Manual Release of Halon for Emergency Generator Room.

TM 55-1915-200-10

2-7.4.5. Manual Release of Halon for Emergency

h. Open ballast tank discharge valves as required

Generator Room.

(15, 16, 17, 22, and 25).

i. Open ballast main suction valve (8, FIGURE 2-

229).

a. Close emergency generator's room door.

j. Start bilge pump (6) by pressing START button

b. Remove locking pin (4, FIGURE 2-227) from

(71, FIGURE 2-18) on motor control center.

CO2 cylinder, raise lever (2) on top of cylinder.

CAUTION

NOTE

Observe discharge pressure gauge

Alarm siren will sound in emergency

(29, FIGURE 2-229). If no discharge

generator room and discharge of

pressure is observed within 30

Halon will be delayed for 25 seconds

seconds, press the STOP button (70,

to allow evacuation.

FIGURE 2-230, Sheet 1 of 2). Refer to

unit maintenance.

WARNING

Halon 1301 may produce toxic

byproducts while extinguishing fire.

k. Press the STOP button (70, FIGURE 2-230,

Where possible, the area in which

Sheet 1 of 2) when the tank(s) is empty, as indicated by

the discharge took place should be

a loss of discharge pressure.

left secured for a minimum of 30

minutes.

Personnel should wear

l. Close all valves in the ballast piping system and

bilge ballast piping system.

protective clothing and breathing

apparatus upon reentry.

2-7.6. Bilge Pumping With Ballast Pump. (FIGURE

2-7.5. Deballasting With Bilge Pump . (FIGURES 2-

2-228)

228 and 2-229)

NOTE

This procedure causes polluted

a. Close all valves in ballast piping system and

water to be pumped directly

bilge ballast piping system.

overboard.

Use only in an

b. Open bilge pump discharge valve (30, FIGURE

emergency.

2-229) and pressure gauge cutoff valve (5).

c. Open in line stop valve (2).

a. Close all valves in piping system.

d. Open discharge overboard valve (3).

b. Open Emergency bilge suction valve (1).

e. Open bilge pump suction valve (24).

c. 3. Open pressure gauge cutoff valve (5).

f. Open crossconnect valve (28, FIGURE 2-228).

d. Open ballast pump discharge valve (7).

g. Open ballast overboard valve (12).

e. Open ballast overboard valve (12).

2-589