Air Brake Test - School Bus
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- Опубликовано: 22 ноя 2024
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This is for training purposes only! I make no guarantee that you'll pass your test just from watching this!
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Couple tips for your CDL pre-trip and air brake test. Most importantly, if you fail to perform the brake test, or mess it up, it's an automatic fail. Some testers (maybe all, but at least the two that I've had) may not even mention that you need to do it. In fact, the last one that I had wouldn't even explicitly say "yes" when I asked if he wanted me to test the brakes. He said "well do you think you should?"
The air brake test is not hard, and makes sense once you understand it. You MUST commit this to memory, and be able to perform it without fail at a moment's notice!
I am going to watch this a good 12 times in prep. Thank you so much for not just talking use through it but showing us the dashboard straight on
Yes ma’am. Bus driver training is very much a visual learning game. Good luck on your test!
My test in NY is on 4/22/22 definitely doing to be rewatching this more than once
@@roxfire23 you working as a bus driver now?
Did you pass your test?
@@raminbaghirov9998 yes and passed the road test the first time
I just got my permit on September,18,2023 now on to the next part WELL DONE on this video
My test is tomorrow!!! If it wasn’t for this video I wouldn’t be hopeful. Now I’m confident & really excited!!! Thank you so much!!!! You saved me from so much test anxiety & you saved the day
Good luck!
@@TomBrueggen hey tom I just got my permit. What's the best way to study for when I go to the dmv for full inspection inside & out I'm so nervous and anxiety is killing me
it sounds ridiculous but you need to go “talk to the bus”. Go work on your pretrip process, but don’t just have the paper and say it in your head. Say out loud everything you’re doing, and touch each component, just like you’ll have to do for the officer the day you test. Do this until you can do it and recite it with your eyes closed! Then when test day comes you’ll be confident and smooth! Everyone I ever trained that said “I know this already” failed their first go at the pretrip test. Rehearse rehearse rehearse! You only have to nail this test one time, so pour yourself into it and own it! Then never give up that license!
D..di.. did you get it?
Hadouuuken
Tom thank you! Did road test this morning and didn't do this portion correctly. Again thanks for making it plain and simple.😊
Good luck on the next go ‘round! You got this!!
YOU GOT THIS!!! Good Luck!!!
Thank you so much for this! Reading how to do it and actually doing it makes all the difference in the world for me.
Actually doing it is huge!!! If you’re training to drive a bus there is no such thing as too much practice!
@@TomBrueggen I did it sir, I just passed! Boy was I a ball of nerves lol. I can't thank you enough and I hope you truly know how much you've helped people. Greetings from NC!
@@Lana-xf1qw congratulations I'm only 16 though but when I turn 20 I will be becoming a bus driver
@@Slaterinshades awww thank you sweetheart, that's awesome you're working towards a goal!
Ty so much!!
Not sure when you got your CDL, but I’m about to take my test Wednesday. They taught us:
1. Parking brake bleed test-you release it and watch it for a few seconds, not 60. 60 seconds is the service brake bleed (same as you did).
2. Parking brake hold test-you get the RPMs up to between 1100 and 1200 to show that it holds.
3. Service brake test-get up to 5 mph and press the brake. No need to “stomp,” just come to a smooth stop, demonstrate that it doesn’t sway and stops completely. Also, never heard about taking your hands off the wheel. In fact, we’re told to keep both on the wheel at all times.
Not calling you out for being wrong, just saying this is how I’m being taught right now. Everything else is the same as you said, and they’re just minor differences.
I’m in Texas. It may vary a bit state to state but generally it’s the same. I was taught 60 seconds each and that’s how we are still training it. Doesn’t hurt to hold it longer right?
I can see the logic in NOT taking the hands off the wheel, but could argue either way I guess. Given this is for test purposes only, you’d never take your hands off the wheel while driving. It proves to the office that your bus is road worthy and you aren’t fighting a bad brake
Either way, good luck on your test! There is always some latitude, so you may offer to the DPS officer that you have conflicting info, and ask them if they’d recommend you take your hands off the wheel or leave them on. Normally they can’t tell you one way or the other, so as long as you tell them what you are going to do and why, it should be ok either way.
@@TomBrueggen True. It's a bit different in New York, but, pretty much the same!
In NM here and we are just about the same as the video, thanks very helpful!
@@TomBrueggen Hey there Tom. Not sure why, but I never got a notification that you replied and couldn’t find the video again to comment.
