Mine did that for a short while. I didn't find it bothersome and found that it
eventually went away. Obviously, the slight amount
of side movement of the blade, over time, wore off the contacting material and
eliminated the noise.
| I have a PM66 with a Leecraft zero clearance insert and a Forest WW2 blade.
| The saw, when lower than the insert is whisper quiet(5HP). But once it is
| up in its insert, which has already been plowed out, it makes noise as if it
| is still rubbing on the sides slightly? Is this common? I would think once
| it has made its cut, it would be quiet?