Failed my in-cab today. Can't figure out why...

Discussion in 'Questions From New Drivers' started by VinnyVincent, Jan 16, 2019.

  1. BIGLEFTYINTX

    BIGLEFTYINTX Light Load Member

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    Nov 20, 2017
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    Read my sheet i sent you
    Governor cut in 100 , governor cut out 125
     
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  3. BIGLEFTYINTX

    BIGLEFTYINTX Light Load Member

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    Nov 20, 2017
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  4. BUMBACLADWAR

    BUMBACLADWAR Road Train Member

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    Kinda Weird deal.Did you have your seat belt on?
     
  5. Twistin' throttles

    Twistin' throttles Light Load Member

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    May 23, 2018
    Bakersfield, Ca.
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    Ok, I just tested Jan. 11th, and passed. This is in Commiefornia, so don't know how much applies to Texas.

    Tell the tester you are going to do your four point brake inspection, or COLAS test. In order to do this test I need to have my air tanks fully loaded. Start your truck and build air pressure until you hear the "sneeze". Tell the tester what psi your needle stabilized at. Not "about", say an exact number.

    Turn your truck off, turn the key on "accessories", put the tractor in gear, then push in your tractor and trailer brake valves. Now say, I am going to do my apply pressure test, and in this test I should lose no more than 4 psi in one minute. let everything stabilize, then push down the service brake firmly and wait for it to stabilize again, then start timing your minute. After one minute, say " my minute is up and I lost no more than 4 psi. Don't volunteer more than you need too. If you lost more, don't lie, they may let you start over!

    Then tell the tester, now I am going to do my low air warning light test, and it should come on between 55 and 75 psi. Push the service brake repeatedly until it comes on, give an exact pressure, and state it was within range.

    Now say, I am going to do my tractor and trailer pop out test, and they should pop out between 20 to 45 psi. push the service brake until they pop out, give an exact pressure they popped out at, and they were in range.

    Now say I'm going to do my governor cut out test, and it should cut out at no more than 140 psi. Start the truck again, put it in neutral, let the air tanks load up again. When you hear the "sneeze" and your needle has stabilized, give an exact pressure, and say it is within range.

    Then say I'm going to do my governor cut in test, and it should cut in at no less than 100 psi. Push the service brake firmly, then wait about 50 seconds to a minute watching your needle. If it's still dropping, give the brake another little tap and wait again. once the needle starts rising, the governor cut in, give an exact pressure, and say it was within range.

    Then do your tug test for tractor, trailer brakes, then rolling test for the service brake.

    Hope this helps you out, but this is Commiefornia standards like I said. And there's no time limit on this crap, go slow, stop and breathe, gather your thoughts if you need to. I was nervous as all hell, but didn't lose any points on anything as far as I know. Good luck next time brother!
     
  6. SidewaysBentHalo

    SidewaysBentHalo Medium Load Member

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    When you first started the post it was all about the instructors fault and being to lazy to set cones up in the rain and supposedly being distracted on her phone.

    At least your starting to own up to the slip up. Crap happens. Nerves, inexperience or whatever let it go and get a concrete routine for it so that way next time you wont have to ask. Unless its over the next portion on backing..... lol
     
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  7. Twistin' throttles

    Twistin' throttles Light Load Member

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    May 23, 2018
    Bakersfield, Ca.
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    YES!!!!!!!!!!! Remember the #### seat belts anytime your ### hits that seat!
     
    BUMBACLADWAR Thanks this.
  8. UturnGirl

    UturnGirl Road Train Member

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    You are over thinking this one examiner. I'm of the opinion you simply weren't confident in your prep. Go through the steps over and over like an actor rehearsing a play and grind through it like a robot. Stop fretting. You will set yourself up to fail if you don't Chillax. Look at all us mutts out here. We did it...
     
    gentleroger and VinnyVincent Thank this.
  9. VinnyVincent

    VinnyVincent Light Load Member

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    Sep 30, 2018
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    Thanks Lefty. I was studying both the papers you sent and the videos on YouTube. Guess I should have focused more on yours. The videos never mention the 100psi cut in and I forgot about that part from your list.
    I'll be sure to test both the cut-in and cut-out next time.
    If the freaking lady would have told me why I failed I wouldn't have to be second guessing her reasoning for failing me.
     
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