Reply by mc79

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Posted on Delta Unisaw Operating Noise

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23 posts in 2035 days

#1 posted 06-08-2013 05:27 AM


Thanks for the replies..I’m just now getting back around to trying to fix this noise vibration issue and the loud bang at startup if possible (more concerned about the vibration). Just for background – this saw was just purchased as New Old Stock from a old dealer that purchased it new from Delta back in 2006 or whenever these were built (36-L51X-BC50). It has been sitting in its original crate unopened since they received it and I bought it as is. Don’t know if any warranties would apply in my situation but hopefully its an easy fix. I am still a noob on these types of adjustments. I had a Ridgid TS that I didn’t really have to make any adjustments to so this is a little new to me.

When I shot the 1st video the saw was up on a sturdy funiture dolly. I was hoping getting it settled into its permanent home (on a Delta Mobile Base) would solve the vibration issue but it hasn’t changed at all. I have just opened up the cover and removed the guard/splitter to take a look. I haven’t really dug in too far yet. I’ve posted some pictures below of what the motor and belts look like. Hopefully someone can spot if its something extremely obvious in the photos below. (the belts are all on the pulleys – I don’t know what the tension should feel like on them.). The motor does seem to be over towards front quite a bit almost to where it is touching the outer gray cabinet wall. This makes the belts angle towards the front as they go down to the bottom motor pulley. I’m not sure if this is how it is supposed to be. The picture in the manual is a little hard to make out but the motor looks a little more centered in the space than what mine is. Can you guys take a look and let me know if anything jumps out at you? I’ve taken quite a few pics of everything I had easy access to.

Top Arbor Pulley Nut on outside facing me

Notice Belts going Diagonal

Botom of belts on Motor Pulley

Motor up very close to the Front Base of Cabinet

Arbor Pulley/Belts (top view)

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