SPX S2045 - Page 31

Waukesha Cherry-Burrell Maintenance
12/2010 95-03080 Page 31
3. Locate shims on the motor shaft and remove them.
NOTE: Motor shaft shims may fall off the motor shaft or hang up
inside the deflector. Be sure to place all shims back on the
motor shaft.
CAUTION:
Handle the impeller/backplate assembly with
care to prevent damage to seal components.
4. Remove the deflector (Figure 25, item B).
5. Loosen (2) set screws (Figure 25, item D) in the spring
retainer (item C) and slide the r
e
tainer and washer (item F)
off the shaft. Save (3) springs (item E).
6. Use the backplate to slide the rotary seal up the impeller
shaft approximately 1-1/2 inches. See Figure 26.
7. With the backplate resting on the impeller, push the rotary
seal toward the backplate until the o-ring is free. See Figure
27.
8. Remove the o-ring, then lift the
rotary seal off the shaft. (See
Figure 25, items G and H)
CAUTION:
To avoid seal failure, DO NOT place fingers on
the carbon seal face.
9. Lift the backplate off the impeller.
Figure 25 - Type 1 Seal Items
Figure 26 - Moving the Rotary Seal up the
Shaft
Figure 27 - Push Rotary Seal Down Until
the o-ring is Released.