TEST - TM-55-1905-220-14-90188

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FIRE ALARM PANEL - MAINTENANCE INSTRUCTIONS

TM-55-1905-220-14-9 Landing Craft Utility LCU 1671-1679 NSN 1905-01-009-1056 Manual

REPLACE

TM 55-1905-220-14-9

4-46.2. FIRE ALARM PANEL - MAINTENANCE INSTRUCTIONS (Continued).

LOCATION

ITEM

ACTION

REMARKS

TEST

2. Fire

a. Lights - Activate pressure switch in aft engine room. The

alarm

lamp for aft engine room will light.

panel

b. Audible Alarm - By placing the switch in the ON position,

will activate the pilothouse horn.

Conduct the same tests for the light and audible alarm of

the forward engine room.

d. Upon completion of tests, reset audible alarm switch to

desired position, and reset the pressure switches by de-

pressing the buttons located on top of the switchboxes.

REPLACE

3. Lens and

a. Lens cap(1)

Remove

Refer to page

lamps

4-1158.

b. Lamp(2)

Remove

Lens cap(1)

Install

4. Lamp

a. Wiring

Unsolder

holder

b. Locknut and

Replace

lampholder(3)

Toggle switch (4)

Replace

d. Wiring

Resolder

Refer to sche-

matic, page

4-1159

Change 1

4-1157