After Shutdown Bow Thruster Compartment

TM 55-1915-200-10

2-5.8.12. After Shutdown Bow Thruster Compartment

b. Check lubricating oil day tank level (3, FIGURE

2-136).

a. Secure bow thruster fuel oil system piping

(FIGURE 2-139).

c. If necessary, add oil at expansion tank fill port

(4).

(1) Close fuel oil day tank outlet valve (3).

2-5.9. Halon 1301 Fire Suppression Operation The

Halon 1301 Fire Suppression System consists of engine

(2) Close inline stop valve (7).

room, bow thruster room, emergency generator room and

the paint locker.

NOTE

2-5.9.1. Engine Room Halon Operation.

Two fuel oil filters are installed.

Secure fuel filter inlet and outlet valves

WARNING

in use.

A waiting period of at least 30

minutes is required to ensure that

(3) Close fuel oil filter inlet valve (9) or (14).

the area has cooled and the fire will

not

re-ignite

upon

entry

(4) Close fuel oil filter outlet valve (11) or (12).

personnel. When a hatch or door is

opened or the ventilation system is

restarted, oxygen enters the area

b. Secure engine cooling water system piping

and dilutes the Halon.

(FIGURE 2-138).

Do not re-enter the space where

(1) Close cooling water inlet valve (7) to keel

Halon has been used to extinguish a

cooler.

fire unless wearing an oxygen

breathing apparatus (OBA).

(2) Close cooling water outlet valve (8) from

keel cooler.

Wear the OBA until the atmosphere

is certified safe. Anyone suffering

(3) Close cooling water expansion

tank

from the toxic effects of Halon 1301

discharge valve (4) to bow thruster engine.

vapor should immediately move, or

be moved, to fresh air.

(4) Close cooling water expansion tank fresh

water fill valve (1).

All personnel must leave the engine

room immediately upon activation

of the Halon 1301 Fire Suppression

c. Turn off compartment air supply by pressing

System alarm. System discharges

STOP button (5, FIGURE 2-137) on BOW THRUSTER

within 25 seconds after activation.

COMPARTMENT VENTILATION SYSTEM controller.

Evacuating personnel must secure

the doors as they evacuate the area.

2-5.8.13. After Shutdown Port Deck Stores Compartment

a. Surface Pull Box.

a. Secure bow

thruster

lubricating

oil

system

(FIGURE 2-136).

(1) Close gear oil expansion tank inlet valve (1)

from bow thruster.

(2) Close gear oil expansion tank outlet valve

(7) to bow thruster.

2-408