REPAIR - TM-55-1905-223-24-18-20150

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Repair Sound Powered Telephone SER (MOD)-19.

TM-55-1905-223-24-18-2 Landing Craft Utility (LCU) NSN 1905-01-154-1191 Basic Craft Part II Manual

REPAIR SOUND POWERED TELEPHONE SELR (MOD)-19.

TM 55-1905-223-24-18-2

m. Tag and disconnect electrical leads and remove electrical bell (22).

REPAIR

Repair at this level of maintenance is by replacement of gasket (4), hand ringing generator (9), manual

control handle (8), electromagnetic relay (18), and electrical bell (22).

ASSEMBLY

a. Install electrical bell (22). Remove tags and connect electrical leads.

b. Install telephone cord guard (10).

c. Install terminal board (12) and drive screw (11).

d. Install terminal board (6) and drive screw (20, 21).

e . Install electromagnetic relay (18).

f . Install manual control handle (8) and hand ringing generator (9).

g . Install drive screw (17).

h . Install telephone box (7). Remove tags and connect electrical leads.

i . Install cotter pin (16)', bracket spring (15), and headset bracket (14).

j . Install self-locking screw (13).

k. Remove tags, connect electrical leads and install telephone selector switch (2).

l. Install gasket (4) and telephone cover (3).

m. Install self-locking screws (1).

n. Refer to paragraph 2-31 for replacement of sound powered telephone.

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