Reply by DannyB

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Posted on Question about Grizzly 0490x 8" jointer

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46 posts in 3389 days

#1 posted 07-09-2012 02:10 AM

The belt was a direct replacement on my version of the g0490. I have one of the non-cogged v-belt versions (IE before they moved to “serpentine belts”).

I replaced the belt with a “Grizzly H9815 Power Twist® V-Belt, 1/2” x 4”.

While i had the belt off, I also made sure the pulleys were properly aligned.

You say you have one of the ribbed v-belts, so i don’t think this will work in your case.

Out of morbid curiosity, try taking the belt guard off (part 204 on and watch the belt as it spins up and down.

IIRC, the sudden tension on mine was causing the belt to band into the side of the belt guard on startup, causing the slapping noise. However, this was 3+ years ago, I could be misremembering.

In any case, with the belt guard off, you should be able to see if anything bad is happening, and be able to quickly determine how to fix it.

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