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Adjusting lift spring tension

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  • Adjusting lift spring tension

    I have a lift on the floor right now, just installed a new belt and shock. The spring measures 4 5/8", so I was thinking I'd tighten it. Does this require a specialty tool? I don't have a set of spring compressors small enough to fit on here and then spin the retainer. How's it done? Thanks, guys!

    Toby
    82-70B, Stepper chassis
    www.mooseexchange.org

  • #2
    you will need a wrench like this. It is called a spanner wrench and you can get it from AMF. I do not have the part number right now. My lifts work best between 4" and 4 1/8"
    Sometimes we have to do stuff to get by....Just go back and do it right when the "by" has passed!!

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    • #3
      until you get one, you can also just use a pipe wrench, or if your really dedicated, Hammer and Screwdriver.

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      • #4
        grainger also carries the spanner wrenches.
        When you know what to do, everything is easy.

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        • #5
          Spanner wrench =



          Hammer and screwdriver will work but it's =


          To make it easier, see if you can turn the adjusting nut down a little more with the belt off, that way when the belt is back on you won't have to adjust it as much to add tension to the spring. This of course can make it more difficult to get the belt back on though. If you have the black rubber belt it will be more difficult, but if you are lucky and happen to have the awesome grey belt on it, it will be way easy.

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          • #6
            Yikes! I'll have to get one of those spanner wrenches. Always a pleasure to buy tools. For today I had to put the lift back in with the spring tension as-is, so hopefully it doesn't throw the belt this weekend. This lift was really giving me a lot of trouble. TJ, one of these days I'm gonna fix that jerky table! You'll be the first to know.

            Thanks!
            Toby
            82-70B, Stepper chassis
            www.mooseexchange.org

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            • #7
              Large channel-lock pliers works fine. Anything that can hook the knotch and turn the nut.

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              • #8
                Put some 3 and 1 oil on the threads and let it sit for 5 min it will make them so easy to turn.

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                • #9
                  793511045 Wrench Spanner
                  Regards,

                  Billy T
                  bthompson@qubicaamf.us

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                  • #10
                    Old School



                    4 1/2 collar to collar
                    If at first you don't succeed, try, try, again. Then quit. There's no use being a damn fool about it." -W.C.Fields

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                    • #11
                      Probably not a lot of help to you guys over there, but Bowling Vision in the UK produce an oversized nut to replace the retainer along with a spanner to tighten it. A lot easier to adjust than the original even with the belt and everything on. I'll see if I can dig a photo up for it.

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                      • #12
                        Originally posted by felix View Post


                        4 1/2 collar to collar
                        4" with PBL and Humpback

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                        • #13
                          Originally posted by 8270king View Post
                          4" with PBL and Humpback
                          That's Odd, I have PBL's and No Humpty Dumpty's set at 4 and 1/2".

                          You should be able to run less spring tension. Tiz no wonder you wear them
                          camel humps off!
                          Last edited by felix; 05-26-2012, 10:51 AM.
                          If at first you don't succeed, try, try, again. Then quit. There's no use being a damn fool about it." -W.C.Fields

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                          • #14
                            I measure the spring using the cup gauge. Three guesses how long that is and the first two dont count

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                            • #15
                              4&1/4
                              If at first you don't succeed, try, try, again. Then quit. There's no use being a damn fool about it." -W.C.Fields

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