Basic CDL Air Brake Components

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CHAPTERS:
0:00 Basic Air Brake Systems
1:11 Schematic Air Brake System
1:28 Air Compressor
2:01 Governor
2:38 Maximum Air Pressure
2:57 Air Tanks (Reservoirs)
3:24 Safety Valve (150psi)
4:02 Drain Valves
4:45 Air Lines
4:51 Brake Pedal (Service Brakes)
5:31 Foundations Brakes
6:40 Wedge Brakes
7:18 Review Questions
7:28 Air Brake Fundamental Components
7:47 Purpose of Governor
8:20 Failsafe - Air Tanks
8:44 Drain Valves - Purpose
9:11 Safety Valve Sound
9:49 Question for Smart Driver
There are 6 basic components on an air brake equipped vehicle:
1) compressor;
2) governor;
3) air tanks;
4) air lines;
5) brake pedal;
6) foundation brakes.
The air compressor on an air brake equipped vehicle is exactly the same as an air compressor you would find in a garage. The only difference is that an air compressor on an air brake equipped vehicle runs the entire time the motor is running; therefore, it is controlled by the governor.
The governor controls the maximum and minimum setting of the air compressor because the air compressor is capable of pumping up to 500psi (pounds per square inch). The governor must return the air compressor to the load or cut-in phase by a minimum of 80psi. And it must return the air compressor to the cut-out or unload phase by a maximum pressure of 135psi.
All air brake systems are equipped with a safety valve, which blows off excess pressure at 150psi. You will know it is the safety valve because it makes a sound like a machine gun.
The air tanks or reservoirs store compressed air.
As well, the air tanks are the first fail-safe of the air brake system because these store enough compressed air for 10-12 full service brake applications.
The air lines direct compressed air through the air brake system. The air lines are not coloured coded except the service and supply lines that connect the semi-trailer to the tractor or truck.
The brake pedal applies the service brakes, which are the brakes that bring the vehicle to a stop while it's going up and down the road.
And the foundation brakes are the components of the air brake system that are actually responsible for bringing the vehicle to a stop:
• brake chambers
• push rod
• slack adjuster
• 'S' cam
• brake shoes (pads)
• brake drum
• rotor
• callipers
And the foundation brakes can be any of the following; however, drum and disc brakes are most common on today's vehicles:
• drum ('S' cam) brakes
• disc brakes
• wedge brakes
• CamLaster brakes
• air-over-hydraulic brakes
The foundation brakes-in this day & age-will be 2 basic types: drum or disc brakes. Foundation brakes also consist of air-over-hydraulic and wedge brakes - you will need to know the latter for the purposes of the air brake knowledge test.
Good luck on your road test!
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[@lurchsteffenson275]

Currently taking my air brakes course, test tomorrow. Still not sure i understand it based on my instructor, so just looking at another way of explanation. Maybe ill pass tomorrow, already learned a few things that i wasn't sure what the instructor was getting at. Thank you.

[@smartdrivetest]

Hi @lurchsteffenson275 - You're going to do awesome. Good luck on your test! Be sure to let us know how it goes. All the best, Cheers Rick

[@lurchsteffenson275]

Passed! Thanks a lot for the extra information!

[@smartdrivetest]

Hi @lurchsteffenson275 - You did it! Massive well done on this massive achievement. That is *_TERRIFIC_* news! Would you stop over at Smart Drive Test, register your success and enter the draw for the $100 Fuel Card - www.smartdrivetest.com/contact/donation Thank you for letting us know. I'm sure you are having a huge celebration, and it is well deserved owing to your study & practice. All the best, Cheers Rick 🏎 PS - where did you go for your first solo trip to celebrate? See this vid too my friend: kzbin.info/www/bejne/aGLLc31qbtiLY9U

[@apwang2436]

This is a rare no BS video. That’s why one million viewers.

[@smartdrivetest]

Thank you my friend. Happy to hear we could help out. All the best, Cheers Rick

[@rowgun5212]

I drive a logging truck and its important to get back to basics every once in a while because memory fades with time and your video does a good job of that.

[@smartdrivetest]

Hi row gun - thank you for your comment and praise. It is nice to see drivers pursuing their own professional development; it dispels the myth that truck drivers are dullards. All the best, Cheers Rick

[@blkknight1698]

Big facts.

[@francisprevel1]

It does fade but the eventually if you constantly do it, it will be nearly impossible to forget.

[@andrewlawson3798]

Currently in school for heavy duty mechanics, just getting into air systems and also did my first brake job inspection plus hub seal today but still don’t understand how it all works but you explained this a lot better than my teacher could, I understand the system a bit better now so thanks for your help 👍🏼

[@dn8533]

I started working as a truck and transportation mechanic helper few days ago and I have already learnt alot seeing how things get fixed before my eyes. And watching videos helping a lot too. Hands on learning and studying theory from vids I am already ahead of the game lol.I am planning to work required hours and challenge my red seal instead of going to a tech school for 4 years .

[@pablotapia2346]

You guys have any other videos suggestions for apprentice??