I ended up taking the test and passing, but it was like that. When I first started, one of the trainers was new and gave some wrong info. You do hold the for 60 seconds, as well as wait 60 when you release the parking brake.
Important info because not doing the air brakes test correctly is an automatic fail. Luckily, I had others that taught us the right way and I passed on the first go.
@@JakeNaughtFromStateFarm in the book you do the service brake leakdown test, then fan brakes for the warning light and buzzer to come on, then fan brakes till the parking brake engages. Failure to do these three things will result in an automatic failure.
Now having said that if you miss the post parking brake disengagement leakdown test, is that automatic failure or is it really what the book looks for?
Great video!
I work with some School Buses here in East Tennessee. I just washed a 2016 Thomas C2 for a Driver recently.
Get that CDL and join us drivers bud! 😁
Thanks for watching!
@@TomBrueggen I plan to. I'm a Freshman in High School. Thats my goal to drive a school bus cause it's only part time. Then work at the post office.
Thanks man I was nervous about this part of the test. You explained it perfectly and it seems simple now. Thank you 🙏
Good luck! Pressure down and pressure up!
Thank you for the video. You did a great job. Keep on training people.
I still am. Unofficially. 😁
Those new Thomas buses are sweeeeet. First time I got in one to bring it to the shop, I fired it up and the speakers were boomin. Sounded like the driver was chauffeuring a bachelor/bachelorette party lol
Got my tunes jamming today. One kid hollered and asked why the radio was on. I said “because I liked it better than hearing him yell, so I’d prefer he be quiet so I could hear it.” It worked for a minute or so. 🤣
@@TomBrueggen 😂🤣😂🤣
Cool that you drive a school bus. I did my Air Brakes certificate here in Canada a couple of years ago. You should have been wearing your cowboy boots for this video! They would look cool when you put your foot on the service brake pedal. Merry Christmas to you and your family!
The foot, er, boot fetish is strong in this one folks! 🤣.
Merry Christmas to you too! Thanks for supporting my channel!
Awesome Job!!! This helped me so much passing my air brake test. Thanks again!
Nice! Congratulations! Thanks for watching, please share!
Wow man this was really helpful, lot less complicated then actual book..
In Conn we do NOT roll and stall with hands off the wheel. they don't allow it. Also we MUST chock the wheels every test
Thank you so much for this. I will watch this several times.
Hi Tom, very clear demonstration of the brake test. Could you possibly prepare the same as a reading material so I could take it with me in the bus to perform the test?
Not sure what state you are in but in Texas you are not allowed to bring a cheat sheet. You have to memorize this!!!
Never saw the ABS light test, this omission would have been an automatic fail when I got my endorsement. Is this not required? We were taught to turn the key to run then the light would have come on for a few seconds and then gone out, now you've verified the ABS will work and you are ready to start the engine. And just as a general rule on these new computer controlled vehicles, you should turn the key to run and then wait a few seconds for the gauges to sweep and not just immediately turn the key to start as the new engine don't like this.
We were told we can identify the ABS during the safe start. But I’d rather get it out-of-the-way first thing.
You missed the governor cut in you start bus release spring brake and pump brake pedal 3 times and note governor cuts in between 80 and 105psi.
Not sure what state you are in, but in Texas we don’t have to demonstrate that. Proper function of the compressor is noted in the buildup test from 85-100 psi in less than 45 seconds. Hope that helps clear some confusion. Thanks for watching!
@@TomBrueggen well an air brake test is an air brake test if you are not checking everything how do you know it's working properly? I wouldn't want to get down the road and realise its not building pressure properly no matter what state I'm in
brian pugh right. So we do demonstrate that the compressor is working as I described. We start the test with a full system. Bleed it down to demonstrate all alarms and safety measures are working on the way down, until the spring brake pops. Then start the bus and watch it build back up, timing how fast it builds and also noting that it cuts out safely.
If I understand what you’re saying, you’re another step that is already covered. You’re staying to bleed down right away (with the bus running) until the compressor kicks in, then build up. Then kill the engine and do the bleed down again. You’re way is still fine, but from what I can tell it adds a step.
This works the same with the parking brake in place. Turn off the bus with parking Brake on place. Turn key to aux or on depending if it’s a Thomas or international. Press the brake and air pressure should hold. If bus is on or not. Then turn to on and bleed off. Until break pops. This tests depends on what bus your driving. And it won’t pop off if you idle high. Governor cuts in and stops the air compressor
We are instructed to do it with the bus off, to intentionally make the brake pop off and set. This is how you prove that it will auto set if you had an air loss emergency situation.
