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What's wrong with my saw?

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Forum topic by SirIrb posted 01-18-2015 03:25 AM 670 views 0 times favorited 10 replies Add to Favorites Watch
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SirIrb

1239 posts in 697 days


01-18-2015 03:25 AM

I have a mid to late 70s craftsman (which will be replaced soon) “cabinet” style table saw. If the blade is up and I tighten the belt, great. If I lower the blade the belt gets loose proportionally to the amount it dropped. This seems to be kinda new. I have totally cleaned and lubed it to no avail. Anyone else have this issue? I am thinking about loosening the motor screw and place compression springs behind the motor. Got a better fix?
Thanks.

-- Don't blame me, I voted for no one.


10 replies so far

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firefighterontheside

13518 posts in 1323 days


#1 posted 01-18-2015 03:32 AM

Is the belt worn to the point where it does not fit tightly in the pulleys and is now effectively longer?

-- Bill M. "People change, walnut doesn't" by Gene.

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SirIrb

1239 posts in 697 days


#2 posted 01-18-2015 03:34 AM

It was. Then I got a new one. Still have the same problem.

-- Don't blame me, I voted for no one.

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DIYaholic

19180 posts in 2141 days


#3 posted 01-18-2015 03:46 AM

If you could post the model number and/or pictures….
It would help people to diagnose the problem.

-- Randy-- I may not be good...but I am slow! If good things come to those who wait.... Why is procrastination a bad thing?

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SirIrb

1239 posts in 697 days


#4 posted 01-18-2015 03:49 AM

I’ll do that in the morning. Thanks. It has to be a simple problem. Also it is quite stiff when I try to raise/lower or angle the blade, if that helps.

-- Don't blame me, I voted for no one.

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MrUnix

4241 posts in 1665 days


#5 posted 01-18-2015 03:53 AM

When was the last time you got up under the hood and gave things a good cleaning/lube? Sounds like it just needs a little routine maintenance.

Cheers,
Brad

-- Brad in FL - To be old and wise, you must first be young and stupid

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SirIrb

1239 posts in 697 days


#6 posted 01-18-2015 04:05 AM

I lubed it today. Made sure to really get the lead screws. Still, it’s like the motor should translate with the movement of the blade but it doesnt. Mechanically that doesn’t make sense since the motor is stationary. Should I tighten the belt with the blade dropped and let it get tighter as it raises? That, to me, could stall the motor. Can’t wait to get that 1960’s unisaw in. I’ll use this craftsman as an anchor for the s.s. regret.

-- Don't blame me, I voted for no one.

View David_H's profile

David_H

90 posts in 784 days


#7 posted 01-18-2015 04:08 AM

To be clear because I was not aware that craftsman put out a cabinet style saw in the mid to late 70’s, does the motor hang out of the back like a contractor saw? If so then I would assume that the screw that the motor bracket pivots on is too tight and your motor is not raising and lowering with your blade? The motors weight is what provides tension to the belt, it will not stall out. Of course assuming your motor hangs out the back.

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SirIrb

1239 posts in 697 days


#8 posted 01-18-2015 04:14 AM

I called it cabinet only because it is enclosed. Most definitely not a cabine sawt. So I will assume I tightened the screw too much. Assume that the motor provides the resistance by its own weight. (Quietly wish I could delete this thread.) And go slap a wrench on that saw. And you, good sir, are a gent for putting up with morons. My excuse…I only worked on old powermatic saws and never had to touch a belt on one.
[He quietly exits stage left].

-- Don't blame me, I voted for no one.

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David_H

90 posts in 784 days


#9 posted 01-18-2015 04:20 AM

Lol, don’t worry about it, I made the same mistake once upon a time after purchasing my new to me craftsman contractor saw, I spent a good ten minutes wondering what was wrong with this hung of junk saw until it dawned on me… So yeah its a mistake you don’t make twice, and congrats on your impending cabinet saw.

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DIYaholic

19180 posts in 2141 days


#10 posted 01-18-2015 05:29 AM

Sounds like you’ve got it sorted out….

-- Randy-- I may not be good...but I am slow! If good things come to those who wait.... Why is procrastination a bad thing?

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