7
SWS Systems
Operating Instructions and Parts Manual
For Replacement Parts, Call 1-800-237-0987
Address any correspondence to:
WAYNE Water Systems
101 Production Drive
Harrison, OH 45030 U.S.A.
Please provide following information:
- Model number
- Serial number (if any)
- Part description and number as shown in parts list
10
17
Replacement Part Kit Installation
1. Disconnect all power from the pump
2. Open faucet nearest the tank and allow all of the water to
drain from the tank and pump.
3. Remove 4 cap screws, do not disconnect pressure switch.
4. Remove pump housing from pump assembly, move it out of
the way.
5. Using a ¾” socket remove venturi from pump housing
6. Using a 11/16 socket and extension remove nozzle from
pump housing
7. Using a 5/16” socket or flat blade screw driver remove the 2
screws from the diffuser on the pump assembly.
8. Remove the diffuser, and remove the black plastic cap from
the back of the motor, exposing the motor shaft end.
9. Using a large flat bladed screw driver hold the motor shaft
while unscrewing the impeller.
10. Remove the shaft seal from the impeller, make sure the
stainless steel sleeve comes off the impeller, all you should
see on the back of the impeller is the brass colored threaded
insert.
11. Remove the ceramic seat and rubber boot part of the seal
from the cast iron seal plate.
12. Remove the square cut gasket from the seal plate.
13. Reassemble the pump with new parts in reverse order.
14. Wipe down the seal plate to remove any debris or loose rust.
15. Push the ceramic seat of the shaft seal into the seal plate
using the cardboard ring provided to keep the ceramic face
clean. You can use a little water or dish soap to lubricate the
seal pocket to make assembly easier.
16. Slide the square cut gasket over the flange on the seal plate,
make sure not to let the gasket twist.
17. Carefully slip the seal plate over the shaft so as not to
disturb seal position in the seal plate. The seal plate must
be orientated during assembly so the two holes are on a
horizontal line across the motor shaft.
18. Push the bellows side of the shaft seal over the impeller
hub, you can use a little water or dish soap to lubricate the
impeller hub to make assembly easier.
19. Holding the motor shaft with a flat blade screw driver thread
the impeller onto the motor shaft, hand tighten. Lubricate
the nose of the impeller with Dow Corning III valve lubricant
and sealant or other potable water safe lubricant.
20. Replace the plastic cap over the motor shaft end.
21. Reassemble the diffuser, make sure the arrow indicating the
top is pointed toward the top of the pump, torque the two
screws to 30 ±10 inch pounds.
22. Using the 11/16” socket and extension reassemble the
nozzle to the pump housing, torque to 50 ± 10 inch pounds.
23. Reassemble the Venturi to the pump Housing, torque to 50
±10 inch pounds.
24. Using the (4) cap screws reattach the pump housing and
base to the pump body. Torque the screws to 140 ±40 inch
pounds.
25. Reattach the plumbing connections, reconnect the power
and prime the pump (See section on priming the pump). After
reassembling the pump check for leaks. If a leak is detected,
repair before using the pump.
MAINTENANCE (CON'T)
Ref. No.
Description
Part No.
Qty.
1, 2, 3
Kit (Gaskets, impeller, Venturi, Jet
Nozzle, Shaft Seal Assembly, Diffuser,
Screws)
1/2 HP SWS50 64043-WYN1
3/4 HP SWS75 64044-WYN1
1 HP SWS100 64045-WYN1
1
1, 2, 3
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