[TheForge] 4x6 saw adjustment

[Peter Hirst]

Picked up a Chicago Power Tool 4x6 horizontal/vertical bandsaw really cheap, but of course without instructions. Replaced a couple of missing things, adjusted carriage alignment, got everything going except keeping the blade on the wheels. I understand that gravity and the torque on the blade are working to tend to pop the thing off, but there must be some opposite force keeping it on. All I could find is a set screw adjustment on the non-driving wheel, but when I set that the way it would seem to work (angling the far edge of the wheel slightly upwards, it made matters worse:the blade still wants to walk off the wheel. By sheer guess and by golly, I got it where it stayed put for a couple of cuts, but I have no idea how or why. What keeps the blade up on the wheels, and how do I adjust to keep it there? 
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