MAINTENANCE OF PIPING SYSTEM, FRESH WATER COOLING
This task covers:
Tool kit, general mechanic's.
Stop the fresh water cooling pump
at the Auxiliary Machinery Motor
Torch outfit, cutting and welding
Control Center and set circuit
medium duty, oxygen and
breaker P205-4 to the OFF position.
Tag switches "Out of Service - Do Not
Tool kit, welder, 5180-00-754-0661
Piping system, Fresh water
cooling P/N 8532027, refer
to TM 55-1905-223-24P
Warning tags, Item 1, Appendix C
Utility pail, Item 13, Appendix C
Ensure system is turned OFF and tagged to prevent operation
during maintenance. Generated pressure could cause injury.
All welded type valves are replaced in the same manner.
a. Isolate valve from system.
(1) Trace inlet piping (2) to nearest isolation valve.
(2) Close isolation valve (1).