@@TomBrueggen international key has to be on. Not started. But in on position. Thomas’s are different
You should also show how to do the log at the same time!
Thank you Tom, this was super helpful.
Thanks for watching!
Got my test today, doing the gen knowledge, airbrake and combination test so wish me luck! :-)
Update: passed the three tests, now i have to study my class c today and take all tests tomorrow at the dmv. :)
Good luck! Keep plowing ahead!
No noise switch is for railroad tracks only, not for noise suppression at any other time
Shame it doesn’t work to quiet some rowdy kids sometimes 😁
Thank you for video! When we did the 2nd test with engine off, foot on break for 1 minute, we lost around 6 psi give or take. This means we have a leek in brakes right? Will it be safe to drive to mechanic? We figured we couldn’t fix that ourselves
Did you lose 6 when you first hit the pedal? But then it held? It’s ok to lose 6 when you first stomp the brake, but then it should stay steady during the 1 min count. Most buses require it’s worked on by a licensed mechanic and especially one licensed to work on air brake systems
Question; you mentioned the loss of no more than 2psi in a minute after disengaging the parking brake... If you fail to do this can you automatically fail pretrip? Because it's not mentioned in the book regarding the pretrip
Yes. You have to mention that you’re watching for no more than 2 psi drop and you have to demonstrate either with a count or a wrist watch that it is a full minute. If you don’t have a watch the instructor should and they may assist you if you ask them to time it. I counted out loud, just make sure to count slow. If you count too fast and say it’s a minute when it’s only been 55 seconds they can dock you. 3 psi drop for the service brake.
For our county we push in the emergency break and service break at the same time when settled then count 60 second.
👍🏼 up to you presentation it's VERY WILL DONE glad I found your channels 👏🏼👏🏼👏🏼😊
Thanks! Please share with others!!
Can you do one draining both tanks. They make us do that in San Diego
I’m not really sure. We don’t have to drain both tanks so honestly I’ve never done it
Question Sir. I'm getting ready for my test. You mentioned to release the parking brake. But my teacher had said you can't push in the parking brake if our foot isn't pushing the service brake. Is this true
I just got my class A a few months ago. Decided to get it to get away from that oil field life. At first I wanted to become a truck driver and I did it for a month but it wasn’t for me. I’m planning on becoming a Bus driver for a school in my city. Since I got my class A with tankers only as endorsement but not Passengers, can I go and just apply or do I get my passengers endorsement first then apply. Thanks
I don't recall the exact details, but I think you'll have to get passenger and school bus, and you'll have to re-test with a bus, regardless of your prior class A license. Good luck!
In Mass. you will fail if you use the service brake while the parking brake is engaged. Our busses all have a range inhibitor which prevents you from shifting into gear without putting your foot on the service brake. How do I shift into gear to test the parking brake?
You have to put your foot on the service brake to release the park brake in daily use. On the test you have your wheels chocked so the bus won’t roll, so you can release the park brake during the test. But when you go to out it in gear, to demonstrate that the park brake will hold against the transmission, then you have to depress the service brake to shift into gear. At this point you aren’t testing for leaks in the service brake system, so using the service brake as needed should be fine.
Best one I found so far
Nice! Please like and share!
VERY CLEAR IN HIS MEHOD OF TEACHING. THANKS FOR THIS VIDEO.😀
Glad it was helpful! Thanks for watching!
Very useful and educational. Thanks!
Happy to help. Please like sub me SHARE!
You can’t use the stopwatch on your phone for the one minute and 45 second count?
If you’re in Missouri or Kansas it won’t pass.
about to go take the permit test tomorrow they trying to tell me all these busses have "hydraulic brakes" but the guy legit just showed us a Air break test the other day and he said when the DMV question comes up what kind of breaks are these I said Air he said no these busses are hydraulic brakes, then we argued and he told me just hydraulic brakes he had no answer for my questions where are the The break fluid reservoir, he couldn't show me.
Thank you for the information it was helpful especially to chock the wheels because i forgot it
Good luck on your test!
Missed the cut in test around 90 PSI but overall decent video
Hi Tom, please can you make a video the steps to turn on the bus and off. I'm training and always I mixed up.
Please
I don’t recall that it’s too complicated. Sit in the seat, seatbelt on. Adjust seat and steering column. Ensure brake set and in neutral. Turn the key.
Thank you.
ok so when the air pressure blows off at 125 its not the brakes cutting out my friend. its the air gov shutting off the compressor. the blow off you hear is the air dryer blowing the trapped water out of it. the blow off has nothing to do with the brakes.
