[R-390] Removing Megacycle Change shaft

[Barry]

There shouldn't be an Oldham coupler on the MC change shaft - just on the KC change shaft that couples it to the PTO.  The MC change shaft has a ten-turn stop made up of those 11(?) wedge-shaped pieces on that shaft.  There shouldn't be a need to remove those parts but they also should stop at ten turns.  Have you turned it at least ten turns to see if it hits a stop?

73,
Barry - N4BUQ

> Just got my first R-390A and the Megacycle Change shaft just spins and spins;
> the Oldham coupling clamp is broken. But the problem is to remove the shaft I
> need to remove the circular "ring" attached to it. I am looking for a setscrew,
> but this doesn't look like any setscrew I have ever seen! I might have to drill
> it out unless someone has a better idea; what is this thing and how to i get
> this circular ring loose so I can pull the shaft to add a new clamp?
> 
> Paul
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