Waukesha Cherry-Burrell Maintenance
10/2010 95-03009 Page 41
NOTE: Always replace the o-rings and L-gasket when reassembling the
pump. If the area behind these seals becomes soiled, contact WCB Appli-
cation Engineering for a specific cleaning and sanitizing procedure vali-
dated to remove bacteria.
28. Install the casing o-ring on the backplate and clamp the casing in
pla
ce (Fig
ure 45).
NOTE: Rotate the impeller manually to ensure it does not rub on the
backp
late or casing.
Disassembly of Modular
Base-Mounted Pumps
Figure 46 - Removing the Impeller
Assembly
Figure 47 - Removing Coupling Covers
Figure 48 - Bearing Shaft Assembly
Removal
Refer to “Disassembly of Pump With a Type 1 Seal” on page 32 and
“Type 4 Double Seal” on page 37 for information on disassembling the
pump seal items.
1. Shut off the product flow to the pump and relieve any product pres-
sure.
2. Shut off and lock out power to the pump.
3. Disconnect the suction and discharge pipe fittings.
4. Remove the casing clamp and casing (Figure 46, item C). Slide the o-
ring off of the backplate
5. Remove the impeller retainer bolt and shaft o-ring (Figure 46, item B).
6. Pull the impeller/backplate assembly off the
bearing housing shaft
(Figure 46, items D and A).
7. Remove the coupling cover cap screws (Figure 47, item B).
8. Loosen the set screws on the pump coupling (Figure 47, item A).
9. Remove the stand/housing assem
bly, tha
n remove the end cap (Fig-
ure 51, item C on page 42).
10. Push the shaft and bearing assembly out of the housing from the
impeller end. (Figure 48).
11. Remove the retaining ring and press the bearings off the shaft (Figure
48, items A and B).
Figure 45 - Install Casing
To Next Page
Loading...
Need help?
General
