Hey all,
We have C-130T A/C. Were having some issues with our #1 and #2 c-12 compass system. For #1, #1 COMPASS SYSTEM STICKS IN VARIOUS HEADINGS. WHEN SLEWED AT CONTROL HEAD COMPASS HEADING UNSTICKS AND WORKS AGAIN. For #2, #2 COMPASS RATCHETS +/- 7 DEGREES IN MAG AND DG (SWAPPED CONTROL HEADS, AMPLIFIERS AND DIRECTIONAL GYROS, NO JOY) RAN UP #2 COMPASS DURING TURNS. VIBRATION CAUSES GYRO TO DEVIATE WORSE THAN WHEN STATIONARY. We replaced the Gyro for #2 and still no joy. Any Ideas? Thanks!