3-222. Replace/Repair Flanged Valves.
This task covers:
a. Removal, b. Repair,
Tool kit, general mechanic's,
At Ship Service Switchboard, set
BILGE/BALLAST circuit breaker to the
OFF position. Set FIRE PUMP 1 and
FIRE PUMP 2 circuit breakers to the
OFF position. Tag switches "Out of
Piping system, bilge ballast and
Service - Do Not Operate."
firemain P/N 8529024, refer to
General Safety Instructions
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.
* Use extreme care when breaking system
connections. Escaping pressure
and/or fluids could cause injury.
* Clean up spills immediately. Spills
create an unsafe working area.
Refer to paragraph 2-330 for procedures.