TM 10-3510-226-23
0036 00
REPLACE-CONTINUED
Replace the Pump Impellor
WARNING
Ensure that all electrical power is shut off and disconnected before proceeding. The
circuit breaker box or individual circuit breaker should be locked and tagged out by
personnel following this procedure. Remember that the CBL is a wet environment.
Serious injury or death to personnel can result from electrocution if proper safety
precautions are not observed.
NOTE
The impellor may also be accessed by removing the pump motor from the pump casing.
1. Switch P-1 pump circuit breaker No. 7 and 9 to OFF.
2. Open P-1 pump drain valve (Figure 8, Item 24) and allow pump to drain
3. Remove all insulation from pump, and remove heat trace.
4. Loosen hose clamp retaining discharge hose (Figure 8, Item 13), and remove hose.
5. Loosen hose clamp retaining pressure relief valve hose (Figure 8, Item 5), and remove hose.
6. Loosen hose clamp retaining drain hose (Figure 8, Item 14), and remove hose.
7. Loosen hose clamp retaining pump suction hose (Figure 8, Item 15), and remove hose.
8. Loosen compression nut retaining pressure switch tubing (Figure 8, Item 16) to pump casing (Figure
8, Item 17), and remove tubing.
9. Remove the screws retaining the pump end cover (Figure 8, Item 18), and remove the pump end
cover.
0036 00-14