[@samanthaschmidt2620]

Passed my test in the first try because of your videos. And only started the day before I took it.

[@smartdrivetest]

Hi Samantha Schmidt - that is a awesome news. Would you stop over at the Smart Drive Test and register your success with our 100K campaign - www.smartdrivetest.com/contact/donation Thank you for letting us know, and you are most welcome. We're happy to hear we could help out. I'm sure you had a huge celebration, and it is well deserved owing to your study & practice. If there is anything further we can do, drop us a note. Always happy to help. All the best, Cheers Rick 🏎 PS - where in the world did you pass your test and are you planning any road trips to celebrate?

[@herbertgoonew9935]

How’s trucking going now ??? Did you learn all the basics ? Yet

[@danielww9022]

It seems that trucking is one of those careers which requires a fairly decent understanding of mechanics in addition to driving.

[@smartdrivetest]

Hi Screw Hillary - Thank you for your comment. And yes, you need a basic understanding to ensure that the unit is working correctly and not a danger to the driving public. If there is anything further we can do, drop us a note. Always happy to help. All the best, Cheers Rick

[@madalomusic2097]

That's what I was thinking too. Sometimes I feel like I'm studying to be a mechanic looking at all this stuff.

[@zukoher]

@@madalomusic2097 Studying now and totally agree. Especially identifying engine parts and brakes. Thank God my grandfather made me change brake pads and watch him work on engines.

[@germanmeza5193]

If your stuck in the middle of nowhere, it’s in your best interest to know this stuff I guess. I feel the same way though.

[@Quantum-Bullet]

What about pilots?

[@kellymarquardt6888]

So helpful to see a diagram of the system. It was hard to study when I couldn't apply what I was learning in a practical way. thanks for the explanation and the questions after the explanation.

[@smartdrivetest]

Hi Kelly marquardt - Apologies for the late response. Thank you for your comment. And you are most welcome. If there is anything further we can do, drop us a note. Always happy to help. All the best, Cheers Rick

[@brandon123e4]

I don’t even drive a truck nor do I plan on doing so but I find the mechanics of them extremely interesting. Great video! Learned more than I’ll ever need to know!

[@timdavis7154]

This visual helped me see air brakes system from a different perspective. It helped alittle bit.

[@smartdrivetest]

Which aspect of the air brakes is causing you challenge my friend? Remember 3-2-1 - three reasons that the brakes apply (service, parking, emergency); two power sources (air and spring pressure); one brake at each wheel or set of wheels. Check out this resource: www.smartdrivetest.com/airbrakes-cdl-rv/air-brakes-explained-simply Drop us a note if we can help further, or you have questions. All the best, Cheers Rick

[@miloszsroka395]

Truly informative and to the point without the “fluff” Thanks for making my studying more enjoyable as a newcomer to trucking and air brake systems!

[@smartdrivetest]

Hi Milosz Sroka - you are most welcome my friend. Drop us a note if we can help further my friend. All the best, Cheers Rick

[@lindagee8915]

I'm having to take an air brake test to get a class b cdl. I wanted to thank you for explaining this. Its helped a lot to see all the components rather than just read about them. Do you have a more in depth video about the brake components where you actually show them from a real vehicle?

[@smartdrivetest]

Hi LindaGee89 - Thank you for your comment and query. And these videos will help too: kzbin.info/www/bejne/n53SZZeEepp4gtk And if you were looking the exact information you need to pass your CDL we currently have the Air Brake and Defensive Driving course on sale for $97 - another option: www.smartdrivetest.com/special-offer-air-brakes-defensive-driving If there is anything further we can do, drop us a note. Always happy to help. All the best, Cheers Rick

[@mbembalaye1]

I’m a French native speaker but honestly this is really made easy to understand even if I am totally new in this field. Thank you professor.

[@smartdrivetest]

Hi mbembalaye conte - And you are most welcome. We're happy to hear we could help out. If there is anything further we can do, drop us a note. Always happy to help. All the best, Cheers Rick

[@mistplaygames4046]

I know this was 5 years ago but thank you for explaining all of this. I understand the air brakes enough, it was very helpful to see it though because I'm more of a visual learner. And you explained some of the things like the governor better than I did in my own head. I just figured a normal governor controls what happens and since it's an air governor it controls how much air goes in. Thank you! Im taking all my tests today!

[@smartdrivetest]

Good luck on your test today. You’re going to do awesome. All the best, Cheers Rick

[@dallas454]

Thanks so much Rick! After five years I had to go do my written tests again. I failed the first time but came home. Studied for a week, watched allot of your videos and you really really helped me remember and learn again the technical things. Thankyou for doing your videos and they really really do help alot and work. Thankyou for everything you do. -Dylan

[@smartdrivetest]

Hi dallas454 - Thank you for your comment. And you are most welcome. We're happy to hear we could help out with your written test my friend. If there is anything further we can do, drop us a note. Always happy to help. All the best, Cheers Rick

[@Warpxth]

I've only ever heard of air brakes and am studying for my CDL. The book wasn't helping me get it, but this was extremely beneficial to me. Thank you for posting!

