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Southbend 13" Backgear

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  • Southbend 13" Backgear

    Hello all,

    I need some help with my lathe. I am using this in backgear to turn some 8" dia wheels for a project, so I am at the lowest speed the lathe will go using HSS cutters. The problem is that the backgear lever will lift out of place and disengage the backgear drive. It does not take much effert to hold it in place but will slowly work out. I am currently using a wire tied to handle with a pair of locking pliers as a weight. This will happen at any of the three speeds and is worse with heavy cuts. My question is there a detent that may be missing or some other way of holding in place?

    Thanks for you help,
    Bill
    Bill
    www.corbinscustomdesign.com
    www.ledwaterfx.com

  • #2
    Look behind the casting that holes the back gear shaft with the gears on each end . One end has a set screw to position how much it engages and the other end has a set screw that applies tension to it . Fiddle with them till it stays put.
    Every Mans Work Is A Portrait of Him Self
    http://sites.google.com/site/machinistsite/TWO-BUDDIES
    http://s178.photobucket.com/user/lan...?sort=3&page=1

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    • #3
      Originally posted by lane View Post
      Look behind the casting that holes the back gear shaft with the gears on each end . One end has a set screw to position how much it engages and the other end has a set screw that applies tension to it . Fiddle with them till it stays put.
      I found the two square head screws and the one closest to the chuck was loose and appears to press on the split coller bearing support. Upon tightening it appears to have resolved the problem.

      Thanks Lane
      Bill
      www.corbinscustomdesign.com
      www.ledwaterfx.com

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