Waukesha 200 series Operation And Maintenance Manual - page 19
Maintenance
Waukesha Cherry-Burrell
Page 20
95-03074
Issued: January 2003
Revised: June 2005
5.
Slide o-ring (Figure 28, item F) onto shaft and use
spring retainer to push o-ring into rotary seal (Figure
30).
6.
Place washer (Figure 28, item G) over rotary seal with
tabs in outside diameter notches.
7.
Place three springs (Figure 28, item J) in one side of
spring retainer holding them in place with silicone
sealer. With springs down slide spring retainer onto
impeller shaft against washer.
8.
Place remaining three springs in spring retainer.
9.
Slide washer and o-ring (Figure 28, items K and F)
onto shaft against spring retainer. Use spring retainer
to push o-ring into rotary seal.
10. Remove 1/4 NPT plug from center port on flush
housing (Figure 28, item N).
11. Install o-rings (Figure 28, items R and M) in both
ends of housing.
12. Install L-gasket in seat retainer. (Figure 28, items T
and U).
13. Install stationary seal (Figure 28, item S) in L-gasket.
14. Install housing over seal assembly.
15. With flush ports facing away from the backplate place
seat retainer (Figure 28, item T) on housing.
16. Tighten seat retainer in place using four hex screws
(Figure 28, item V).
NOTE: Tighten screws evenly until full metal to metal
contact is made on backplate and seat retainer.
17. Tighten set screws in spring retainer through 1/4"
NPT center port in flush housing (Figure 28, item N).
Insert plug and tighten.
Backplate Assembly
1.
Install o-ring in front shims on motor shaft.
2.
Apply anti-seize or equal compound to motor shaft
and install key.
3.
Install backplate with seal assembly and impeller on
motor shaft.
4.
Position backplate onto adapter with flat surface area
above groove. Top mounting screw will be at 12
o'clock position.
5.
Install clamp and position bolt/nut connection at 7
o'clock allowing easy access to front cover bolts.
(Figure 31).
6.
2065LR: Assemble spring washers in series, as
shown in . Tighten impeller nut.
Figure 30 - Install O-ring Using Spring Retainer.
Figure 31 - Clamp Impeller/Backplate to Motor Adapter
Figure 32 - 2065LR Impeller Retainer Shimming