I have an SCM S540P with a 1” Laguna Resaw King, and it tracks beautifully. The SCM wheels are flat, not crowned, and the teeth at upper wheel hang over the edge of the wheel.
My saw also squeals on start-up and vibrates while getting up to speed, so I’ll follow Tom’s advice and check the motor pulley alignment.
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John Hinman
Boise ID
K700S and A941