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6. Carefully remove four motor throughbolts from seal
plate (Figure 4); remove seal plate and use a screw-
driver to tap ceramic seat out from the rear (Figure 5).
Do not damage seal cavity in seal plate.
Figure 4
7. Clean cavity from which seal was removed and clean
motor shaft.
Figure 5
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Installing New Seal:
1. Ceramic seat must be clean and free of dirt, grease,
Figure 6
2. If ceramic seat will not locate properly, remove it, place
3. Seal must be free of dirt, grease, grit, scratches or
4. Slip slinger over shaft; remount seal plate. Torque
5. Screw impeller onto shaft until it seats against shaft
Figure 7
6. Install wear ring on back of volute. NOTICE: Teeth on
7. Remount trap body.
8. Reconnect unions; tighten hand tight only.
7
dust, etc. Wet rubber cup gasket of ceramic seat with
small amount of water; press into cavity firmly and
squarely with finger pressure (Figure 6).
face up on bench, and reclean cavity. Ceramic seat
should now locate.
chips; be sure impeller sleeve is clean. Slide seal
assembly, rubber drive ring first, onto impeller sleeve
until drive ring bottoms on impeller back shroud.
throughbolts to 25 inch-lbs. (29 cm-kg).
shoulder. Work slinger over end of impeller sleeve so it
rides on sleeve (Figure 7).
wear ring interlock with ribs on trap body.
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