[@smartdrivetest]

Hi Molly - thanks for your comment. In which state are you getting your CDL? Happy to hear the video helped out with the air brake information. If it might help more, I also have a course over at the Smart Drive Test website. Good luck with your studies. If there is anything further we can do, drop us a note. Always happy to help. All the best, Cheers Rick

[@herbertgoonew9935]

@@smartdrivetest is their any courses ??? I’m from Delaware a Small State and plan on doing Trucking Here Local first then after I get experience and know all the parts I’m Going Interstate. And is there any apps that really Help Me ?? Like I’m the trucking Parts and learning the basics for all around the world Truckin

[@Gul_Jee]

Hey Rick August, Thank you very much for the amazing knowledge you share with masses, I am subscribed to your youtube channel and amazed at the in depth knowledge you possess on the subjects you produce videos. I am a pro driver and would like to request you to Please produce an in-depth video on engine / Jake brake system, about its components, kinds, how they work and all the science related to Jake brakes. I am pretty sure that a video on Jake brakes will be a great help to all the pro drivers out there. Cheers.

[@smartdrivetest]

Hi Gul Afsar - Thank you for your comment and request. And welcome to the Smart Drive Test community. And you are right my friend. I will add that to the list and get it done up for you. I'm focusing a lot on CDL in the coming year. In the interim, this video may be of interest: kzbin.info/www/bejne/b4jIdoSZo7OVnLM&list=PL0x-bChcUvwFGo5zAdR8vvf-2pw05vxOk&index=47 All the best, Cheers Rick

[@keirafolkins5963]

This was great. I had no idea on air brakes and needed this to learn to drive a school bus. You simplified it and I feel much less overwhelmed. Thanks !

[@smartdrivetest]

Hi Keira - Thank you for your comment. And you are most welcome. We're happy to hear that you found the information explained simply. If there is anything further we can do, drop us a note. Always happy to help. All the best, Cheers Rick

[@tonyrodrigues8123]

PASSED TEST FIRST TIME❤❤🚛🚦😎😎

[@tonyrodrigues8123]

😎😎❤❤👍👍💪💪☘☘🚛🚒🚧🚦🚥🚨

[@smartdrivetest]

Hi Tony Rodrigues - that is *_FANTASTIC_* news! Would you stop over at Smart Drive Test, register your success and enter the draw for the $100 Fuel Card - www.smartdrivetest.com/contact/donation Thank you for letting us know. I'm sure you are having a huge celebration, and it is well deserved owing to your study & practice. All the best, Cheers Rick 🏎 PS - where did you go for your first solo trip to celebrate? See this vid too my friend: kzbin.info/www/bejne/aGLLc31qbtiLY9U

[@530Wrangler_Bullyz]

Was it hard or pretty much common sense safety wise?

[@kimharris7267]

Congratulations I'm trying to get mine now

[@darkmagician6192]

​@@kimharris7267 same here hows it going for you?

[@TSTxiSniping]

Hey, I'm just studying because I am going to take an air brake and class 1 course and Im absolutely green and also learning it in a second language can have its challenges when it comes to processing information. What I like about your videos is I can just pause you and think about what you said, or because Im a bit ADHD if I lose track of what you were saying I can rewind. Anyways my point is your videos are really helpful and I feel like im more prepared to take the course now

[@smartdrivetest]

Hi Benjamin Lambert - Thank you for your comment. And you are most welcome. We're happy to hear we could help out. If there is anything further we can do, drop us a note. Always happy to help. All the best, Cheers Rick

[@danryder2795]

This combined with my Manitoba manual provides much needed clarity, good to know how reliable air brake systems are!

[@smartdrivetest]

Hi Dan Ryder - Thank you for your comment and feedback. This video too will give you more information on the reliability of air brakes: kzbin.info/www/bejne/mWLPladuprBgfq8&list=PL0x-bChcUvwG2bSWReQWnk9Tm92L7WN_O&index=5 If there is anything further we can do, drop us a note. Always happy to help. All the best, Cheers Rick

[@virbone7141]

Thanks after going through the given knowledge by you ,I did pass my Air Brakes written test....

[@David.lovesU]

Thank you for taking the time to make this video

[@smartdrivetest]

Hi David R - Thank you for your comment. And you are most welcome. If there is anything further we can do, drop us a note. Always happy to help. All the best, Cheers Rick

[@eviloctober]

9:20 the best part of this entire video!!

[@smartdrivetest]

Hi eviloctober - Thank you for your comment. And when I taught in class and I asked students about the safety valve, I made them do the sound. If they didn't do the sound, it wasn't a correct answer. It was a lot of fun. If there is anything further we can do, drop us a note. Always happy to help. All the best my friend, Cheers Rick

[@1R_D_Z]

Wow, Thanks alot!! I find that many teachers overcomplicate air brakes without knowing it and this really helped get a more clear understanding of the system.

