CDL Questions

Discussion in 'Questions To Truckers From The General Public' started by m_hmdhn, Jun 17, 2020.

  1. m_hmdhn

    m_hmdhn Bobtail Member

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    Jun 17, 2020
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    Hello,
    I have been involved in an educational project based on CDL. I am not a truck driver nor do I own a truck. But since we are doing this educational project I have to do lots of research on trucks, parts, rules, inspection and etc. So I found this forum and thought I could give it a try, if I can able to find answers to my unanswered questions.

    So this would be my first question. It might sound very basic to you all haha but I simply cannot find references or any detail on the internet.

    1. Shut-off Valves - "Shut-off valves (also called cut-out ####s) are used in
    the service and supply air-lines at the back of trailers
    used to tow other trailers."

    Can anyone please provide references for this? and how it works...A video would be really helpful.

    Thank you
     
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  3. buddyd157

    buddyd157 Road Train Member

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    m_hmdhn Thanks this.
  4. m_hmdhn

    m_hmdhn Bobtail Member

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    Jun 17, 2020
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    Thank you for the reply. So shut-off valves and dummy glad hands are basically same thing?
     
  5. buddyd157

    buddyd157 Road Train Member

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    from where i worked at, dummy glad hand were used to cover up the glad hands on a trailer. this was to prevent any leaks, that got past the shut off valves.

    all they were, was glad hands with a cap on the end. any shop can put them together for the driver.
     
    m_hmdhn Thanks this.
  6. buddyd157

    buddyd157 Road Train Member

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    one type of dummy glad hand

    [​IMG]
     
  7. m_hmdhn

    m_hmdhn Bobtail Member

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    Jun 17, 2020
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    oh okay thank you very much :)
     
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