The pulley appears too far open. When assembled, where is the motor belt riding on the motor pulley under this setting?
The 'vanes' of the control sheave appear to align with the 'vanes' of the idler sheave. The vanes should align with a void in the opposing sheave. Is the key assembled on the idler shaft? Has the control sheave slipped past the end of the key?[is the control sheave free to rotate independently from the shaft?????]
Just for confirmation, you've replace both idler shaft sheaves, is that correct? And were both new parts from SS? But the motor sheaves are older, potentially from the original Greenie?
A high speed adjust is only going to solve part of the problem IMO. The binding that occurred at a moderate speed is something else, I think. Were you changing speeds when it bound up?
When the drive belt binds up it is caught on the Sheave vanes. I concur the sheave halfs should not rotate seperately as there is a key that is supposed holds them in line with eachother.
Yes both the control sheave and idler sheave have been replaced with new ShopSmith parts. The original greenie motor sheaves were in good condition and operational and thus were not replaced at rebuild.
Actually the binding was during operation at the fast speed setting with no speed adjusting taking place when the drive belt bound up. This leads me back to the mis-alignment of the idler and control sheaves.
I'm going to open it back up and investigate why the idler and control sheaves are able to move independant of eachother.
