TM 11-6605-202-12/TO 5N3-3-10-1
REPLACEMENT PROCEDURES
GENERAL
4-15. This section contains instructions for replacing the compass set components and additional
equipment as required by the Maintenance Allocation Chart (MAC) in Appendix B. These step-by-step in-
structions are intended for the AVUM technician and enable him to remove and replace the gyro, fluxgate,
flux compensator, and additional equipment.
REPLACEMENT OF THE GYRO
CAUTION
Be very careful when handling the gyro. Do not drop it or let it receive hard shocks; shocks can easily
damage the gyro and make the compass set inaccurate.
Removal
4-16.
Remove power from the compass set.
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Disconnect the aircraft mating connector from J1 on the base of the gyro assembly.
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Remove the two front mounting screws that connect the gyro base to the aircraft.
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Loosen the two rear mounting screws that connect the gyro base to the aircraft.
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Slide gyro forward until the rear mounting flange clears the screws and then remove.
After you have removed the replacement gyro from its box, place the damaged gyro in the box to pre-
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vent further damages.
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