It has been getting more and more difficult lowering the blade on my Byrnes saw so I figured I'd share what I determined. First I blew out the little bit of sawdust that was under it. Cleaned off the threaded rod with a small wire brush and applied a light machine oil on all the pivot points I could find. This helped a little bit. Here's what actually fixed my issue. If you turn the saw upside down, directly across where you use the Allen wrench tool to lock the blade in place, there is a hex head bolt. I loosened that bolt and applied with a syringe some penetrating oil. This point is aluminum on aluminum and the saw is made with such tight tolerances I don't think I was getting any lubrication down into where it mattered. I snugged it back up and now the blade easily lowers and raises. Thought I'd share my experience in case others run into this.
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