TM 10-3510-226-23
0036 00
REPLACE-CONTINUED
Replace the P-1 Pump Assembly
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.
1. Switch P-1 pump circuit breaker No. 7 and 9 to OFF.
2. Remove insulation and heat tape.
3. Remove screws retaining pump end cover (Figure 16, Item 18) and remove end cover.
4. Tag and disconnect pump wiring.
5. Remove conduit locknut, and remove conduit (Figure 16, Item 28) from pump.
6. Loosen hose clamp retaining discharge hose (Figure 16, Item 13) and remove hose.
7. Loosen hose clamp retaining pressure relief valve hose (Figure 16, Item 5), and remove hose.
8. Loosen hose clamp retaining drain hose (Figure 16, Item 14) and remove hose.
9. Loosen hose clamp retaining pump suction hose (Figure 16, Item 16) and remove hose.
10. Loosen compression nut retaining pressure switch tubing (Figure 16, Item 16) to pump casing
(Figure 16, Item 17) and remove tubing.
11. Mark alignment of discharge fittings, including pressure relief valve (Figure 16, Item 6), and use a
pipe wrench to unscrew fittings as an assembly.
12. Mark alignment of pump drain fittings (Figure 16, Item 29) and use a pipe wrench to unscrew fittings
from pump housing as an assembly.
13. Mark alignment of pump suction fittings (Figure 16, Item 30) and use a pipe wrench to unscrew
fittings from pump housing as an assembly.
14. Remove nuts and bolts retaining motor mounting strap (Figure 16, Item 27) and remove strap.
15. Remove machine screws (Figure 16, Item 31) retaining pump assembly (Figure 16, Item 32) to
mount.
16. Remove pump assembly (Figure 16, Item 32).
17. Install replacement pump assembly (Figure 16, Item 32).
18. Remove any plugs as necessary to install fittings.
19. Install machine screws (Figure 16, Item 31) to retain pump assembly (Figure 16, Item 32) to mount.
0036 00-26
