Blade Tips & Troubleshooting - Arbor Hole Out-of-Round

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Cause
Saw arbor badly worn due to improperly seated blades.

Remedy
Be certain the blade is properly seated on arbor before tightening flange.

Cause
Blade flanges not properly tightened permitting blade to rotate on shaft.

Remedy
Always wrench tighten the arbor nut. Never hand tighten. Always use hex nut, never use wing nuts.

Cause
Blade flanges or arbor shaft worn and not providing proper blade support.

Remedy
Check blade flanges or arbor shaft for wear. Both flanges should be less than that recommended by the manufacturer. Replace worn parts.