REPAIR SOUND POWERED TELEPHONE SELR (MOD)-19.

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REPAIR

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

FIGURE 3-32. Sound Powered Telephone SELR (MOD)-19

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

3-35. REPAIR SOUND POWERED TELEPHONE SELR (MOD)-19. (Figure 3-32)

This task covers:

a. Disassembly

b. Repair

Assembly

INITIAL SETUP

Tools

Equipment Condition

Tool kit, electrician's,

Sound powered telephone removed,

para. 2-31 .

Materials/Parts

Gasket P/N 450-19B

Pilot light assembly P/N 41

Hook switch P/N 44

Electromagnetic relay P/N 32A

Hand ringing generator P/N 22

Manual control handle P/N 24

Electrical bell P/N ICB2S4EXP

Electrical horn P/N IC/H1S4

Warning tags, Item 1, Appendix C

DISASSEMBLY

a. Remove drive screw (1).

b. Remove access cover (3) and gasket (10) from telephone housing (9).

c. Tag and disconnect electrical leads. Remove telephone selector switch (2).

d. Remove drive screw (8).

e. Remove headset bracket (5), headset retaining spring (6), and cotter pin (7).

f. Tag and disconnect electrical leads. Remove pilot light assembly (19), lens (20), and incandescent

lamp (21).

g. Remove hook switch (22).

h. Remove self-locking screw (14) and electromagnetic relay (25).

i. Remove self-locking screw (15).

j. Remove hand ringing generator (23) and manual control handle (24).