robslc

Hey Glenn and Bob, thanks for the replies! I unfortunately bought the Consew csm1001 servo motor package, as you guys probably know every part is made as cheaply as possible, including the softest screws on the planet, the phillips heads strip if you look at them wrong. The positioner and round fitting that attaches to the balance wheel are now 99% plastic. The round fitting and the part of the positioner (with the set screws) that holds the fitting seems like it's made out of good nylon (possibly glass reinforced) and the tolerances are good... The existing screw is still too short even though it now fits inside the round fitting. I'll be calling Toledo today for the 200006 screw and I'll be sure to pad the order with needles and thread and when this cheap motor dies, I'll be calling them for the Family Sew FS-550s motor...

Reviving this old thread, hope that is ok!? I am in the same boat. New to registering on this site (but have lurked for a while) and to a mint 206rb-2 and I am having the same problem, 17/64-24 is such an odd size screw... I have yet to take the balance wheel off and inspect what is going on but it seems from the parts list that the set screws hold the balance wheel on the shaft, what does part #50 have to do with adjusting the balance wheel? Why is the screw split? I am thinking about drilling and tapping that hole to either 5/16 or 7mm, is that a bad idea? It sure is difficult to find Singer part #200006 or Consew #10646 (hook saddle screw for Consew 744rXX or 745RXX)