Pentair High Performance Pump The Shaft Seal, Pump Disassembly, cont’d, Pump Reassembly/Seal Replacement; see Section 7, Technical Data, and Figure

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; see Section 7, Technical Data, and Figure 5

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.

BOLT

SEAL PLATE

IMPELLER

LOCKING

SCREW

		MOTOR SLINGER
		MOTOR SHAFT
		SEAL PLATE O-RING
QUAD	DIFFUSER	IMPELLER
RING	SCREW	Figure 5.

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 SECTION 3, Maintenance.

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