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 TM 55-1905-223-24-11
2-16. Repair Sewage Treatment Unit Subassembly.
This task covers:
a. Removal,
b. Repair
d. Replacement
INITIAL SETUP:
Tools
Equipment Conditions
Tool kit, general mechanic's,
System flushed with water
Electrical power OFF and tagged
Torque wrench (in-lb)
External sewage inlet and outlet
5120-01-092-3278
valves closed
Torque wrench (ft-lb)
Bleach metering valve closed
5120-01-125-5190
Backwash water supply valve closed
End sediment tank cover assembly
Materials/Parts
removed (paragraph 2-12)
Mid sediment tank cover assembly
Coupling, hose, flexible
removed (paragraph 2-13)
P/N 2503178-001
Pipe thread lubricant, Teflon
Item 2, Appendix C
Treatment/sediment tank P/N 390003
Corrosion preventive anode
P/N 35000041
PVC pipe fittings
PVC solvent/cleaner
Item 5, Appendix C
PVC cement glue, Item 6,
Appendix C
Container, 5 gl (to catch sewage
runoff)
Disinfectant, Item 3, Appendix C
Warning tags, Item 10, Appendix C
WARNING
Toxic and flammable vapors are generated in the sewage system. Provide
ventilation from outside source before removing treatment tank covers. Avoid
open flames and prolonged breathing of fumes.
2-41
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