Help with Delta 34-670, please

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Forum topic by Hugh1 posted 03-17-2013 02:28 AM 870 views 1 time favorited 3 replies Add to Favorites Watch
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4 posts in 1926 days

03-17-2013 02:28 AM

Hey, I bought a used Delta 34-670 and can’t get it too cut 3/4 ply. From other posts on this forum, I suspect that it is the intenal belt in the motor. I tried to figure out how to get at the motor to pull the old part and inspect, but I can’t figure out how to get to it. Can someone give me a quick description of how one is to replace this part? Do I take the motor all the way out? Is there any secret to reaching all of the bolts? I felt like I was trying to squeeze myself into a metal box and then work like a contortionist to reach bolts that I couldn’t see.



3 replies so far

View runswithscissors's profile


2764 posts in 2049 days

#1 posted 03-17-2013 06:42 AM

That model uses a cogged belt. I wonder if the “teeth” might be worn or broken off. Can’t help you with how to get at it though. You might be able to find a pdf of an owner’s manual or repair manual.

-- I admit to being an adrenaline junky; fortunately, I'm very easily frightened

View pmayer's profile


1028 posts in 3089 days

#2 posted 03-17-2013 10:44 AM

The belt replacement procedure is covered on page 21 here:

It’s not that difficult. The procedure shown requires flipping the saw but it can be done from underneath the saw as well if you don’t feel like flipping it.

-- PaulMayer,

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399 posts in 2006 days

#3 posted 03-17-2013 11:55 AM

The Delta 34-670 was the first table saw that I bought new quite a few years ago. I had to change the coged belt on it once because I ran it on a really cold day and it stripped the cogs off the belt. At the time the belt was about $10, and if I remember correctly changing it wasn’t as bad as I thought it was going to be.

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