TM 55-1905-223-24-14
Section V. UNIT MAINTENANCE PROCEDURES
2-10. Introduction . This section contains information to perform unit maintenance tasks directed by the Maintenance
Allocation Chart (MAC).
MAINTENANCE OF GYRO AND MAGNETIC COMPASS SYSTEM
2-11. Replace/Repair Gyro Compass System MK 27 MOD 1.
This task covers: a. Replace, b. Repair.
INITIAL SETUP
Tools
Equipment Condition
Tool kit, general mechanics
TM 55-1905-223-10, compass
secured.
Tool kit, electrician's,
Materials/Parts
Gyro compass system, Mk 27 Mod 1,
P/N 1883956-120
REPLACEMENT
Replace gyro compass system equipment in accordance with paragraphs 2-12 (gyro compass), 2-13 (gyro control
and power assembly), and 2-15 (switch unit).
REPAIR
Repair of gyro compass system (lamps, fuses and cable C-LC12) is-covered in paragraph 2-14.
2-16
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