What is this?

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Coffey, May 16, 2020.

  1. Coffey

    Coffey Heavy Load Member

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    15896655750586434301461655208444.jpg

    No idea what this is
     
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  3. buddyd157

    buddyd157 Road Train Member

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    i see print on the knob, can't you?

    then read it, and tell us?
     
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  4. skellr

    skellr Road Train Member

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    Mmm, cab (outside floor) air vent. They put them in stupid places.

    Need to crawl under and trace it back.
     
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  5. Coffey

    Coffey Heavy Load Member

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    It look like it says pull recirc not sure

    IMG_20200516_174709.jpg
     
  6. buddyd157

    buddyd157 Road Train Member

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    it's a vent. pull it to recirculate the cab air, push it in the not circulate the cab air.

    many times, they just let in hot engine air. kinda a useless POS
     
  7. Coffey

    Coffey Heavy Load Member

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    Will look in to that
     
  8. Coffey

    Coffey Heavy Load Member

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    Ok
    Thanks
     
  9. Coffey

    Coffey Heavy Load Member

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    Since I got people here do anyone know how to properly install a fuel filter on a fuel pro 321 it upside down and I don't want to put it on wrongly
     
  10. buddyd157

    buddyd157 Road Train Member

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    not me, sorry, i never took to a wrench as a company driver.
     
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  11. Coffey

    Coffey Heavy Load Member

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    Guess I should make a new thread with that as the title to see if I can get some help can't find nothing on YouTube about it to old I guess found out it was made in the 80-90 or something like that
     
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