[@smartdrivetest]

Hi Josh Rodriguez - And you are most welcome. We're happy to hear we could help out. If there is anything further we can do, drop us a note. Always happy to help. All the best, Cheers Rick

[@rp1645]

Thank you for doing this. I am retired from driving. I kept my CDL because I bought a Restoring project. A 71 SeaGrave Fire Pumper. I had a Leak in one of my Tanks. From the stuff you teach, I could tell there was something wrong. Limped Fire Rig to my shop. Showed them right were problem was. And told them do repairs, plus full DOT inspection, of Air brake system. This is in part thanks to listening to great instructors like you. So I knew what to look for in Air brake system. I wanted the Fire Rig to let Kids enjoy. Get in cab. It has the opposite type of release for AirBrakes. You pull out nob, for DRIVING. Yes it's not what I'm use too.

[@k7ez147]

Perfect explanation sir

[@smartdrivetest]

Hi THE KETHAN GAMEZ - Thank you for your comment. And you are most welcome. We're happy to hear we could help out. If there is anything further we can do, drop us a note. Always happy to help. All the best, Cheers Rick

[@bolivitascorp9315]

Dam.........Mr Rick, you should be teaching Chemistry. You definitely find the easy and simply way to teach! Thank you again!

[@smartdrivetest]

Hi Bolivitas Corp - Thank you for your comment and flattering comment. And you are most welcome. If there is anything further we can do, drop us a note. Always happy to help. All the best, Cheers Rick

[@fibbymcgee209]

I've studied for the past 2 years. Wrote my air brakes test 8 times! I'm going to try again in 2 weeks...I don't understand why I'm not getting it 😑 I think I've watched this video a hundred times😅 plus all the reading of my book...I took an air brakes course....still can't pass that damn test but I'm not giving up

[@smartdrivetest]

Is it the questions, is something you don’t understand? Cheers Rick

[@fibbymcgee209]

@@smartdrivetest yes I believe so. I always get 5 questions wrong and you can't get no more than 4 wrong. This air brake struggle is real.

[@Carelock]

I don’t drive (other than yard moving). I work in a fleet shop, and these videos have been super helpful transitioning my career from being an electrician to a heavy duty mechanic. Thanks for posting!!

[@TNBlackTieGuy]

PERFECT! At first, I dreaded the monotoned voice, but soon realized you must have used it by design because I could focus on the content. Good job!

[@smartdrivetest]

Hi Don Lane - Thank you for your comment and feedback. And you are most welcome. We're happy to hear we could help out. This was one of my earlier videos - After a couple of years of making videos, I've become more animated. If you're interested, we have a book on Air Brakes at the website. You can learn more here: www.smartdrivetest.com/air-brakes-explained-simply If there is anything further we can do, drop us a note. Always happy to help. All the best, Cheers Rick

[@christiaangeerken4877]

Two things to add to the lesson. (1) What action can be taken if an air line at the brake actuator breaks off? i.e. what can be done to release brake to allow moving truck? (2) Truck air break lines are color coded. What do the colors designate?

[@smartdrivetest]

Hi Christiaan Geerken - Thank you for your comment. In a basic air brake video, those topics are beyond it's scope. This video may help out: kzbin.info/www/bejne/kHfMamhtfMarprc All the best, Cheers Rick

[@user-no7wt1ez7h]

Man I love your examples; they make everything clear. Great work thank you.

[@ismael_561]

I got my CLP already but watching your vidoes about the brake system really helped me to understand the system quite well. Thank you

[@smartdrivetest]

Hi @ismael-hk2un - And you are most welcome. We're happy to hear we could help out. If there is anything further we can do, drop us a note. Always happy to help. All the best, Cheers Rick

[@MehmudButt]

Thnaks for nice video,i dont see any link of yr website

[@smartdrivetest]

Hi Mehmud: Thanks for your comment. The website is www.smartdrivetest.com. I don't have the air brake course up as of yet, but will get it up by 10 August. In the meantime, if I can help with anything, drop me a note or an email and I'll be more than happy to help you out. Cheers Rick

[@ekjammohamed5379]

Smart Drive Test What about international students

[@marcosalazar5333]

awsome machine gun. reminded me of Rambo. good job with video

[@smartdrivetest]

Hi Marco Salazar - Thank you for your comment. And you are most welcome. Happy to hear we could entertain too! ;0) If there is anything further we can do, drop us a note. Always happy to help. All the best, Cheers Rick

[@jesselacayo3486]

These videos help to its fullest when studying for the ASE air brakes and the CDL license exams. Great help

[@smartdrivetest]

Hi Jesse Lacayo - Thank you for your comment. And you are most welcome. We're happy to hear we could help out. If there is anything further we can do, drop us a note. Always happy to help. All the best, Cheers Rick

[@jesselacayo3486]

Yes of course, currently studying for the ASE air brakes

[@smartdrivetest]

Hi Jesse Lacayo - Brilliant! All the best, Cheers Rick

[@Aliusmi]

Was trying to understand railroad air brake system, you video is a great explanation of the breaking system.👍🏻

[@jakeritter3287]

Thanks for actually explaining the terribly written booklet. I'm doing bus cert, and this stuff is very foreign to me.

