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My hegner is chopping thru wood

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  • My hegner is chopping thru wood

    After a few years with my 22 inch hegner all of a sudden it seems to be chopping thru the wood not the normal smooth sailing. It almost seem like it stop and goes even though it is not slowing down and it is a lot noisery. I have changed all the clamps and do not see anything wrong with it. Sometimes it breaks the blade off at the top clamp. Any help would surely be welcome. No after this many years I did not start putting the blades in upside down.
    Starts
    11-13-2018
    Ends
    11-14-2018
    TomR

  • #2
    Sound like a worn or loose link, time for a CLA.
    https://www.etsy.com/shop/BeasleyTurnings
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    • #3
      Contact Advanced Machinery,Hegner dealer,New Castle Dealware.800-727-6553 Mon- Fri 10-3.Thet are extremely helpful.I have called them in the past and they told me what my problem was and how to fix it.

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      • #4
        Gary what is a CLA. Will I have contacted Advanced Machinery sorry to say but Hans died and so far no good answers.
        TomR

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        • #5
          There’s no one else to help you? That’s strange. I’m interested in this as I am having the same problem with blades breaking in the top holder. I replaced my tension bar last year after 16years and it worked great until lately so I’m not sure that is the problem. I use Pegas blades, what do you use? When it acts up, the lower part of the blade bends then it snaps. Using it today, will let you know how it goes.
          Betty

          "Congress needs to realize it is a government of the people, by the people and for the people. Not of the people, by the people and for Congress." - Dr. Benjamin Carson, Pediatric Neurosurgeon, Johns Hopkins Hospital

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          • #6
            Will I use mostly flying dutchman blades. Is it possible the bearing are going on the connector between the flywheel and th lower arm?
            TomR

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            • #7
              Originally posted by Rubsterwine View Post
              Gary what is a CLA. Will I have contacted Advanced Machinery sorry to say but Hans died and so far no good answers.
              Shorthand for Clean, Lube, Adjust. In your case it may also require new parts.
              https://www.etsy.com/shop/BeasleyTurnings
              Stabilized blanks and more

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              • #8
                Originally posted by will8989 View Post
                There’s no one else to help you? That’s strange. I’m interested in this as I am having the same problem with blades breaking in the top holder. I replaced my tension bar last year after 16years and it worked great until lately so I’m not sure that is the problem. I use Pegas blades, what do you use? When it acts up, the lower part of the blade bends then it snaps. Using it today, will let you know how it goes.
                The centering adjustment on the blade mount may have backed off and the blade is being pinched against one side when you tighten it. Get a flashlight and get a close look at it.
                https://www.etsy.com/shop/BeasleyTurnings
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                • #9
                  Did you go to the manufacturer site and looks at the parts diagram for your machine? You should locate the crank linkages and see if you have a blown out bearing in it.
                  https://www.etsy.com/shop/BeasleyTurnings
                  Stabilized blanks and more

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                  • #10
                    The Hegner is a fairly simple machine. Every couple of hours you need to put a drop or two of oil on the bushings. Mine is over 20 years old and smooth. Have you been oiling it?

                    you should be able to grab the arms and feel if there is any play and if they are moving correctly. Mine has no play in the arms.

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                    • #11
                      Check the thumb screw in the upper holder. On the end is a tiny screw that must be perfectly flat. If it’s not it won’t grab the blade properly. I replace mine every few years. The problem this time is with #5 blades. The bottom of the blade is not even and I believe that is my problem. The other pegas blades work fine as they are straight across
                      Attached Files
                      Betty

                      "Congress needs to realize it is a government of the people, by the people and for the people. Not of the people, by the people and for Congress." - Dr. Benjamin Carson, Pediatric Neurosurgeon, Johns Hopkins Hospital

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                      • #12
                        Thanks guys: The blade is not being pinched. I have parts list and diagram, the bearing on the crank linkage are sealed but I have on order a new linkage with bearings. Yes I oil the bushings every couple of weeks. I thought maybe the screws on the upper clamp might worn to much so I removed the two sets I have, made sure they were flat then reinstalled them in the clamps so they stick out just a hair. This is really getting to me as I pretty well understand the machine and it is easy to replace the parts that become worn but my cuttings are taking a beating and now the are not smooth but i end up with ridges as the saw chops along, the harder the wood the worse the cuts are, walnut, aromatic cedar,aspen all look good. Cherry and Oak are bad.
                        TomR

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                        • #13
                          I have no idea. Today my saw worked perfect, even the #5 blade. I did take a brush and brush between the springs then oiled and that’s all. I vacuum my saw every week and brush off the dust everyday. I cut approximately 6 hours today with no problem. Of course, when cleaning I told it I would replace it with a new machine if it acts up again. Maybe that was it.
                          Betty

                          "Congress needs to realize it is a government of the people, by the people and for the people. Not of the people, by the people and for Congress." - Dr. Benjamin Carson, Pediatric Neurosurgeon, Johns Hopkins Hospital

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                          • #14
                            The Pegas super skips are a real problem to clamp correctly with that little bump out at the ends. I've never seen this on any other blade, and wonder if it could be snapped off. I also wonder why it's made that way--no reason that I can see. The Modified Geometry look more normal.
                            Carole

                            Follow me on my blog: www.scrollsawbowls.blogspot.com

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                            • #15
                              Originally posted by Rubsterwine View Post
                              Thanks guys: The blade is not being pinched. I have parts list and diagram, the bearing on the crank linkage are sealed but I have on order a new linkage with bearings. Yes I oil the bushings every couple of weeks. I thought maybe the screws on the upper clamp might worn to much so I removed the two sets I have, made sure they were flat then reinstalled them in the clamps so they stick out just a hair. This is really getting to me as I pretty well understand the machine and it is easy to replace the parts that become worn but my cuttings are taking a beating and now the are not smooth but i end up with ridges as the saw chops along, the harder the wood the worse the cuts are, walnut, aromatic cedar,aspen all look good. Cherry and Oak are bad.
                              The ridges tell me the geometry of the arms is not holding square. You’ve tested the arms by torqueing them side to side havent you? If they are still tight something else is causing the blade to be out of square with the direction of the sawing action.
                              https://www.etsy.com/shop/BeasleyTurnings
                              Stabilized blanks and more

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