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3.
Remove rotating half of seal by placing two screw drivers
under seal ring and carefully prying up (Figure 14).
4.
Remove nuts from studs holding seal plate to motor.
Carefully slide seal plate off of shaft.
Be sure you do not scratch or mar shaft. If shaft is marred,
it must be dressed smooth with fine emery or crocus cloth
before installing new seal. DO NOT reduce shaft diameter!
5.
Place seal plate half face down on flat surface and tap out
stationary half of seal (Figure 15).
FIGURE 15 – TAP OUT SEAL
INSTALLING NEW SEAL
Gaskets and o-rings are not interchangeable per models. Make
sure to install the type of gasket or o-ring you removed.
1.
Clean seal cavity in seal plate.
2.
Sparingly wet outer edge of rubber cup on ceramic seat
with liquid soap.
3.
Put clean cardboard washer on seal face. The ceramic
seal's polished face should be facing up. Firmly and
squarely, press ceramic seal into cavity using only hand
pressure.
4.
If seal will not seat correctly:
Remove seal, placing polished side up on bench. Re-
clean cavity and install as outlined in previous step.
If seal still does not seat properly after re-cleaning the
cavity, place a cardboard washer over polished seal
face and carefully press into place using a piece of
standard 3/4 inch pipe as a press being careful not to
scratch seal face."
5.
Dispose of cardboard washer and recheck seal face to
be sure it is free of dirt, foreign particles, scratches and
grease.
6.
Inspect shaft to be sure it is free of nicks and scratches.
Reassemble pump body half to motor flange. BE SURE it is
7.
right side up.
8.
Apply liquid soap sparingly (one drop is sufficient) to inside
diameter of rotating seal member.
P15006 (02-01-2023)
3030 0997
9.
Slide rotating seal member (carbon face first) onto shaft
until rubber drive ring hits shaft shoulder.
Be sure not to nick or scratch carbon face of seal when
passing it over threaded shaft end or shaft shoulder. The
carbon surface must remain clean or short seal life will
result.
10. Hold motor shaft with 7/16" open end wrench on shaft
flats and screw impeller onto shaft. Be sure you do not
touch capacitor terminals with body or any metal object.
Tightening impeller will automatically locate seal in
correct position.
FIGURE 16 – PRESS IN NEW SEAL
Be Careful That
Motor Shaft Shoulder...
Ceramic
Face
FIGURE 17 – PROTECT SEAL FACES
11. Replace impeller screw (if used) by turning
counterclockwise (left-hand thread) into end of shaft.
12. Remount diffuser on seal plate with two screws.
13. Follow instructions under "Pump Reassembly".
PUMP REASSEMBLY
1.
Install new gasket or O-ring. Note to replace with using the
same as the pump was originally manufactured with.
2.
Slide motor/seal plate assembly into pump body. Secure
with cap screws.
3.
Replace base mounting bolts.
4.
Replace motor wiring; close drain cock.
5.
Prime pump according to instructions. See "Opera tion."
6.
Check for leaks.
3031 0997
...Does Not Damage
Seal Face
Carbon
Face
1072 0697
9
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