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Band Saw Problems
Bob; OK a light bulb just came on here. I had a Sears table saw long time ago that the "V" pulley would walk off the end of the arbor shaft. Turned out that the shaft was steel and the pulley was pot metal type soft casting. Over time the hole in the pulley wore its'self a bit bigger and the shaft remained the same size. The pulley did have a square key with a set screw pushing down on the squarw key to hold things in place. So I'm wondering if your bottom wheel is fastened to the shaft in the same manner as my belt pulley was, and maybe the hole thru the wheel has worked it'self a bit out of size? I replaced the pulley and things went fine. Frank.
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Band Saw Problems
Hardwood--
My band saw is of the same construction as yours of old. solid steel shaft, with a keyway on each end. Pulley (of "pot metal" quality) slides on shaft, you insert the square key, and tighten down the pulley in place using a set screw. Both pulley end and lower wheel end of the shaft use this arrangement.
Parts manual shows, on the pulley side and in this order starting from the outermost part, a 5/8 retaining ring, a spring washer, 1 11/16 internal retaining ring, and lastly, a ball bearing. I need to check to determine if the two retaining rings and the spring washer are intact. That may be the source of my problem.
Stay tuned, and I appreciate your sticking with me on this one.
b
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Band Saw Problems
About rubber cement, there's an old product made for kids to glue paper, called that because when they get it on their hands or in their hair, it balls up into what feels like rubber. You don't want that here. There are some sophisticated new adhesives that will lock a belt to a metal wheel, but I doubt they'd be known as rubber cement.
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Band Saw Problems
How about weatherstrip adhesive, like for car door gaskets?
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Band Saw Problems
Sounds like it should work well, but I'm not on top of adhesives, and as I said, there are some pretty special ones out now.
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Band Saw Problems
Kschumm, Earthwrks, Kthompson, Hardwood, Auerbach--
Success!!!
I removed the shaft from the lower wheel housing. I found all the pieces intact (External C clip, spring, interior C clip, etc.) but the external C clip that holds the shaft tight against the spring clip and face of the sleeve bearing had either slipped from its place in a groove on the shaft (doubtful), or (more likely) had never been seated fully in the groove when the C clip was installed, and had finnaly just worked its way down the shaft, allowing the shaft to ride 1/4 inch toward the operator, and pulling with it the pulley into the blade guard at the rear of the saw housing.
Since I never had reason to fiddle with the shaft in the twenty plus years that I have had the saw, I guess that my father-in-law, who owned the saw before me, was the guilty party for not installing the C clip fully. Easy to do--the groove on the shaft is quite thin, and the C clip is difficult to slide along the shaft--very tight fit.
Anyway, problem solved, and thanks to all who offered good advice.
b
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Bob, glad you got to the bottom of it and thanks for posting back. It's good to hear the "problem solved" posts.
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