The one thing in this video that im missing is the governor kick in when you release the parking brakes tell the inspector you will fan down to 99 psi below 100 psi the governor should kick in can you explain if you did it & how did i miss it thanks
When you first start the test and you are bleeding down, the engine is off, so the governor cannot kick in to charge the air back up. Once you’ve bled until the park brake sets, then you start the bus and let it build up. We time how fast it builds from 85-100 psi. If that takes more than the allowable time (I think 45 seconds), then it’s a sign your compressor is weak. I like to let it go ahead and build all the way and note when the compressor kicks out.
So what you are saying is you would have to start the test with the air charged up and the bus running, then release the park brake and fan off until the compressor kicks on. That just demonstrates that it’s kicking in at the right limit. But doing the buildup like we did here essentially demonstrates the same thing.
Awesome video 😎
Thanks, happy to help!
I saw you cover the service brake too hard. I thought you can't depress service brake while parking break is on?
Not sure what you consider to be too hard on the brake. But when taking your brake test for your CDL you want to make it obvious you are pushing the brake, not just lightly tap it. Plus, when pumping down for the bleed off test, you’re trying to waste air anyway, so hammer down!
As for pressing the service brake while park brake is set...yes, every day! I’d sure hope you apply the service brake before releasing the parking brake. Now again, on the brake TEST, the first step is to chock your wheels so the bus won’t roll. Then hover over the service brake (but not on it) and release the park brake. You still want to hover your foot over the pedal just in case something crazy happens and the bus rolls, and you need to get on the service brake quickly. Hopefully this helps!
Is he saying bleed down or leak down ?
Hey there how did you know the governor kick in? Im always confusing when we gonna start the governor kick-in ..I’m a new bie trainee school bus
Governor kick in here just refers to the compressor engaging and running, observed merely by watching pressure build
Please know when this happens you dnt want that to happen when your doing the air brakes test
Where is the cut in test? Brake calibration.
We don’t do a cut in test. We just do the times buildup test from 85-100 psi to show the compressor is working fast enough
When do you put it on neutral?
Should it idle for pressure build up test from 85 PSI to 100 PSI? Or can I increase RPM?
Idle. You can rev it up to get to 85 but then need to let it build to 100 at idle
@@TomBrueggen Thank you for this information
excellent video!!
Thanks. I hope it helped!
I have a question lol what does that button to the right of the ignition. I had that light light up on my dash but nothing funny was going on I just wanna know why it lit up
That’s the switch to perform an active (parked) regen. It most likely got hit by mistake, but won’t work unless you’re parked. That would be why you didn’t notice anything happening.
We fan them brakes fast😂
May as well. No need to fan then slow 😁
Great video 🚌 Thank You
Ok what about the built in wigwag that drops at 90 psi ?
Only if you have a wigwag. This bus just had the alarm beeper that nags you when you get too low. But that’s around 60-65 psi. Not sure about an alarm at 90 psi.
@@TomBrueggen my companies buses have a built in wigwag and that drops at 90, and the the alarm sounds at 60, parking brake pops off at 30
You never take ur hand off the wheel that’s an automatic fail you have at least one hand on the wheel lightly and feel
For a jerking motion
I which you explain what part of the brake system we are testing for the 3psi in 1 minute
That's the service brakes. You hold steady pressure and it doesn't lose more than 3psi in a minute
And whatever you do DON'T TOUCH THE SERVICE BRAKE until AFTER your wheels are chocked, (EDIT: Engine off), bus in run and neutral, and you DISENGAGE the parking brake.. that's... Kinda how I failed my first test #Ope 🥴
Noticed you set your parking brake before you put it in neutral. That is correct. Automatic fail if you don’t. Seen a lot of drivers forget this and got to drive them back with a sad face all the way back to the bus barn.
Yes, always keep it in gear until the brake is set! Same for taking off from a stop. Put it in gear first, then release park brake.
Caution Use Cross View Mirrors To View Pedestrians While The Bus Is Stopped Do another Use These Mirrors To View Traffic While The Bus Is Moving. Images In These Windows Do Not Accurately Show Another Vehicles Location
Question if I have my CDL a what do I need to get to be able to drive the school bus is just a passenger endorsement?
You need a specific school bus endorsement (S) in addition to your passenger (P). Passenger only applies to things like city buses or greyhound for example. School bus has a whole different game because of the small children and things like use of your stop signs that Commerical busses don’t have. I trained a CDL A holder for school bus last fall. Unfortunately you do have to go through the whole pre-trip, and driving test again because the bus is so different.
