TM 55-1905-223-24-14
This task covers: a. Removal, b. Replacement.
INITIAL SETUP
Tools
Equipment Condition
Tool kit, general mechanic's,
TM 55-1905-223-10, compass
secured.
Tool kit, electrician's,
Materials/Parts
Relay transmitter MK 37 Mod E
P/N 1977023
Warning tags, Item 8, Appendix C
REMOVAL
a.
On relay transmitter (1, Sheet 1) set POWER switch (4) to OFF.
b.
On pilothouse IC/ELEX panel, set circuit breaker No. 4 (MK 37 HEADING XMTR) to OFF. Tag "Out of
Service, Do Not Operate."
c.
On relay transmitter (1, Sheet 1, FIGURE 2-7) remove ground cable (6) by removing hexagon nut (8) and
lockwasher (7) from ground terminal (5).
d.
Loosen four fasteners (2) by loosening four pan head screws (12) and open cabinet on hinges as indicated on
FICURE 2-7, Sheet 2.
e.
Tag and disconnect cable (9, Sheet 2) EP103-4 from terminal board (22) TB1.
f.
Tag and disconnect cable (10) C-LC1O from terminal board (27) A2TB7.
g.
Disassemble two stuffing tubes (11) and pull cables (9 and 10) from cabinet.
h.
Tag and disconnect repeater cables (13, 14, 15, 16, 17, 18, 19, and 20, Sheet 1) from terminal board (23,
Sheet 2) A2TBI, (24) A2TB2, (25) A2TB3 and (26) A2TB4.
2-31
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