The International Cessna 170 Association

This is exactly the AN type of DG. Will see what comes next. Thanks for your advice about "useless buy or repair".

Thanks Gene, That's exactly the adjustment knob you are describing. I have tried "Moovit" from Lloyds Laboratories. It works fine to lubricate doorlocks and carlocks. It always prevent freezing of carlocks due to freezing rain. However, so far, it does not work with the DG. Will try to hav...

DG from Jack&Heintz Co., Bedford Ohio
AN-57351
if you want to see pictures, I suggest you visit https://flyingcolorsairparts.com/22180

As a new member, I have found out how to attach a picture.

Any idea on how to loosen the resetting screw used to adjust the (1952, 170B) heading indicator with the compass?