Rudder chassis support bar. How to remove it?

[Mika Harju]

There is a welding failure on my rudder chassis so I need to remove it.

The lower support bar is installed with three M10 screws. Two at the front are welded to the steel bar and the nuts are inside, but my problem is the third one at the stern. There is a M10 hexagon head screw but I do not know is there an ordinary M10 nut or a M10 threaded steel plate or what inside? Whatever there is it is covered with a lot of classfiber.

DF1000 and DF920 should have similar construction.

Please see attached drawing and photos:
Please click on any of the photos to see them enlarged!



Drawings: HowToRemoveRudderChassis.pdf, HowToRemoveRudderChassis2.pdf

[Mika Harju]

No problem. It was easy to remove and there needs to be a non rotating plate with M10 thread inside.