TM 10-3510-226-23
0034 00
Replace a Drainage Tank Pump
WARNING
This equipment operates at high voltage. Use extreme caution, observe all warnings, and
follow all safety procedures. Failure to observe safety precautions may result in injury or
death to personnel.
WARNING
Ensure graywater pipes have been sanitized IAW procedures contained in TB MED 577
before attempting any repairs. Always use provided safety equipment, including hand
and eye protection, when performing maintenance on graywater handling components.
Failure to observe safety precautions may result in serious illness or death from
biohazards.
NOTE
To replace waste tank pump, washer No. 2 must be removed IAW procedures given in
1. Place CBL out of service and disconnect power.
2. Remove manual lift knob (Figure 4, Item 1) (Waste Tank only).
3. Remove top (Figure 4, Item 2) of drainage tank.
4. Clean and disinfect tank IAW TB MED 577.
5. Remove screws retaining mounting strap (Figure 5, Item 8) and remove strap.
6. Loosen hose clamp retaining discharge hose (Figure 5, Item 9) to pump (Figure 5, Item 6).
7. Remove discharge hose (Figure 5, Item 9) from pump (Figure 5, Item 6) and remove pump from
drainage tank.
8. Disassemble power cord plug (Figure 4, Item 5) and retain for installment on replacement pump
power cord.
9. Loosen watertight strain relief (Figure 4, Item 10) in drainage tank top (Figure 4, Item 2).
10. Pull power cord plug (Figure 4, Item 5) through strain relief (Figure 4, Item 10).
11. Install replacement pump assembly (Figure 5, Item 6) into drainage tank.
12. Connect discharge hose (Figure 5, Item 9) to pump discharge and retain with hose clamp.
13. Install mounting strap (Figure 5, Item 8) and retain with screws.
14. Cut plug from end of replacement pump power cord.
15. Feed power cord through drain tank top strain relief (Figure 4, Item 10).
0034 00-7
