I have the spindle out of my 1942 EE10 to replace the clutch fork. The clutch dogs are rounded, as shown here:
Should I attempt to grind these square or just leave them alone?
I would but lightly "stone" the edges smooth of burrs - if any - and put 'em back in. They only have to carry power to the threading leadscrew, not-even the more heavily-loaded surfacing drive system, let alone the primary turning torque as those in the reduction gearbox on the motor have to serve.
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