Dual Tire Question

Discussion in 'Questions From New Drivers' started by TheShadow, Sep 14, 2012.

  1. Sep 14, 2012 #1
    TheShadow

    TheShadow Light Load Member

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    Aug 20, 2012
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    Dear TR Forum,

    Whenever I look at the outer tire on a set of dual tires on tractor-trailers I only see one tire stem to gauge air pressure with. How does the industry measure the air pressure in the hidden inner tire please?
    screwing-cows.jpg
    Sincerely,

    Shadow.
     
    TheShadow, Sep 14, 2012
    TheShadow, Sep 14, 2012
    #1
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  3. Sep 14, 2012 #2
    Bikerboy

    Bikerboy Light Load Member

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    look close, there is always two valve stems.
     
    Bikerboy, Sep 14, 2012
    Bikerboy, Sep 14, 2012
    #2
    TheShadow Thanks this.
  4. Sep 14, 2012 #3
    GasHauler

    GasHauler Master FMCSA Interpreter

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    Vegas/Jersey
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    If not then the tire is mounted wrong.
     
    GasHauler, Sep 14, 2012
    GasHauler, Sep 14, 2012
    #3
    TheShadow Thanks this.
  5. Sep 14, 2012 #4
    wis bang

    wis bang Road Train Member

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    mirror image the other stem faces in a different direction.
     
    wis bang, Sep 14, 2012
    wis bang, Sep 14, 2012
    #4
    TheShadow Thanks this.
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