MAINTENANCE OF PIPING SYSTEM, POTABLE WATER
This task covers:
At Auxiliary Machinery Motor Control
Tool kit, general mechanic's,
Center press No. 1 fresh water pump
STOP pushbutton and set P205-4
Tool kit, welder, 5180-00-754-0661
circuit breaker to the OFF position.
Torch outfit, cutting and welding
Press No. 2 fresh water pump STOP
medium duty, oxygen and acetylene,
pushbutton and set P205-5 circuit
breaker to the OFF position. Tag
switches "Out of Service - Do Not
Piping system, potable water
P/N 8532028, refer to
Warning tags, Item 1,
Use extreme care when disconnecting. Escaping system pressure or fluid could cause injury.
All welded fittings are replaced in the same manner.
Remove vent valve (1) from vent pipe (2) by cutting valve (1) from vent pipe (3); refer to TB 55-1900-
Repair at this level of maintenance is by replacement of vent valve (1).