[@camicutidor8873]

Excelente video muy didáctico y gráfico, aprendí mas en estos 11 minutos que en 6 horas de clase presencial.

[@smartdrivetest]

Translation: Excellent very didactic and graphic video, I learned more in these 11 minutes than in 6 hours of face-to-face class. Hi Cami Cutidor - you are most welcome my friend. Have a look at this vid too: kzbin.info/www/bejne/mWLPladuprBgfq8 Drop us a note if we can help further my friend. All the best, Cheers Rick

[@camicutidor8873]

@@smartdrivetest thank you so much sir, you´re so kind, I´ll watch that vid.

[@smartdrivetest]

Hi Cami Cutidor - you are most welcome my friend. Drop us a note if we can help further my friend. All the best, Cheers Rick

[@kavaleaks]

@@smartdrivetest kindly share your email please

[@smartdrivetest]

[e-mail] Looking forward to hearing from you. Cheers Rick

[@ajayv304]

Thank You very much for your explanation on Air Braking System. I am struggling a lot to understand the working of Air Braking System. This video helped me a lot to get a clear view I would request if you can explain about the Air Tanks in detail and about ADIS.

[@Tolerantbuddy]

Thank you so much Rick, you’re SUPERB‼️ who can explain this better in just 10 mins. Keep it up brother respect ✊🏽

[@smartdrivetest]

Hi Tolerant ሐበሻ - And you are most welcome. We're happy to hear we could help out. If there is anything further we can do, drop us a note. Always happy to help. All the best, Cheers Rick

[@amitsoni9603]

sound of safety valve haa haa

[@smartdrivetest]

Hi amit soni - Apologies for the late response. Thank you for your comment. Yes, the safety valve is a funny sound indeed - and it helps students to remember. ;0) If there is anything further we can do, drop us a note. Always happy to help. All the best, Cheers Rick

[@semogv8085]

Tu tu tu tu tu tu machina gun🤣🤣

[@michaelcopeland9924]

In your video you never explain the purpose of a air dryer I have a problem with a safety valve that is attached to an air dryer that sound like a machine gun before it purges The system is on a freightliner chassis and it as 20000 miles on the chassis and air system the governor ,safety valve ,filter dryer filter is new. The purge valve also is new. They problem is the system can not reach a 125 435 PSI at 12:00 rpm so it continues to release air with safety valve the purge system can not work. The purge system will work once you let off of the throttle and go back to 700 rpm the system worked great once you accelerate the system has begin to load the air tanks it does it again the same problem allowing air not to build to a 130 PSI.

[@smartdrivetest]

Here is the video for the air dryer my friend; kzbin.info/www/bejne/r3PMXmmbisibZtk The safety valves on the system are located on the air tanks. I believe you're talking about the purge valve on the air dryer. I would guess that you either have a problem with the purge valve on the air dryer, or something is wrong with the governor. All the best, Cheers Rick

[@carlaldrich7303]

Thanks, Rick. I need to get a CDL to operate some equipment at my job and reading all this stuff in the book without ever having seen it wasn't getting me very far. Your diagram and explanations helped a ton!

[@carlaldrich7303]

The possibility of needing a CDL was one of those weird things no one mentioned when I was in grad school for history :D

[@smartdrivetest]

Hi Carl Aldrich - Apologies for the late response. Thank you for your comment. And you are most welcome. If there is anything further we can do, drop us a note. Always happy to help. All the best, Cheers Rick

[@smartdrivetest]

Hi Carl Aldrich - Thank you for your comment. Odd how they never mention those details in graduate school. ;o) All the best, Cheers Rick

[@scottishjeep]

like your character and knowledge. Just starting to study, wish I had you as an instructor! Keep up the great teachings!

[@smartdrivetest]

Hi Brice Bothwell - you are most welcome my friend. Drop us a note if we an help further. All the best, Cheers Rick

[@keichiyama6793]

Love Your Educational videos. Sir You are amongst the best teachers I have had the opportunity to be informed by, when ever it comes to safe n smart driving. Thank You Teacher.

[@smartdrivetest]

Hi Micho Yamada - you are most welcome my friend. Have a look at this vid: kzbin.info/www/bejne/mWLPladuprBgfq8 Drop us a note if we can help further my friend. All the best, Cheers Rick

[@annemallin7972]

Your teaching video is AWESOMELY easy to understand ! You don't add unnecessary words and pictures which is simple to remember. I have to take the CDL permit test, and I only passed the General Knowledge the first time. I was trying to study the air brakes but the illustrations cannot replace your simple diagrams and views, just WOW... God has blessed you with 'teaching' gift. Thank you so very much.

