Taking driving test today. Want to double check air brake psi

Discussion in 'Trucking Schools and CDL Training Forum' started by dasitmane, Mar 24, 2012.

  1. dasitmane

    dasitmane Bobtail Member

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    Feb 26, 2012
    Utah
    0
    I'm in utah. Cut out no higher than 130 cut in no lower than 85. Low pressure warning after 75 and before 55. No more than 4 psi loss in 1 minute. Correct?

    Don't have my book on me right now to check.
     
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  3. Jynxx

    Jynxx Medium Load Member

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    Mar 16, 2011
    Cheyenne, Wyoming
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    Low pressure warning after 60psi. No more than 4 psi in 1 minute.
     
  4. dasitmane

    dasitmane Bobtail Member

    36
    0
    Feb 26, 2012
    Utah
    0
    Thanks. And thats specifically utah right?
     
  5. Jynxx

    Jynxx Medium Load Member

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    Mar 16, 2011
    Cheyenne, Wyoming
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    Yes that is specific to Utah as well as most all other states. Verbiage may vary but yes that is correct. Good luck on your tests!
     
  6. dasitmane

    dasitmane Bobtail Member

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    Feb 26, 2012
    Utah
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    Thanks for the info!
     
  7. Jynxx

    Jynxx Medium Load Member

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    Mar 16, 2011
    Cheyenne, Wyoming
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    You are very welcome.
     
  8. dasitmane

    dasitmane Bobtail Member

    36
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    Feb 26, 2012
    Utah
    0
    Oh below 60 but above what? Out is out just below 60? Also, temp 170 to 200 and oil 30 to 70 right?
     
  9. Jynxx

    Jynxx Medium Load Member

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    Mar 16, 2011
    Cheyenne, Wyoming
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    You got it! Bellow 60 and above 130. Temp varies depending on vehicle. Oil is correct. Main thing to remember is the air pressure. Warning then when brakes engage.
     
  10. dasitmane

    dasitmane Bobtail Member

    36
    0
    Feb 26, 2012
    Utah
    0
    When should the brakes engage?

    ok let me line all this up one more time to make perfect sure, i dont wanna fail this part for the obvious reason that I will not pass lol.

    Cut out: 130
    Cut in: 85
    Warning Lights: Before 60, nothing specified for after a certain psi
    Brakes engage: 20 - 45 psi (Vehicle specification)
     
    Last edited: Mar 24, 2012
  11. Jynxx

    Jynxx Medium Load Member

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    Mar 16, 2011
    Cheyenne, Wyoming
    0
    Do do tell us how it went?
     
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