10
5. Remove cap screws (Key No. 16, Page 12) from front plate (Key No. 13).
Remove front plate with trap (Key No. 20) attached. Remove and inspect
O-Ring (Key No. 12).
6. Remove end cap from motor cover.
7. Hold motor shaft with screwdriver in slot in end of motor shaft or 7/16”
wrench on flats on motor shaft; unscrew impeller.
8. Carefully remove rotating half of seal from impeller sleeve. Twist as you
pull; make sure you do not damage surface of sleeve where seal both seats
and seals. See Figure 9.
9. Remove motor throughbolts (see Figure 10). Remove seal plate. Tap sta-
tionary half of seal out of seal plate (see Figure 11).
Pump Assembly:
1. Examine seal cup and O-Rings. Replace anything that shows signs of wear
or damage.
2. Check the shaft seal for scoring, scratches, chips, etc., and for any signs of
damage to spring or retainer. Replace if any wear or damage is visible.
3. Press stationary half of seal into seal plate using finger pressure only (see
Figure 12). Make sure seal is firmly and evenly seated.
4. Install rotating half of seal on impeller sleeve. Push it onto sleeve until it
butts against back of impeller.
5. Insert impeller sleeve through center hole in seal plate. Thread flinger over
the end of the impeller sleeve.
6. If motor has been removed from motor cover, reinstall it now. Set up seal
plate in front of motor cover; hold motor shaft with screwdriver or with
7/16” wrench on shaft flats (under cap) and thread impeller through center
hole in seal plate onto shaft. Make sure that flinger is in place on impeller
sleeve – not loose on shaft.
7. Install motor throughbolts; make sure seal plate butts firmly against motor
endbell. Reinstall end cap on motor cover.
8. Install front plate. Tighten cap screws in sequence as shown in Figure 13;
tighten to 30 inch-lbs. (34.5 cm-kg.) torque.
9. Reinstall drain plugs; reinstall pump, motor, and base. Reconnect unions;
tighten hand tight only.
10. Tighten hold-down bolts.
Figure 13 – Torque Sequence with upright discharge (left); with
horizontal discharge (right).
Figure 12
Figure 11
1
4
6
2
5
3
START HERE
604 099
Figure 9
#1
#6
#2
#5
#3
#4
Start
Here
Figure 10
