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 TM 55-1905-223-24-18-2
MAINTENANCE OF PIPING SYSTEM, FIRE PUMP UNIT ASSEMBLY
3-264. REPLACE/REPAIR WELDED FITTINGS.
This task covers:
a. Removal
b. Repair
c. Replacement
INITIAL SETUP:
Tools
Equipment Condition
Tool kit, general mechanic's,
At Ship Service Switchboard, set FIRE
PUMP 1 and FIRE PUMP 2 circuit
Torch outfit, cutting and
breakers to the OFF position. Tag
welding medium duty, oxygen
switch "Out of Service-Do Not
and acetylene, 3433-00-357-8116
Operate."
Tool kit, welder, 5180-00-754-0661
General Safety Instructions
Materials/Parts
Piping system, fire pump unit
WARNING
assembly P/N 8529047, refer
Ensure system is tagged to prevent
to TM 55-1905-223-24P
Warning tags, Item 1, Appendix C
operation during maintenance.
Utility pail, Item 13, Appendix C
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.
Exercise extreme caution when
working with flammables.
REMOVAL
Refer to paragraph 3-217 for procedures.
Change 1
3-741
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