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Thread: Changing SEE Tires

  1. #11
    4 Star General The FLU farm's Avatar
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    Indeed, the trick when using ether is to already have an air hose ready. As you noticed, otherwise the tire often comes off again.
    It helps a bit to remove the Schrader valve, providing an air inlet.

    Removing the Schrader valve helps a lot when reseating or mounting tires, but requires an air chuck that operates without it, which most don't.
    Had I attempted to reseat that tire with the core still in valve stem, I'd likely still be out there trying.

  2. #12
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    Well I did a full tire swap today and the tools work as advertised. I did pick up a small accessory piece that they sell which guides the bead down in the depressed part of the rim. I only dismounted one tire and there is definitely a learning curve but took me about 45 minutes. I had already mounted a tire on a spare rim a month ago and my second one went a lot quicker. I don't have an air tank for seating beads so I did my version of the starting fluid trick. I have 2 more tires to do and expect the next two will go quicker. They warn you to let the tools do the work and its true technique is far more important.

    The sidewalls on the original Michelin's were toast so it was definitely time. I also tried out my new click torque wrench. Its definitely makes for reliable torque settings on the lugs.
    Unimog SEE, Unimog 1300L Ambulance

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  4. #13
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    Quote Originally Posted by peakbagger View Post
    Well I did a full tire swap today and the tools work as advertised.
    Feel up to making a youtube clip of the action?

  5. #14
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    I am not a video person. If you go to this link https://esco.net/video-gallery/ and scroll down through the videos and look for" Pneu-Tech tire dismount and mount" It covers the tools except for the optional tire wedge. https://esco.net/products/hd-bead-demounting-wedge/ and a beat breaker. https://esco.net/products/esco-manual-bead-breaker/.

    As for setting beads with starting fluid, plenty of videos on YouTube, here is a mild one. . Note they have a compressed air type bead sealer next to the tire so I expect this was the last resort. I want to stay much farther back so I use a piece of PVC conduit, and tape a bunch of match sticks to the end of the conduit. I then spray the inside of the tire. I then stand back well back, light the matches well away from the tire and then swing the matches to the space between the rim and tire in from the side. When the ether lights off, the conduit swings out away from the tire and I am out of the line of fire. Its important to add air immediately to the tire as the gases in the tire can cool and contract, pulling the bead off the tire. The process is definitely not OSHA approved.
    Last edited by peakbagger; 05-12-2019 at 06:55.
    Unimog SEE, Unimog 1300L Ambulance

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    this bead seating process has been used for along time. Just a few pointers

    Remove valve core

    Have clip on chuck

    Be very careful-more is not better. use a poll or sling the match

    Stay out of trajectory if tire comes off bead when you didn't follow more is not better

    we always put the forks tines on top

    Tire bead lube or grease is your friend

    On stubborn ones, we would rap a 5k ratchet strap around the diameter of the tire and tighten slightly

    then we finally got one of those infiltrators which puts air to the bead in volume at the time

    Most of all, tires can kill you, take the appropriate precautions
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  9. #16
    4 Star General The FLU farm's Avatar
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    Quote Originally Posted by peakbagger View Post
    When the ether lights off, the conduit swings out away from the tire and I am out of the line of fire.

    The process is definitely not OSHA approved.
    Don't bet on that you're in the safe zone, peakbagger. I've seen a tire and wheel combo (probably as heavy as a FLU's setup) go some 15 feet in the air and then land about 20 feet from where it was lit.

    While that was the most spectacular/educational one I've witnessed, there has been plenty of other situations. In retrospect they are all funny, seeing people getting their hats and sun glasses blown off, tires coming off the rim, etc., but any one of them could've easily ended badly.

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    Just saw the following trick on Benzworld:

    Get a bicycle inner tube that fits the rim (e.g. 20") lubricate it, shove it between tire and rim, and inflate it to fill the gap. Then, slightly inflate the tire and pull out the squished inner tube.
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  12. #18
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    They make solid soft rubber rings for the purpose, but I don't have a 20-inch.
    Bicycle tubes should work, thanks for the tip!

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    Now if I could get tube with stem facing out instead of in it would be really slick. I will definitely give it try.
    Unimog SEE, Unimog 1300L Ambulance

  14. #20
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    You could put a little "noose" on it, and try getting it out first.

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