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 TM 55-1905-223-24-18-2
MAINTENANCE OF PIPING SYSTEM, BILGE MANIFOLD UNIT ASSEMBLY
3-247. Replace/Repair Welded Valves.
This task covers:
a. Removal
b.
Repair.
c.
Replacement.
INITIAL SETUP :
Tools
Equipment Condition
Tool kit, general mechanic's,
Check Bilge Ballast and Firemain for
leaks and corrosion.
Torch outfit, cutting and
welding medium duty, oxygen
General Safetv Instructions
and acetylene, 3433-00-357-8116
Tool kit, welder, 5180-00-754-0661
WARNING
Materials/Parts
Ensure system is tagged to prevent
Piping system, bilge manifold
operation during maintenance.
unit assembly P/N 8529050,
Generated pressure could cause
refer to TM 55-1905-223-24P
injury.
Warning tags, Item 1, Appendix C
Utility pail, Item 13, Appendix C
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.
REMOVAL
Refer to paragraph 3-228 for procedures.
Change 1 3-724
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