OPERATION UNDER USUAL CONDITIONS

TM 55-1925-292-14&P

0005 00

OPERATOR, UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE

FIREFIGHTING, FIRE ALARM, AND FIRE SUPPRESSION SYSTEMS FOR

INLAND AND COASTAL LARGE TUG (LT)

OPERATION UNDER USUAL CONDITIONS

INITIAL SETUP:

Tools and Special Tools:

References:

Sampling Pump (Item 4, Table 2,

TM 55-1925-273-10

TM 55-1925-273-SDC

Personnel Required:

WP 0046 00

Six Crewmembers, Any MOS

SECURITY MEASURES FOR ELECTRONIC DATA

No electronic data is used or stored in the firefighting, fire alarm, and fire suppression systems aboard the LT.

FM-200 FIRE SUPPRESSION SYSTEM ACTUATION

The following steps must be accomplished prior to system actuation:

1. Evacuate all personnel from the engine room and AMS 1.

2. CLOSE the watertight doors between the engine room, AMS 1, and AMS 2 (TM 55-1925-273-10).

3. Align fire and general service pump 1 as the online fire pump (TM 55-1925-273-10).

! CAUTION

FM-17 and/or FM-15 supplies raw water to various shipboard systems including the

refrigeration plant, the air conditioning plant, and the water maker. Failure to secure

power to these systems prior to closing the valves will cause damage to the equipment.

4. CLOSE the following valves:

a. FM-17, FIRE/G.S. PMP NO. 1 DISCH TO G.S. (figure 1, item 1)

b. FM-15, FIRE/G.S. PMP NO. 2 DISCH TO G.S. (figure 1, item 2)

5. OPEN WWS-1 (figure 2, item 1), located in the main deck vestibule, starboard side, to activate the Engine

Room Water Washdown System (ERWWS).

6. CLOSE the following:

a. PORT engine room supply fan intake damper (figure 3, item 1)

b. PORT engine room exhaust fan outlet damper (figure 3, item 2)

STBD engine room supply fan intake damper (figure 4, item 1)

d. STBD engine room exhaust fan outlet damper (figure 4, item 2)

e. AMS 1 supply fan intake hinged cover (figure 5, item 1)

0005 00-1