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TM 55-1905-223-24-11
2-25. Repair Piping Croup.
This task covers:
a.
Inspection,
b.
Removal,
c.
Repair,
d.
Replacement.
INITIAL SETUP:
Tools
Equipment Condition
Tool kit, general mechanic's,
Electrical power OFF and tagged to the
5180-00-391-699-5273
sanitary unit.
Tool kit, electrician's,
External sewage inlet and outlet valves
closed.
Torque wrench 30-200 (in-lb)
Bleach metering valve closed.
5120-01-092-3278
External water line valve to the sanitary
unit closed (TM 55-1905-223-24-18).
Refer to the following paragraph in this
maintenance manual.
System drained (paragraph 2-16).
Materials/Parts
Tubing clamp, Item 1, Appendix C
Pipe thread lubricant, teflon,
Item 2, Appendix C
Gate valve P/N 2503378-003
Pressure gauge P/N 3500035
Backwash solenoid valve
P/N 2600912-007
Ball check valve P/N 2503855-001
Chlorination (bleach) solenoid valve
P/N 3500039-001
Needle valve P/N 3500014
Flexible coupling
P/N 2503178-001
Container, 1 qt (to catch bleach
or effluent runoff)
Warning tags, Item 10, Appendix C
INSPECTION
Inspection of the piping group is accomplished through PMCS.
REMOVAL
WARNING
SHOCK HAZARD. Make sure electrical power is OFF.
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