TM 55-1905-223-24-14
2-21. Repair Bearing Repeater.
This task covers: Repair.
INITIAL SETUP
Tools
Equipment Condition
Tool kit, general mechanic's,
There are three bearing repeaters: (1)
port bridge wing, (2) starboard bridge
Tool kit, electrician's,
wing and (3) top of pilothouse. Trans-
mission power to each bearing repeater
is controlled by switches in relay
Materials/Parts
transmitter. These switches are labeled
S1 (port bridge wing), S5 (starboard
Incandescent lamp, P/N MS25231-1819
bridge wing), and S7 (top of
Special purpose electrical cable
pilothouse).
assembly (4 ft.) P/N T966063
Warning tags, Appendix C, Item 8
REPAIR
a. Lamp replacement. (FIGURE 2-14).
WARNING
Ship's ac power is present at FUSE F1 and POWER switch S1 terminals on inside of cabinet cover.
THESE VOLTAGES ARE DANGEROUS. Use extreme care when working inside of cabinet.
(1)
On relay transmitter (1, FIGURE 2-12), loosen four retaining clips (2) and open cabinet cover (3).
(2)
On A2 circuit card assembly (4), set appropriate repeater toggle switch (5) to the down position.
(3)
Close cabinet cover (3) and secure with four retaining clips (2).
(4)
Tag relay transmitter to indicate appropriate bearing repeater "Out of Service."
(5)
On appropriate pelorus stand (FIGURE 2-14) loosen two pivot nuts (2) and two pivot screws (3) on stand
support plate (1).
2-52
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