Hi,
The most likely suspects here are the grub screws on the Oldham not being snugged down. Also know you do not need to torque the begeezus out of them, snug is plenty good enough and make sure you snug all four of the buggers or you will be repeating the exercise sooner than later.??
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Chip Louie Chief Daydreamer Imagination Hardware?
? ?Astropheric Weather Forecast - South Pasadena, CA?
Chip Louie