REMOVAL - TM-55-1905-220-14-90277

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TWO-LINE ALARM PANEL - MAINTENANCE INSTRUCTIONS

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

REPAIR

TM 55-1905-220-14-9

4-48.2. TWO-LINE ALARM PANEL - MAINTENANCE INSTRUCTIONS (Continued).

LOCATION

ITEM

ACTION

REMARKS

REMOVAL

a. Screws (1) Remove.

and lock-

washers (2)

b. External

Tag and disconnect.

Refer to wiring

wiring to

diagram in Fold-

terminal

out 1.

strip

c. Alarm panel Remove.

(3)

REPAIR

NOTE

Refer to wiring diagram (Foldout 1) when performing all repairs.

3. Super-

a. Screws (4)

Remove two places.

Behind ident

visory

cards.

Relay

b. Screws (5),

Remove two places.

and lock-

washers (6)

Screws (7)

Remove.

and lock-

washers (8)

d. Spacers (9)

Remove.

e. Relay (10)

1. Remove.

2. Unsolder wiring.

3. Replace.

4. Resolder wiring.

5. Install.

Spacers (9), Install.

screws (7),

and lock-

washers (8)

4-1250