shaft
with soapy water and slide the seal onto the
motor shaft. Ensure that the carbon face
contacts the ceramic face of the stationary
seat. Press the seal into the seal plate with
your thumbs and wipe off the ceramic with a
clean cloth.
4. Grease the motor shaft thread and screw
impeller onto the motor shaft.
5. Screw in the impeller lock screw (counter-
clockwise to tighten).
6. Remount the diffuser onto the seal plate.
Make sure the plastic pins and holding screw
inserts are aligned.
7. Grease the diffuser quad ring and seal plate o-ring prior to reassembly.
8. Grease the bolt threads, assemble the motor sub-assembly to the strainer pot-pump body by using the two
through bolts for proper alignment. Do not tighten the through bolts until all 4 bolts are in place and finger
tightened.
9. Fill the pump with water.
10. Reinstall the pump lid and plastic clamp; see
11. Reprime the system.
The Shaft Seal
1. The Shaft Seal consists primarily of two parts, a rotating member and a ceramic seal.
2. The pump requires little or no service other than reasonable care, however, a Shaft Seal may occasionally
become damaged and must be replaced.
CAUTION — The polished and lapped faces of the seal could be damaged if not handled with care.
CAUTION — In mild climate area, when temporary freezing conditions may occur, run your filtering equipment all
night to prevent freezing.
SuperFlo Pump Installation and User's Guide
see Section 7, Technical Data, and
IMPELLER
LOCKING
SCREW
QUAD
DIFFUSER
RING
SCREW
SECTION 3, Maintenance.
Figure 5
BOLT
SEAL PLATE
MOTOR SLINGER
MOTOR SHAFT
SEAL PLATE O-RING
IMPELLER
Figure 5.