When I change the blade on my TS I have always just snugged the nut and let the inertia of the blade tighten it up when I start the saw. I recently got a new 3HP saw and I have noticed some slipping. Lately I have been wedging a piece of wood behind the blade and tighten it firmly with the wrench. It is hard to do because the teeth don't bite into the wood and there isn't a good place to use for leverage. How do you guys do it ?
Check to see if there isn't 2 flat spots ground on the arbor flange that the blade rests against when you install it. If it's a Jet or Delta, you should find them. Take an open end wrench (of required size) and use that to hold the shaft while you use the blade wrench to tighten/loose the arbor nut.
I simply ordered a blade wrench ($6) from Jet when I got my cabinet saw. You may need to grind a standard open-end wrench to thin it down so it fits.
If it doesn't have the flat spots, make or purchase a blade lock
For every saw I've owned, I've never had a problem crafting a piece of hard wood that wedges between the blade teeth and the table top. You gotta use the same piece of wood every time! Looking for a scrap in the bin will drive you batty.
I've found that when you purchase a TS there are usually a couple wrenches provided with them. One to remove the blade nut and one to hold the arbor, usually about and eighth of an inch thick. Toss the one for the blade nut, and keep the arbor wrench. Now in your case look around where you would have put those cheap looking wrenches you got with all your powertools, one of them is probably the arbor wrench.
Piece of scrap wood wedged between the blade and table top. Be sure to hold the arbor nut wrench in a position that if it slips you don't rake your hand across all of the blade teeth. I torque the nut down "pretty tight", but I know that's not a very accurate value for you to compare with.
I've got a Robland X31 combination machine and the arbor shaft has a hole in it, the saw table has a hole in it that lines up with the hole in the shaft. Even comes with a a rounded end steel rod to fit the hole in the arbor. Why American manufacturers don't include the standard features of Euro machines is a real mystery. An easily removable and reinstallable riving knife should be standard equiptment. (I'll skip the American auto manufacturers rant except to say we'd still have carburators distributors, generators steering wheels that'd go through you on impact tons of chrome ladder frames leaf springs all drum brakes and rain gutters BUT WE'D HAVE FINS, BIG SWOOPY FINS AND BIGGGG V-8s!)
Wonder what Veritas could come up with if they designed a table saw - or a car?
Hey, I have an 'American Saw' and it has a two wrench blade tightening system. But sadly, no stock riving knife - I added one, however.
As for US cars, how about Ed Cole's baby, the Corvair (65 & later)?
4 wheel, 4 link independent suspension with coil springs, flat horizontally opposed 6 cylinder turbocharged engine - an alternator, really stiff unibody, split steering shaft, little to no chrome, and no fins.
People didn't want it - Ralph Nader killed it, even though by the time his book was published, they had redesigned it to eliminate the VW type swing-arm suspension. While easy to blame the manufacturers, they produce what is demanded of them - and what sells.
This explains all the wretched SUV's roaming the landscape of the USA that are equipped with... hmmm....
Huge bulbous bodies, big V-8s, lots of chrome, rain gutters, huge pompous grills, ladder frames, distributors (although electronic instead of points), leaf springs, and high centers of gravity. That is what the morons want.
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