Waukesha Cherry-Burrell
Maintenance
Issued: January 2003
95-03074
Page 21
Revised: June 2005
2085LR:
If end of shaft is not flush with impeller
counter bore, add .015 shim washers (Figure 34, item
A) to end of shaft (Figure 33).
Assemble three belleville washers to impeller retainer
with o-ring (Figure 34, item B, D and C) with curved
surfaces opposed to each other. Tighten impeller
retainer to bottom out metal-to-metal.
7.
Install backplate cover o-ring. (Figure 35, item A).
8.
Install front cover (Figure 36, item A) on backplate
with ports above center of pump.
9.
Install bolts and washers connecting front cover to
backplate (Figure 37).
10. Remove impeller inspection plug and confirm
operating clearances by manually rotating shaft/
impeller ensuring impeller does not touch casing or
backplate.
11. Reinstall impeller inspection plug.
Figure 33 - 2085LR Impeller Retainer Shimming
Figure 34 - Install Shims, Belleville Washers
and Impeller Retainer with O-Ring
Figure 35 - Install Backplate Cover O-ring
Figure 36 - Install Front Cover
Figure 37 - Install Backplate Bolts
