I have a vertical card compass in my J. Picture attached. We did some recent panel work and the glare shield was removed. After picking the plane up we noticed that the compass did not read correctly. Presumably the displacement was caused when the compass was hit when removing the glare shield.
I know the little white balls on each side help "balance" the compass because of the amount of metal int he Mooney, but I am not sure exactly how to re-calibrate the compass. There are two small screws in the bottom of the compass card that I assume are used to re-calibrate. Is this something I can do or do I need a mechanic. If I can do it, any helpful hints, youtube video of this being done or other suggestions are welcome.