TM 55-1905-223-24-14
This task covers: Repair.
INITIAL SETUP
Tools
Equipment Condition
Tool kit, general mechanic's,
TM 55-1905-223-10, compass
secured.
Tool kit, electrician's,
Materials/Parts
Special purpose electrical cable assembly
P/N T961101
Glow lamp, P/N 632234-6
Cartridge fuse, (1 amp), P/N F03A25VlAS
Cartridge fuse, (8 amp), P/N F03A25OVlAS
Warning tags, Item 8, Appendix C
REPAIR
Repair of the gyro control and power assembly is limited to lamp replacement and fuse replacement.
a.
Lamp Replacement.
(1)
On gyro control and power assembly (1, FIGURE 2-3), remove appropriate lampholder lens (3) by
turning counterclockwise.
(2)
Push in on appropriate lamp (2) and turn counterclockwise and remove.
(3)
Position replacement lamp (2) in appropriate lampholder, push in and turn clockwise.
(4)
Thread lens to appropriate lampholder and secure by turning clockwise.
(5)
Start compass (TM 55-1905-223-10).
b.
AC or RPTR Fuse Replacement.
(1)
On gyro control and power assembly (1, FIGURE 2-4), push in on appropriate fuseholder cap (AC or
RPTR), turn counterclockwise, and remove fuse (3).
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