Pump Service - STA-RITE DURA-JET 5DJAFB-0001 Owner's Manual

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 haz-
ard, 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 ac-
cess to pump.
3. Remove four bolts holding front plate to seal plate; re-
move front plate.
4. Remove shaft cover or motor canopy; using screw-
driver in slot on motor end of shaft or wrench on flats
of shaft extension, hold pump shaft and unscrew im-
peller 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.
Figure 3
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
Figure 5
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).
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 as-
sembly, 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).
Figure 7
6. Remount front plate to seal plate.
7. Reconnect unions; tighten hand tight only.
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