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Ball wheel belt centering problems


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  • Ball wheel belt centering problems

    Hey guys - I was wondering if anyone ever ran into something like this -- have a question about a few ball wheel belts on a few machines. After I adjust the ballwheel jackashaft pulley, and set the ball wheel idler arm pulley to center the ball wheel belt inside the lower grooved guide roller, the ball wheel belt rubs on the inner top 10 pin side guide roller and wears it down. All the guide roller flanges have plenty of material left (basically new). I know with the pinwheel there are small spacers which fit over the upper pinwheel guide roller mounting bolt between the mounting arm and the guide roller to properly set the pinwheel so it won't cut into the rear frame, and if you put the thicker one toward the rear of the upper PW guide roller the PW will cut into the frame, but there are no spacers to even accidentally put on wrong for the top ballwheel guide rollers. Has anyone ran into this problem of the belt being centered down below inside the grooved roller but rubbing the inner roller up top?
    Are the aluminum holding-arms for the ball and pinwheel top guide rollers made differently maybe?
    thanks for any help.

  • #2
    Re: Ball wheel belt centering problems

    I would try centering belt in between the RHS guide rollers with the jackshaft anf idler pulley, then center the belt between the bottom trunion, by shifting the double drive, for or aft as needed


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