Question about Tools & Hardware - Others
I have an old craftman 4inch belt sander. When using it, the cord got caught in the sander and it seized the motor. I took it appart and I have diagnozed the problem to the blower since the unit works fine without the blower in place. The surface of the blower as well as the surface of the sander the area where the blower spins against the sander appears to be worn and there is hard plastic material that may have melted although I am not sure what this area should look like. I am not sure if there should have been a wear plate between the blower and the sander. Have you had any problems like the one mentioned. My unit model is Craftman 315.242900
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Posted on Jan 02, 2017
SOURCE: slipping belt
OK the belt tensioning mechanism is spring loaded. First what is the quality of the belts are they real flimsy or stiff. You say the rollers spin but my question does the rear roller still spin and the belt remain stationary. If so the rubber belt on motor is bad. I would take a look for excessive wear on the rear roller. Does the yoke mechanism snap forward or move slowly, look for a build up of sawdust in this area that might be restricting movement on the yoke. The wear plate in still good condition. One other thing on the belts are they directional? Do they have an arrow on the inside if so that has to point toward front of tool. I looked at a breakdown and could not see anything else to suggest. I never had this problem except with belts when I was at Makita.
Posted on Jan 19, 2009
I'm having the same issue with my hoover family 1300. Any ideas on that? would it be the same? mine is a front loader.
Posted on Jan 23, 2009
SOURCE: belt won't stay on belt sander
Check first that you have retensioned the belt... i.e. when you removed the other belt, you would have had to pull on a spring-loaded lever to remove the belt tension before you added the new one... make sure the tension lever is flipped back in to ensure the new belt is tensioned...
Next, and the likely problem you are having, is belt tracking... There should be an adjustment knob up near the front of the sander near the front roller, either on top of the front part of the sander, or to the side near the front roller... When you turn this knob, it makes the belt track either left or right over the sander's base. This knob will allow your belt to run square and true and not spin off to one side...You need to adjust the tracking using this knob while the belt sander is running and with the new belt tensioned and in place, so turn the sander upside down, and power it on with one hand, then turn the knob with the other hand whichever way is needed to have the belt track square and in the middle of the rollers. Make small adjustments on the tracking knob to begin with. They can be sensitive at times.
That should stop your belt spinning off to one side.
Posted on Mar 18, 2009
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