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 TM 55-1905-223-10
b.
Paint Locker Halon Operation.
WARNINGS
● All personnel must leave the paint locker compartment immediately
upon activation of the HALON 1301 fire suppression system alarm.
System discharges 60 seconds after activation. Evacuating personnel
must secure all hatchways and doors as they evacuate the area.
● A waiting period of at least 30 minutes is required to ensure the area
has cooled and that the fire will not reignite upon entry of personnel.
When hatch or door is opened or the ventilation system is restarted,
oxygen enters the area and dilutes the HALON.
● Do not reenter the space where HALON has been used to extinguish a
fire unless you are wearing an oxygen breathing apparatus (OBA). Wear
the OBA until the atmosphere is certified safe. Anyone suffering from
the toxic effect of HALON 1301 vapor should immediately move or be
moved to fresh air.
NOTES
● Alarm siren will sound in main engine room. Discharge of
HALON will be delayed for 60 seconds to allow evacuation
of main engine room personnel. Discharge of HALON is
completed in 10 seconds.
● During the 60-second warning time, four PRESSURE OPERATED
SWITCHES automatically shut down the main engine room
console, two main engines, two ship service generators, fuel
oil supply pumps and the ventilation system in the main engine
room. Before this equipment can be restarted, the four PRESSURE
OPERATED SWITCHES located above the Halon bottles on the
forward bulkhead under the ladder to the port forecastle deck
must be reset.
● Resetting the four PRESSURE OPERATED SWITCHES does not
reset the HALON 1301 Fire Suppression System. The HALON and
CO2 cylinders must be recharged or replaced and the pull boxes
reset by depot maintenance when the LCU is docked.
● Not applicable to vessels with FM-200 Fire Suppressant System
installed. Reference paragraph 2-46 through 2-47 for FM-200 and
Water Washdown System operation. Reference TM 55-1905-243-24&P,
LCU-2000, FM-200 Fire Fighting System for maintenance and
installation of FM-200 components.
Change 10
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