Having trouble with newly aquired Delta Tilting Arbor Saw

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Forum topic by bookemdano posted 09-26-2016 01:36 PM 376 views 0 times favorited 4 replies Add to Favorites Watch
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2 posts in 758 days

09-26-2016 01:36 PM

I recently picked up a Delta Tilting Arbor Saw model CS-4S. It has a single belt, the motor is mounted on a pivot so that it hangs on the belt providing it tension. After I set it up an ran it, I found I am getting a lot of vibration, especially when it is just starting up and then winding down. I tried swapping the belt out but still have the same issue. When I run the motor without the belt attached it seems pretty smooth, and when I spin the blade and arbor by hand the action is pretty smooth. Any thoughts on why I am getting all this vibration and a possible fix?


4 replies so far

View pontic's profile


634 posts in 758 days

#1 posted 09-30-2016 05:23 PM

Check the pulley alignment between arbor and motor. Then check the Bushings in the bolt that hangs the pivot arm on the motor mount.

-- Illigitimii non carburundum sum

View Nick424's profile


97 posts in 789 days

#2 posted 10-03-2016 01:17 AM

Sounds like a bad bearing.

View bookemdano's profile


2 posts in 758 days

#3 posted 10-05-2016 01:55 AM

Any idea how to check the alignment? maybe hold a straight edge on the side of the pulley wheels? there is some play in the motor mount bracket where it hangs on the bolts. I was able to tighten one of the bolts but this won’t really affect the play as its in the opposite direction. When the saw is up and running it is pretty smooth. could there be a break in period with the belt? Most of the vibration occurs when the saw is winding down and it shakes the whole saw.

View toolie's profile


2145 posts in 2778 days

#4 posted 10-05-2016 04:56 PM

Check pulleys. Tilt saw to 45 degrees and put a straight edge across both the motor and the arbor pulleys. You’re hunting for anything in the drive train that might not be close to perfect.

-- there's a solution to every just have to be willing to find it.

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