[@smartdrivetest]

Hi Anne - thank you for your comment and compliment. I'm really glad the information helped. And you are most welcome. If there is anything further we can do, drop us a note. Always happy to help. All the best, Cheers Rick

[@d.a.t.4699]

sure appreciate your videos. im a full time trucker but always know to keep the study book open...great video thx n cheers

[@smartdrivetest]

Hi D.A.T. - thank you for your kind words. You are most welcome my friend. Drop us a note if we can help further my friend. All the best, Cheers Rick

[@terryandbeth5507]

I'm watching this to get ready to drive our RV. Thank you for this very helpful explanation of the air brake system.

[@smartdrivetest]

You are most welcome - so happy to hear that we could help out. All the best, Cheers Rick

[@neyrapaola5]

Thank you so much for this video! Can you make one of these for the suspension system?

[@michaelwerner8343]

I just moved to Canada 4 months ago from Germany and still struggling with the language, but ur kind of explaination is very understandable even for those specific topic. Thank you

[@smartdrivetest]

Hi Michael Werner - you are most welcome my friend. Drop us a note if we can help further my friend. All the best, Cheers Rick

[@harmanvi]

I am still confused about from where to start ,but I do really appreciate your videos so so much. And do guide from where I should learn how to drive truck too

[@MarvR0914]

Thank you for the videos Rick, your passion and love for what you do helped me pass the air brake CDL exam. No joke Sir, I literally thought of your videos while answering the questions. If you have any content on Hazardous Material let me know. I took all the other endorsements yesterday except for the Hazardous exam. Thanks again for your time.

[@smartdrivetest]

Hi Marv Redd - that is a awesome news. Thank you for letting us know, and you are most welcome. We're happy to hear we could help out. I'm sure you are having a huge celebration, and it is well deserved owing to your study & practice. If there is anything further we can do, drop us a note. Always happy to help. All the best, Cheers Rick 🏎 PS - where in the world did you pass your test and do you have any CDL jobs lined up yet?

[@MarvR0914]

@@smartdrivetest Thank you for the kind response. I'm located in Norrh Long Beach California, I tested at the Gardena California DMV. I was unaware i had to take the California Driver's License exam as well; I passed the General knowledge, Air brakes, Combinations, Doubles/ Triples, and Tankers. I'm scheduled to go back next month to complete the California exam, plus I will take the Hazardous exam as well. As for jobs, I was planning on joining one of the major companies to complete the driving portion. I've been researching possibilities, I'm aware of having to sign a contract with one of these companies, any thoughts? I'm serious about my pending trucking career, and excited about this chapter in my life.

[@smartdrivetest]

Hi Marv Redd - Thank you for your comment. See my response above. If there is anything further we can do, drop us a note. Always happy to help. All the best, Cheers Rick

[@AnthonyArmstrongFiesta]

THANK YOU I'm taking air brakes as a part of a 2 year Motive Power program...I'm excited to look through more of your content, you have a great way of breaking things down.

[@smartdrivetest]

Hi Anthony - thanks for your comment. Can I ask, at what institution are you taking the Motive Power program. Have a look at the air brake information for the state of California - lots of details in that bit. If there's anything specific we can help you with, drop us a note. All the best, Cheers Rick

[@AnthonyArmstrongFiesta]

Smart Drive Test I will definitely check out the California stuff. I'm at Sault College. Nice program with a lot of cars, trucks and equipment to learn on.

[@smartdrivetest]

Thanks Anthony - that's great information. When you're finished with the course, what will that allow you to work at? Thanks, Cheers Rick

[@AnthonyArmstrongFiesta]

Smart Drive Test I've always wanted to operate, but slowly pulled towards working on stuff instead. As far as the course--I think you could consider it pre-apprentice. The course is called Motive Power Advance Repair. It's an even mix of automotive and heavy / truck and coach. I'll be ready to hire in either trade and have a good handle on the systems on the equipment and in the garage. I can't wait to be working but I know there's still lots to learn!

[@smartdrivetest]

Hi Anthony - yes, with that range of equipment, there is indeed, lots to learn. However, I'm sure that you won't have too much trouble finding employment. All the best, Cheers Rick

[@F9I1R1E]

All your videos are great! To the point and easy to follow! Thanks for making these!

[@smartdrivetest]

Thanks for watching! So happy to hear we were able to help out. All the best, Cheers Rick

[@redneckcanuckdieseltech]

In 8 years of working as a truck mechanic I've never once worked on a wedge brake equipped truck, however I have worked on air over hydraulic brake systems but only on older front end loaders in the heavy equipment side of things.

[@smartdrivetest]

Thank you for that information my friend. All the best, Cheers Rick

[@bunieshakitt]

This was so helpful 😭. THANK YOU!!

[@riffraff9070]

Thank for this breakdown. Extremely helpful.

[@smartdrivetest]

Hi Riff Raff - you are most welcome my friend. All the best, Cheers Rick

[@LUNATIK.777]

I started my cdl training, soon i will have to take this test, thank you Rick, with this video i am going to pass no doubt about it..

[@smartdrivetest]

Hi @nohaterchannel118 - glad to help my friend and good luck on your road test. All the best, Cheers Rick

[@karaofreedom8503]

Man this guy knows his stuff!! And he’s such a great teacher!!

