Quantcast Repair Sound Powered Telephone SER (MOD)-19.

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TM 55-1905-223-24-18-2
MAINTENANCE OF SOUND POWERED PHONE SYSTEM
3-34. Repair Sound Powered Telephone SER (MOD)-19. (Figure 3-31)
This task covers:
a. Disassembly,
b.
Repair,
c. Assembly.
INITIAL SETUP
Equipment Condition
Tools
Tool kit, electrician's,
Sound powered telephone removed,
para. 2-31 .
Materials/Parts
Gasket P/N 50-19A
Hand ringing generator P/N 22
Manual control handle P/N 24
Electromagnetic relay P/N 31
Electrical bell P/N ICB2S4EXP
Warning tags, Item 1, Appendix C
DISASSEMBLY
a. Remove self-locking screws (1).
b. Remove telephone cover (3) and gasket (4).
c. Tag and disconnect electrical leads and remove telephone selector switch (2).
d. Remove self-locking screw (13).
e. Remove headset bracket (14), bracket spring (15), and cotter pin (16).
f. Tag and disconnect electrical leads and remove telephone box (7).
g. Remove drive screw (17).
h. Remove hand ringing generator (9) and manual control handle (8).
i. Remove electromagnetic relay (18).
j. Remove drive screw (20, 21) and terminal board (6).
k. Remove drive screw (11) and terminal board (12).
l. Remove telephone cord guard (10).


 


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