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Balancing front steer tires

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by BALANCER CRAZY, May 26, 2022.

  1. May 26, 2022 #1
    BALANCER CRAZY

    BALANCER CRAZY Bobtail Member

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    May 26, 2022
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    I purchased a new spin balancer for balancing new steer tires before installing them. (11R22.5)
    I balanced 2 new Michelins on 2 new aluminum wheels rolled them off to the side and and 4 hours later when the truck showed up before installation I put them back on the machine to show the driver that they were balanced and ready to install or so I thought 1 wanted 3.75 oz more and the other wanted 4.25 oz to be balanced ? Has this happened to anyone before? After this happening I balanced 2 more tires and wheels rolled them to the side and reinstalled them back on the machine and each on was off anywhere from 4 to 5 oz . I recalibrated the machine and still had the same results . any help would be greatly appreciated.
     
    BALANCER CRAZY, May 26, 2022
    BALANCER CRAZY, May 26, 2022
    #1
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  3. May 26, 2022 #2
    SmallPackage

    SmallPackage Road Train Member

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    Dec 20, 2019
    Marion Texas
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    Yes. It’s because they are not being center coned correctly and were off centric when spun originally. (Sometimes the tolerance out is so slight that it is hard to see with eyeballs.) Very hard to do with the large assembly's. If off centric the first time when rechecking the second time If the wheel does not go back on the balancer in the exact same position it was balanced in it will be out of balance every time.
     
    SmallPackage, May 26, 2022
    SmallPackage, May 26, 2022
    #2
    God prefers Diesels, xsetra and blairandgretchen Thank this.
  4. May 26, 2022 #3
    SmallPackage

    SmallPackage Road Train Member

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    Dec 20, 2019
    Marion Texas
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    A couple tricks to do when coning is wiggle the assembly while slowly bringing the cone tight and rotating the the whole assembly backwards with the balancer shaft. This helps seat it.

    Also. After tightening it rotate the balancer by hand and look to see if centric. If not reset.

    Loosening the wingnut slightly to release total torque on cone and hitting the tire side wall in a half dozen different clock positions and then retighten is also another trick to seat.
     
    SmallPackage, May 26, 2022
    SmallPackage, May 26, 2022
    #3
    God prefers Diesels and blairandgretchen Thank this.
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