Halon 1301 Fire System.

TM 55-1915-200-10

2-7.4.2. Bypass of 25-Second Discharge Delay.

e. If steering is not possible from the pilothouse,

dispatch a crew member to the Emergency Steering

System Station and establish communication on the

a. Pull out locking pin (3, FIGURE 2-225).

sound powered telephone system.

b. Pull lever to open.

f. Switch the Emergency Transfer selector (6,

FIGURE 2-223) located in the Emergency Steering

2-7.4.3. Manual Release of Halon for Fire in Bow

System Station, to #1 Emergency System position.

Thruster Room.

g. Attempt to steer the vessel using the

Emergency Steering Station joysticks (3 and 4, FIGURE

a. Close all doors to protected area.

2-224), at the direction of the helmsman.

b. Open 1/2" stop valve (1, FIGURE 2-226)

located in the STBD deck store, by operating release

2-7.4. Halon 1301 Fire System.

lever on top of valve. (Remove pin and pull lever.) c.

Open CO2 pilot cylinder (2) by operating release lever

2-7.4.1. Manual Release for Halon for Fire in Engine

on side of cylinder valve. (Remove pin and pull lever.)

Room.

NOTE Alarm siren will sound in Bow Thruster room and

discharge of Halon will be delayed 25 seconds to allow

evacuation of area to be protected.

a. Close all doors to protected area.

b. Open 1/2" stop valve (1, FIGURE 2-225),

WARNING

located in the machinery room, by operating release

Halon 1301 may produce toxic

lever on top of valve. (Remove pin and pull lever.) c.

byproducts while extinguishing fire.

Open C02 pilot cylinder by operating cylinder release

Where possible, the area in which

lever (2) on side of cylinder valve. (Remove pin and

the discharge took place should be

pull lever.)

left secured for 30 minutes.

Personnel should wear protective

NOTE

clothing and breathing apparatus

Alarm siren will sound in Engine

upon re-entry.

Room and discharge of Halon will be

delayed for 25 seconds to allow

2-7.4.4. Bypass of 25-Second Discharge Delay.

evacuation of area to be protected.

WARNING

a. Pull out locking pin (3).

Halon 1301 may produce toxic

b. Pull lever to open.

byproducts while extinguishing fire.

Where possible, the area in which

the Halon discharge took place

should be left secured for a minimum

of 30 minutes. Personnel should

wear

protective

clothing

and

breathing apparatus upon reentry.

2-584