TM 55-1905-223-24-14
(6)
Rotate bearing repeater (4) on pivot screws (3) to BOTTOM VIEW position. Secure pivot nuts (2) holding
repeater in this position.
(7)
Remove eight screws (5), lockwashers (6) and flat washers (7) from cover (8).
(8)
Remove cover (8) from repeater (4) as far as cabling will allow.
(9)
Locate lamp assemblies (14) DS1, (15) DS2, and (16) DS3.
(10) On appropriate lamp assembly (14, 15, or 16) remove screw (11), lockwasher (12), and washer (13).
(11) Remove lampholder (10) and remove incandescent lamp (9) from lampholder.
(12) Insert replacement lamp (9) into lampholder (10).
(13) Position lampholder and secure with washer (13), lockwasher (12), and screw (11).
(14) Position cover (8) on repeater (4) and secure with eight flat washers (7), lockwashers (6), and screws (5).
(15) Loosen two pivot nuts (2) and pivot screws (3) on support plate (1) and rotate repeater (4) to normal
position.
(16) Secure repeater by tightening two pivot screws (3) and two pivot nuts (2).
(17) Synchronize bearing repeater with gyro compass. Refer to TM 55-1905-223-10.
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.
(18) On relay transmitter (1, FIGURE 2-12) loosen four retaining clips (2) and open cabinet cover (3).
(19) On A2 circuit card assembly (4), set appropriate repeater toggle switch (5) to ON.
(20) Close cabinet cover (3) and secure four retaining clips (2).
(21) Remove "Out of Service" tag.
2-54
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