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 TM 55-1905-223-24-18-1
MAINTENANCE OF PIPING SYSTEM, POTABLE WATER
Repair Threaded Valves.
This task covers: Repair.
INITIAL SETUP
Equipment Condition
Tools
Tool kit, general mechanic's,
At Auxiliary Machinery Motor Control
Center press No. 1 fresh water maker
pump STOP pushbutton and set P205-4
Materials/Parts
circuit breaker to the OFF position.
Press No. 2 fresh water maker pump
Piping system, potable water
STOP pushbutton and set P205-5
circuit breaker to the OFF position.
P/N 8532028, refer to
Tag switches "Out of Service - Do Not
TN 55-1905-223-241
Operate."
Anti-seize compound, Item 15,
Appendix C
Warning tags, Item 1, Appendix C
Utility pail,
Item 13, Appendix C
Use extreme care when disconnecting.
Escaping system pressure or fluid could
cause injury.
NOTE
All threaded type valves are replaced in the
same manner.
Isolate valve (7) from piping system.
a.
(1) Trace inlet piping (2) to nearest pipe union (3).
( 2 ) Close shutoff valve (1).
2-956
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