Emergency Generator Room Halon Operation.

TM 55-1915-200-10

Halon 1301 Fire Suppression System

(4) Pull interior handle away from pull box

alarm. System discharges within 25

approximately 4 to 6 inches. Release handle.

seconds after avtivation. Evacuating

personnel must secure the door as

(5) Pull handle (2).

they evacuate the area.

(6) Pull down on handle and open cover on

a. Operation of the emergency generator room

CYLINDER RELEASE pull box using hammer (3).

surface pull box (FIGURE 2-143) will release Halon into

the actuation piping.

Halon is held back by the

(7) Pull interior handle away from pull box

discharge delay for 25 seconds while the siren sounds

approximately 4 to 6 inches. Release handle.

and pressure switches are activated for ventilation

shutdown.

NOTE

Alarm siren will sound in bow

b. After the Halon system has been discharged,

thruster room. Discharge of Halon

the pressure operated switch mounted in upper

will be delayed for 25 seconds to

machinery room must be reset by pushing the stem

allow evacuation of bow thruster

down to the SET position (FIGURE 2-142).

room.

Discharge of Halon is

completed in 10 seconds.

NOTE

Pressure Operated Switches Reset.

Further resetting is not rerequired.

During the 25 second warning time,

The Halon cylinder must be

two

PRESSURE

OPERATED

recharged or replaced and the pull

SWITCHES

automatically

shut

box must be reset by depot

down the bow thruster engine and

maintenance when the vessel is

the ventilation system in the bow

docked.

thruster room.

Before this

equipment can be restarted, the

2-5.9.4. Paint Locker Halon Operation.

two

PRESSURE

OPERATED

SWITCHES must be reset.

a. A Halon fire suppression cylinder is mounted in

the rear of the paint locker above the top shelf.

(8) Push the stem (1, FIGURE 2-143) down

to the SET position.

WARNING

NOTE

All personnel shall leave the paint

Further resetting is not required.

locker

area

immediately

upon

The Halon and C02 cylinders must be

activation of the Halon 1301 Fire

recharged or replaced and the pull

Suppression System.

System

boxes must be reset by depot

discharges within 10 seconds after

maintenance when the vessel is

activation.

Evacuating personnel

docked.

shall secure the watertight door as

they evacuate the area.

2-5.9.3. Emergency Generator Room Halon Operation.

b. Cylinder is equipped

with

automatic

WARNING

temperature actuated valve.

All personnel shall leave the

emergency

generator

room

immediately upon activation of the

2-413