Troubleshooting guide

9
PUMP SERVICE
Hazardous voltage. Can shock, burn,or
cause death. Disconnect power before working on pump
or motor.
Pump should only be serviced by qualified personnel.
To avoid dangerous or fatal electrical shock
hazard, disconnect power to motor before
working on pump or motor!
No lubrication or regular maintenance are needed.
If shaft seal is damaged, repair as follows:
Removing Old Seal:
1. Disconnect power to pump motor.
2. Drain tub and pump; disconnect unions to allow
access to pump.
3. Remove four bolts holding front plate to seal plate;
remove front plate.
4. Remove shaft cover or motor canopy; using
screwdriver in slot on motor end of shaft or wrench on
flats of shaft extension, hold pump shaft and unscrew
impeller from shaft (turn counterclockwise). Rotating
half of seal will come off with impeller.
5. Carefully remove rotating part of seal from impeller
sleeve by pulling and turning on sealing washer and
spring (Figure 3). Do not damage impeller surface
where drive ring seats and seals.
6. Carefully remove four motor throughbolts from seal
plate (Figure 4); remove seal plate and use a
screwdriver to tap ceramic seat out from the rear
(Figure 5). Do not damage seal cavity in seal plate.
7. Clean cavity from which seal was removed and clean
motor shaft.
8. Inspect water slinger for damage. Replace if needed.
Installing New Seal:
1. Ceramic seat must be clean and free of dirt, grease,
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).
2. If ceramic seat will not locate properly, remove it,
place face up on bench, and reclean cavity. Ceramic
seat should now locate.
3. Seal must be free of dirt, grease, grit, scratches or
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.
4. Slip water slinger over motor shaft; remount seal plate.
Torque throughbolts to 25 inch-lbs. (29 cm-kg).
5. Screw impeller onto motor shaft until it seats against
motor shaft shoulder. Work water slinger over end of
impeller sleeve so it rides on sleeve (Figure 7).
6. Remount front plate to seal plate.
7. Reconnect unions; tighten hand tight only.
Figure 3
Figure 4
Figure 5
Figure 6
Figure 7