[@smartdrivetest]

Hi KaraoFreedom - And you are most welcome. We're happy to hear we could help out. If there is anything further we can do, drop us a note. Always happy to help. All the best, Cheers Rick

[@chesedavraham7742]

Like the graphics and it’s component and how he explains each function, it really make it easy to understand the air break system on my semi trick, thanks

[@smartdrivetest]

Hi @chesedavraham7742 - you are most welcome my friend. Drop us a note if we can help further my friend. All the best, Cheers Rick

[@hervavengill8734]

This man is making a lot of good karma he is helping so much god bless him and his family

[@smartdrivetest]

Hi Hervaven Gill - And you are most welcome. We're happy to hear we could help out. If there is anything further we can do, drop us a note. Always happy to help. All the best, Cheers Rick

[@harmanjediwarlord8984]

im in portugal and are almost there to become a truck driver, your videos are really helpful. Thanks a lot

[@smartdrivetest]

Hi harman jedi warlord - you are most welcome my friend. Drop us a note if we can help further my friend. All the best, Cheers Rick

[@bretoner2]

I'm in Nova Scotia and require to pass the written test in order to apply to the college. Thank you for your videos.

[@smartdrivetest]

Hi bretoner2 - Thank you for your comment. And you are most welcome. We're happy to hear we could help out with your air brakes there in Nova Scotia my friend. If there is anything further we can do, drop us a note. Always happy to help. All the best, Cheers Rick

[@annevu6420]

Thank you so much for your information Mr. Rick. love you explanation.

[@brokedown27]

Thanks for being so informative,,, i still dont understand the wedge system as i am more a visual learner but this video gave me what i came for. Thanks again rick.

[@smartdrivetest]

Hi Jason - wedge brakes are self adjusting and may have 1 or 2 brakes chambers. As well, these can only be adjusted by a technician. These are a relic of the past, and it is really unlikely that you will ever encounter these. All the best, Cheers Rick

[@CrimsonLibra_20]

Rick, thanks for keeping things easy going, informative, and well explained. I've subscribed and I'll check out other your other videos every day. Taking a govt funded AZ course in Barrie, ON. Wish me luck.

[@sandywalls8768]

I am gonna take my Air Brake Class/Test this coming weekend June 24-25, 2022. Thank you !! It is very good information in this video

[@smartdrivetest]

Hi Sandy Walls - We're happy to hear we could help out. Good luck on your road test! Be sure to let us know how it goes. All the best, Cheers Rick

[@alexis33able]

Thanks for your advise, We will go through the check valves.

[@smartdrivetest]

Not a problem Alexis - if you have further questions, drop us a note. All the best, Cheers Rick

[@rustamisrofilov7535]

Beautiful explanations of air brake system! Thanks a lot brother!👍👌

[@smartdrivetest]

Hi Rustam Isrofilov - And you are most welcome. We're happy to hear we could help out. If there is anything further we can do, drop us a note. Always happy to help. All the best, Cheers Rick

[@lesolson6483]

Excellent: Opens up the black box of the truck systems. This type of presentation builds confidence. Thanks, Les, 75 year old student!

[@smartdrivetest]

Hi Les Olson - thank you for your awesome comment. It goes to show that it is never too late to learn. I'm happy to hear the information proved helpful. If there is anything we can help with further, drop us a note. Always happy to lend a hand. All the best, Cheers Rick

[@agelgiloterkiblessed6907]

Easy and clear explaining, great job

[@smartdrivetest]

Hi Agelgiloterki blessed - Thank you for your comment. And you are most welcome. We're happy to hear we could help out. If there is anything further we can do, drop us a note. Always happy to help. All the best, Cheers Rick

[@gregorysias6090]

thank you for the refresher.

[@FabioMLopez]

Excellent video! Very well and clearly explained. Thanks for sharing!

[@smartdrivetest]

Hi @FabioMLopez - I am grateful for the acknowledgment. Thank you very much. Drop us a note if we can help further my friend. All the best, Cheers Rick

[@maxcali863]

Thank you so much, I just learned how Air Breaks work in a simple easy to understand way from you.

[@smartdrivetest]

Hi Max Cali - you are most welcome my friend. Drop us a note if we can help further my friend. All the best, Cheers Rick

[@VANCOUVERRx]

I’m really struggling to pass my BC Class one knowledge test, the air brakes knowledge test is now mixed in with class one questions as a part of the melt program, they ask questions about dual air brake systems as well. This video did help me understand a bit better tho thanks Rick. - Philip From Abbotsford BC

[@smartdrivetest]

Hi Philip - And you are most welcome. We're happy to hear we could help out. If there is anything further we can do, drop us a note. Always happy to help. All the best, Cheers Rick

[@Messiah114]

Really good video!

[@mohammadshahrahimi1986]

Thanks for your lesson so productive.

[@virbone7141]

Good ways explaining basics of Air Brake System!!!!

