Model #257191100 Craftsman grinder bench

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Question and Answers


grinder wheel torque


Thank you for your question on the torque specifications on the grinding wheels.

There are not specific torque specifications on the stone grinding wheels.

It will depend on the style and type of wheel that you currently using on the grinder axle.

As long as you have both the inner and outer flange wheels in place on either side of the stone wheel then tighten the nut on the axle with enough torque to keep it from coming loose.

I generally put a wrench on both sides at the same and torque the nuts so the flange washer just begins to sink into the paper on the side of the wheels.

You will turn the nuts the opposite directions when tightening the wheel nuts both sides at the same time. It does not take much torque, just past snug.

Run the nut up snug on both wheels and then use a wrench and do about a quarter turn more.

You do not want to tighten them so tight that you crack the stones.

If your stones are out of true then use a cutter to true the wheels up as they spin to reduce vibrations.

I hope this will help.

Sam A.

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Sam A -
Sears Technician
November 29, 2011