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Discussion Starter · #1 ·
A few months ago, I purchased a used Jet JTAS-10-1/3 Tilting Arbor Table Saw Model M-708510. (Right tilting)

The owner was selling it at a reasonable price as he said it had a slight vibration. Upon inspection, I concluded the bearings on the motor were probably at fault so I replaced the bearings and the motor hummed smoothly.

I put the machine back together and long story short found that the arbor that was installed was for a left tilting saw. I contacted the seller and he admitted the original arbor shaft had been replaced. He offered to refund my money or reduce the price. I thought the saw was worth what I paid and that I could replace the arbor.

After several weeks searching the internet for the correct arbor shaft (The part is no longer available from Jet) I finally found an arbor shaft that matched the dimension of the shaft I had so I purchased it and installed it, saw now work great.

The other day I saw the left tilt arbor shaft sitting in a box. Out of curiosity I logged onto the Jet site to see if this arbor shaft was available. According to Jet and eReplacement--it is no longer available. Knowing how frustrated I was searching for an arbor shaft, I thought I should post.

I think this is part number JTAS10L-104; although my research found that several brands of table saws use a similar arbor shaft. I am including a picture of the left tilting arbor shaft with measurements.

If you or someone you know is in need of an arbor shaft, please contact me.
 

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Discussion Starter · #4 ·
Herb,

Yes, this one has "normal" threads that tighten when turned clockwise (righty tighty).

On a right tilt saw the placement of the motor makes it necessary for the threads to be opposite.

I have messed with several used table saws and always make certain I am a long distance from the saw when I first turn it on with a blade installed. I knew something was amiss when I first installed the arbor nut.

You probalby remember that in the olden days many saws only had one wrench. To remove a blade a piece of scrap wood would be lodged against the blade teeth to prevent it from turuning and then the wrench on the arbor nut would loosen the nut. So the arbor nut is always loosened by turning toward the front of the saw. This allows the rotation of the arbor shaft to always tighten the arbor nut.
 
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