[@smartdrivetest]

Hi VIR BONE - Apologies for the late response. Thank you for your comment. And you are most welcome. If there is anything further we can do, drop us a note. Always happy to help. All the best, Cheers Rick

[@mohammedabdille4295]

Great help for remembering always what you learned in school thanks smart driving

[@smartdrivetest]

Hi Mohammed Abdille - you are most welcome my friend. Drop us a note if we can help further my friend. All the best, Cheers Rick

[@johnKernight]

You are a great teacher.Thanks alot

[@cheritorgusson6057]

The video was very good. I have a much better understanding of the basics. Your explainations and Diagram made it understandable Thank You!!

[@smartdrivetest]

Hi cheri Torgusson - And you are most welcome. We're happy to hear we could help out. If there is anything further we can do, drop us a note. Always happy to help. All the best, Cheers Rick

[@AndrewMagee01]

This was very concise and clear. Thank you!

[@smartdrivetest]

Hi Andrew Magee - you are most welcome my friend. Drop us a note if we can help further my friend. All the best, Cheers Rick

[@AndyRojen]

Thanks for comprehensive explanation and at the same time keeping the video short

[@smartdrivetest]

Hi AndyRojen - Thank you for your comment. And you are most welcome. We're happy to hear we could help out. If there is anything further we can do, drop us a note. Always happy to help. All the best, Cheers Rick

[@paramjitsidhu6042]

Thanks Rick cool you are doing this very helpful

[@claudees]

Thanks for sharing this video on KZbin. Very informative and helpful

[@smartdrivetest]

Hi claudees - And you are most welcome. We're happy to hear we could help out. If there is anything further we can do, drop us a note. Always happy to help. All the best, Cheers Rick

[@amalkrishnan4701]

Thanks for this video. it is very helpful for understanding the working of air brakes.

[@smartdrivetest]

Hi Amal krishnan - thank you for your comment and compliment. And you are most welcome. If there is anything further we can do, drop us a note. Always happy to help. All the best, Cheers Rick

[@IlocanoFilipinoC]

Thanks for the Airbrakes knowledge sir Rick!!!

[@smartdrivetest]

Hi @ryanemersonmeana594 - glad to help. Drop us a note if we can help further my friend. All the best, Cheers Rick

[@Zubair401]

Another great video Mr Rick .... God bless you

[@smartdrivetest]

Hi @Zubair401 - you are most welcome my friend. Drop us a note if we can help further my friend. All the best, Cheers Rick

[@pakky9503]

Very easy to be understood. Great job

[@smartdrivetest]

Hi Pakky - glad to help my friend. All the best, Cheers Rick

[@natibori2881]

Thank you for sharing this information with us.

[@smartdrivetest]

Glad it was helpful! Cheers Rick

[@williamsonpelesi7804]

Thanks for the lesson its helping

[@Valet101]

thank you for posting very informative

[@smartdrivetest]

Hi elle ias - you are most welcome. If there is anything further we can do, drop us a note. Always happy to help. All the best, Cheers Rick

[@claudees]

Hi Rick u simply the subject and explain everything in detail. Thanks.

[@smartdrivetest]

Hi claudees - And you are most welcome. We're happy to hear we could help out. If there is anything further we can do, drop us a note. Always happy to help. All the best, Cheers Rick

[@eddiecnino1]

Thank you! Great video!

[@TruckerDan936]

Explained really well. Thanks.

[@smartdrivetest]

Hi Dan Bernard - Thank you for your comment. And you are most welcome. We're happy to hear we could help out. If there is anything further we can do, drop us a note. Always happy to help. All the best, Cheers Rick

[@fmann7545]

Great videos!some people can teach and some cant, These videos help a lot thanks.

[@smartdrivetest]

Hi F Mann - thank you for your comment and praise. If there's anything specific we can do drop us a line. All the best, Cheers Rick

[@RacingLRanch]

thank you for these videos! Could listen to you all day!

[@smartdrivetest]

Hi LaVerne Jones - Thank you for your comment. And you are most welcome. If there is anything further we can do, drop us a note. Always happy to help. All the best, Cheers Rick

[@RacingLRanch]

Smart Drive Test actually I do have a question. I have to take a CDL test in OK for a class A. I have to take it in a Ford F450 and 40 foot horse trailer. Do you have any videos that will help with pre trip exam portion?

[@camilofilho3381]

Congratulations, excellent presentation!

[@smartdrivetest]

Hi Camilo Filho - Thank you for your comment. And you are most welcome. If there is anything further we can do, drop us a note. Always happy to help. All the best, Cheers Rick

[@nestorrubi6317]

Thanks for the information I want to take your test

[@starwagon]

Got myself a job as parts clerk at a semi truck shop and these videos are helping greatly. Got knowledge on car parts but not really truck parts so it's giving me a great idea of how the systems work. Thanks!

[@smartdrivetest]

Hi Star Channel - And you are most welcome. We're happy to hear we could help out. If there is anything further we can do, drop us a note. Always happy to help. All the best, Cheers Rick