1
You need endorsement
S.
excellente information thanks so much
Hope it helps you on your test!
When doing the parking break test, should I remove the chalks ?
Yes I believe so. You need to demonstrate that the brake will hold against the bus being in gear, and if the chocks are still set then those can provide resistance in addition to the park brake.
@@TomBrueggen thanks
What state is this for ?!?!
Texas. Should be pretty well the same for most.
Ok your methods are a tad bit different then mine. Here in San Antonio, TX I also made a video of we do it here.
What state is this for?
Texas
Most cell phones have a stop watch, count down time. Use them for one minute.
Indeed. I was told NOT to use my phone purely on principle of not using our phones at all while on the bus. I suppose if the testing officer doesn’t mind I wouldn’t either. Thanks for sharing!
Best video thank u
Dope video.
can you do a full pre-trip video
I suppose I could, but there are several already out there that you can reference. Is there something else in particular that you are not finding?
@@TomBrueggen could you make more bus videos
No cut in??
Is 2024 and every state is different and not only that every dmv is different its ridiculous.
Thanks 👍
Thanks for watching, hope it helps
Wennr u in neutral an when r u in park
Buses don’t have a “park” gear. But you start off with your wheels chocked (so you don’t roll), and the first thing you do after letting the air system pressure up, is release the parking break, so you can monitor that the air system isn’t leaking. So you are in neutral then and if not chocked you could roll. You’ll stay in N all the way through the bleed down until the brake automatically sets due to low air. Then it stays set through the buildup test and to pull against it in gear. Last thing is to be in gear, release the park break and roll forward slowly, then stab the service brake to show that the wheel doesn’t pull one way or the other.
Thank u I'm going in a bluebell steright truck its automatic
You got a 2016 bus for your route bus
Oh no....this is one of our fancy trip buses. We reserve it for training new drivers also. Fun game. Train in a nicer newer bus, then get assigned an older one for the route! Honestly I don’t know how old my route bus is. But I love the old girl anyway!
You need to do another video. The part where you said just kidding is because you messed up! When someone is watching your videos for a test they don't need any jokes. It's very stressful to do in the first place. I've been a school bus driver for 20+ years and I can tell you that "just kidding part" would have messed me up during testing time.
The just kidding around 7:35 is distracting.
Sorry that’s just a thing I do when I correct myself, like “haha just kidding!” I made this video totally on a whim one day so I didn’t have a script or anything, just doing the test from memory (while trying to film it 😁) I hope it wasn’t too confusing. At this point you are testing that the parking/emergency brake can hold against the transmission, so it makes sense that the parking brake needs to be set. In a true emergency with the bus driving down the road you can pull that brake and the bus will gently come to a stop and hold against the transmission still being in drive.
So basically 3 air brakes have to demonstrate
I’m not sure what you mean by 3. You gave you’re parking/emergency brake and your service brake. That’s only 2 systems. Maybe you’re saying testing the park brake against the trans is the 3rd? That’s not a third brake system, it’s just a second test of the e-brake function. In an emergency you can pull the e brake and it’ll bring the bud to safe stop even with the transmission in drive. That’s what you’re checking.
Yes you are right I am asking the same thankyou so much for your reply 😊👍🏼
Thanks 🙏🏼
Hope it helps! Thanks for watching!
Awesome 👌 👏
No
Forgot the first part 90 psi
Please explain. I’m not sure what you’re referring to and no one else has ever mentioned 90 psi as relevant to something.
3:19 love that soundd
I like the brake set better, the quick PSHHHH!! That SOB ain’t moving now!
Don’t Drive So Fast Just Drive Slower Gentle With The Brake And The Gas
Thanks
Welcome
👍
Awesome :)
Thanks for watching
👍🏽👍🏽👍🏽👍🏽👍🏽👍🏽👌🏽👌🏽👌🏽👌🏽
My instructor told me to chock my wheels even if I'm on level ground.
Yes absolutely. The point is to demonstrate that you know how to do it all step by step, even if you think one step may be situational, that step must still be demonstrated.
Funny thing is that they teach that for the test, but drivers don’t carry chocks to do it again. Honestly, 98% don’t even open the hood for their pre/post trip inspection, much less check the brakes.
No
What did I miss? I passed my test in Texas. Is your state different?
Thanks for the information very helpful
Gracias 😅
Good luck on your test!