SEAL and CERAMIC for
PUMP SYSTEM
(GENERAL INFORMATION)
The wash and drain pump are part of the total motor pump system. One seal and ceramic are utilized to
prevent the pump from leaking.
Replacement of Seal and/or Ceramic:
1. Drain machine either by depressing drain switch or by baiting out.
2. Turn incoming power to machine OFF.
3. Open door — remove racks, wash/rinse head assembly and strainer pan.
4. Remove kickplate (located under front door).
5. Unplug motor at connector.
6. Loosen eight screws holding pump in sump tank.
7. Disconnect drain hose from motor (must be done from underneath machine).
8. Pull motor and pump gently upward and move from side to side as required to remove unit. (Old
machines motor removed downward.)
9. Set pump and motor on bench and proceed.
10. Loosen eight screws holding upper pump housing, and remove housing.
11. Remove diffuser plate.
12. Loosen impeller screw and remove impeller.
13. Remove suction adapter plate.
14. Remove drain inlet plate.
15. Remove propeller.
16. Remove mounting plate from motor (loosen 4 phillips head screws on bottom of plate).
17. Knock out old seal carefully and clean hole, re-insert new seal.
Note: Be sure not to ruffle edges of seal when inserting. Seal should contact all resting
surfaces at one time.
18. Ceramic is imbedded in propeller and normally does not wear or need replacement, but check for cracks.
19. Reinstall motor and pump by reversing above process.
24
1. MOTOR
2. MOUNTING PLATE
3. STATIONARY SEAL
4. SHIM WASHERS ON
MOTOR SHAFT
5. CERAMIC
6. DRAIN PROPELLER
