Maintenance Waukesha Cherry-Burrell
Page 30 95-03080 12/2010
Maintenance
Scheduled Maintenance A routine maintenance program can extend the life of your pump.
Make sure to keep maintenance records. These records will help
pinpoint potential problems and causes.
Routine Maintenance
Your scheduled routine maintenance should include the following
items:
• Check for unusual noise, vibration and bearing temperatures
• Inspect pump and piping for leaks
• Check Mechanical Seal area for leakage. No leakage is
desired.
• Check backplate gasket for wear/damage.
• Bearing lubrication (See motor manufacturer for correct
specifications)
• Seal Monitoring
• Vibration analysis
• Check discharge pressure
• Temperature monitoring
Pump Disassembly with
Type 1 Seal
1. Shut off product flow to the pump and relieve any product
pressure.
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.
5. Slide the o-ring off the backplate.
6. Remove the impeller retainer bolt and shaft o-ring.
NOTE: The
retainer bolt has standard right hand threads.
Removal of the Water Cascade
1. Loosen the socket head screws holding the water cascade
block on the stationary seat retainer and remove the plastic
hose.
2. Pull off the impeller/backplate assembly and place it on a
cle
an flat surface with impeller shaft up.
NOTE: If
the assembly cannot be removed from the motor shaft
by hand, contact Waukesha Cherry-Burrell Customer Service.
Figure 24 - Removal of the Water Cascade
System
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