Quantcast Repair Sound Powered Telephone MWT-R-19

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TM 55-1905-223-24-18-2
3-38. Repair Sound Powered Telephone MWT-R-19. (Figure 3-35)
This task covers:
a. Disassembly
b. Repair
c. Assembly
Equipment Condition
Tool kit, electrician's,
Sound powered telephone removed,
para. 2-31 .
Gasket P/N 50-56
Hand ringing generator P/N 22
Manual control handle P/N 25
Electromagnetic relay P/N 31
Electrical bell P/N ICB2S4EXP
Warning tags, Item 1, Appendix C
a. Loosen t-handle (3) and open cover (1) on handset box (2).
b. Remove self-locking screw (4), handle guide (5), and t-handle (3).
c. Remove pivot rod retainer (6) and pivot rod (7).
d. Remove self-locking screw (10) and open mounting plate (13). Remove gasket (15).
e. Tag and disconnect electrical leads. Remove telephone selector switch (11).
f. Remove self-locking screw (21).
g. Remove hand ringing generator (12) and manual control handle (22).
h. Remove electromagnetic relay (23).
i. Remove drive screw (16).
j. Tag and disconnect electrical leads. Remove terminal board (17).
k. Remove identification plates (18, 19).
l. Remove self-locking screw (14) and handset bracket (9).


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