REMOVAL - AIR HORN - TM-55-1905-220-14-40771

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AIR HORN - MAINTENANCE INSTRUCTIONS (CONT'D).

TM-55-1905-220-14-4 Landing Craft Unit LCU 1671-1679 (1905-01-009-1056) Manual

REMOVAL WHISTLE VALVE

TM 55-1905-220-14-4

3-57.1. AIR HORN - MAINTENANCE INSTRUCTIONS (CONT'D).

LOCATION

ITEM

ACTION

REMARKS

REMOVAL - AIR HORN

WARNING

Turn off all electric power to compressor and drain air system

before attempting any work on air system.

1. Air horn

a. Cover

Remove all hex

screws (1) holding

cover (2) on horn

body (4).

b. Air horn body

Remove old diaphragm

(3) and clean surround-

ing area of any dirt

and debris.

INSTALLATION

2. Air horn

a. Air horn body

Replace diaphragm

or, if necessary,

replace with new

diaphragm.

b. Cover

Replace cover and

check horn opera-

tion.

Change 3

3-1014.2