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I bought a wire wheel for my bench grinder, primarily to dress nuts and bolts. There's a nut on the end of each side of the grinder axle, and I took a wrench to it. Unggghhh, the wheel just spins. OK, how do I keep the wheel from spinning? I know! Put on a glove and hold it. Nope, that nut is on there tight! All righty then, I'll go to the other side, and put a wrench on that nut. Hmmm....that one goes off easily, but not the wheel I want to replace.
Time for the big guns: the air impact wrench! Aha! The nut it beginning to move, but it still won't come off. WTF? Now, the wheel won't spin! What? Careful inspection shows the wheel is now put hard against the inside flange. Huh? Am I screwing the nut in instead of out? Yes, you got it: the nut is left-handed! Reversing the impact driver made quick work of that nut.
Now the inside flange has been severely deformed, and the nut is severely compressed, so I'll have to order replacement components.
What I can't understand is why there would be a left-hand nut on the left side of the grinder, and a right-hand nut on the right side of the grinder, when both wheels turn in the same direction!
Grrrrr....
Time for the big guns: the air impact wrench! Aha! The nut it beginning to move, but it still won't come off. WTF? Now, the wheel won't spin! What? Careful inspection shows the wheel is now put hard against the inside flange. Huh? Am I screwing the nut in instead of out? Yes, you got it: the nut is left-handed! Reversing the impact driver made quick work of that nut.
Now the inside flange has been severely deformed, and the nut is severely compressed, so I'll have to order replacement components.
What I can't understand is why there would be a left-hand nut on the left side of the grinder, and a right-hand nut on the right side of the grinder, when both wheels turn in the same direction!
Grrrrr....