[rck46]

Here is a picture of the dissassembled tuning cap shaft on my 37-630.  I took it apart to clean it because it was hard to turn due to dried up grease.  When I try to assemble it I can't get the small shaft on the left of the picture to stay locked inside the larger shaft.   I believe the small shaft is supposed to stay locked inside the larger shaft by the three ball bearings riding in the groove at the end of the small shaft and being held in place by the larger shaft.  I think my problem may be that one of  the ball bearings is smaller than the other two.  You can see the smaller one in the picture.  Has anyone had one of these apart and can you confirm that my problem is the small ball bearing - or am I missing something?   Any advice is appreciated.

Bob