Like so many people before me, I'm rehabbing my Grandpa's early 80's Craftsman 113 table saw. I've taken all the usual steps: PALS, link belt, new pulleys, and I've even picked up a new fence for it.
The problem is, after I align the blade and lock everything down tight, if I raise or lower the blade, the subtlest change in tension on the belt pulls blade significantly out of alignment. If I move the motor at all, that changes the alignment. If I grab the arbor shaft, and pull hard, there actually isn't a lot of play side to side, but I can measure a good bit of play up and down. Does this mean the saw needs new bearings, or is it something worse? The bearings aren't silent when I spin the blade, but there's not a lot of noise, either. I don't have a lot of experience with bearings, so you'll have to forgive me.
I'm not looking forward to changing the bearings, but if that will get this thing going, I guess I'll have to do it. If there's a bigger problem going on, I need to know so I stop throwing good money (and time) after bad.
The problem is, after I align the blade and lock everything down tight, if I raise or lower the blade, the subtlest change in tension on the belt pulls blade significantly out of alignment. If I move the motor at all, that changes the alignment. If I grab the arbor shaft, and pull hard, there actually isn't a lot of play side to side, but I can measure a good bit of play up and down. Does this mean the saw needs new bearings, or is it something worse? The bearings aren't silent when I spin the blade, but there's not a lot of noise, either. I don't have a lot of experience with bearings, so you'll have to forgive me.
I'm not looking forward to changing the bearings, but if that will get this thing going, I guess I'll have to do it. If there's a bigger problem going on, I need to know so I stop throwing good money (and time) after bad.
Belt tension pulling blade out of alignment on my Craftsman 113 - why?
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