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AMF 82-70 Table Shaft shifted


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  • AMF 82-70 Table Shaft shifted

    HEllo AMF techs...
    We have a machine here where the table shaft has shifted right about 1/2 inch. This causes the table drive to bind against the respot cam.

    What causes the shaft to move? The gearbox or bad bearings? How can we get it back into place without dismantling the entire table drive?

    Thanks in advance...

  • #2
    Try the gearbox first, if not it all needs to come out. Bearings are bad, replace the table shaft while you're at it.


    • #3
      On the table shafts' support bearing there is a locking collar. That collar is what holds the table shaft in place. The locking collars' set screw has probably loosened up allowing the table shaft to slide to one side.
      There! Try to NOT work now!


      • #4
        Locking collar more than likely came loose


        • #5
          I agree the locking collar on the shaft bearing got loose.

          To fix it you'lll need to take all the pressure off the shaft. Disconnecting the table at the clevis (after setting it on blocks) and removing the springs off the spot and respot arms.

          Once you get all the pressure off rotate the shaft until you can get access to the set screw on the lock collar and the indent in the collar that you can fit a pin punch into to rotate the collar using a hammer to tap on the punch.. . The collar locks by rotating it in the same direction as the shaft normally does until it can't anymore. Then tighten the set screw..
          -- Larry


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