FIRE DETECTION SYSTEM, REPLACE - TM-55-1925-292-14-P0249

TM 55-1925-292-14&P

0027 00

DIRECT SUPPORT MAINTENANCE

FIREFIGHTING, FIRE ALARM, AND FIRE SUPPRESSION SYSTEMS FOR

INLAND AND COASTAL LARGE TUG (LT)

FIRE DETECTION SYSTEM, REPLACE

INITIAL SETUP:

Tools and Special Tools:

References (continued):

Tool Kit, General Mechanic's (Item 1, Table 2,

Personnel Required:

Two Watercraft Engineers, 88L

Equipment Conditions:

CLOSE valves FO-21, F.O. SPLY TO S.S.D.G. NO.

Materials/Parts:

1, FO-22, F.O. SPLY TO S.S.D.G. NO. 2, and

FO-32, F.O. SPLY TO ENG. Lock out and tag

Tag, Danger (Item 8, Table 1, WP 0050 00)

out (FM 55-502).

Lock out and tag out (FM 55-502) the SHORE PWR.

References:

RCPT.

FM 55-502

Fire detection system prepared for removal

TB 43-0218

WP 0014 00

(WP 0014 00).

WP 0017 00

Fire detection panel component modules removed

WP 0025 00

(WP 0026 00).

WARNING

Never reuse locking hardware. Reuse of locking hardware such as lockwashers,

locking nuts, cotter pins, and lock wire can result in undetected loosening of

fastening hardware causing catastrophic component failure resulting in death,

injury, or damage to equipment. In accordance with TB 43-0218, ensure that all

locking hardware is discarded upon removal and replaced with new.

FIRE AND SMOKE DETECTION PANEL REPLACEMENT

REMOVAL

NOTE

The fire and smoke detection panel can only be removed by opening the main switch-

board. All power to the vessel must be secured. Crewmembers will need to provide

battery powered lighting for the Removal and Installation procedures of the fire and

smoke detection panel.

1. Loosen the two captive screws (figure 1, item 1) on the number 2 generator control panel (figure 1, item 2) of

the main switchboard (figure 1, item 3).

2. Loosen the four captive screws (figure 1, item 4) on the inboard 460 volt panel (figure 1, item 5).

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