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Air Brake Relay - How it Works. Air braking systems and Commercial vehicles

Educational Mechanics
2016 ж. 16 Қаз.
1 278 850 Рет қаралды
Жүктеу

A more detailed look at the air braking system, in particular with this video at the air brake relay.
Relays are fitted to an air braking system for larger vehicles to speed up the application and release of the brakes, minimising brake lag, which is the time it takes between the driver operating the controls (park brake/foot brake valve) and the action actually happening at the brakes.
For a bit more background before watching this video, take a look at our "introduction to air brakes" • Air Brakes - An Introd...
If you like what you see hit the like button, and if you would like to see more subscribe to Educational Mechanics here: kzhead.info...
Visit our website for a larger collection at: edumech.co.uk

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  • This is the clearest explanation and visualization of air brake systems that I've ever encountered. Thank you!

    @iordnbrun5498@iordnbrun54983 жыл бұрын

    • You're very welcome, thanks for watching.

      @EducationalMechanics@EducationalMechanics3 жыл бұрын

  • Thank you for this great video. You must have spent a lot of your valuable time making it.

    @c.a.mcneil7599@c.a.mcneil75995 жыл бұрын

  • I don't know how to thank you, sir! You nailed this extraordinary air brake relay video down to the science. Excellent devery style and methods to my mind's taste buds. I was blind about this concept, but you made me see! Once again, thank you and may God bless you!

    @5wshow444@5wshow4443 жыл бұрын

    • Yes! Very good video!! Thanks

      @vincesmith5846@vincesmith58462 жыл бұрын

  • Im soooo happy that ive found you! You could not beleve how much easier my studies are now! Thanks again!

    @TheSuperKnug@TheSuperKnug6 жыл бұрын

  • lol, I'm an instrument tech looking for information on pneumatic relays and this was the best video I could find to explain it. well done

    @Kevin-ip8uf@Kevin-ip8uf5 жыл бұрын

    • Thanks Kevin 😀

      @EducationalMechanics@EducationalMechanics5 жыл бұрын

  • Very good explanation-you made it very simple and easy to understand

    @Gary-ld6ht@Gary-ld6ht5 жыл бұрын

  • This is EXACTLY the information I was looking for. Thank you!

    @colerobison6916@colerobison69165 жыл бұрын

  • Thanks for taking the time to put this together. Great explanation, graphics are a big help.

    @1963BirdDog@1963BirdDog6 жыл бұрын

    • Thanks BirdDog, glad it helps.

      @EducationalMechanics@EducationalMechanics6 жыл бұрын

  • Great video!!!!The simple graphics make the principles much easier to understand.....thank you very much!

    @tankosl@tankosl7 жыл бұрын

    • Thanks Mark. It means a lot to us.

      @EducationalMechanics@EducationalMechanics7 жыл бұрын

  • This was just awesome! I LOVED the "tu tu du..." part. Reminded me of one of the most epic stand up comedians I know, Eddie Izzard!

    @VivekAnandJ@VivekAnandJ4 жыл бұрын

    • I love Eddie Izzard!

      @EducationalMechanics@EducationalMechanics4 жыл бұрын

  • Finaly, a video about air brakes that can be understood by everyone!

    @mr_nice.@mr_nice. Жыл бұрын

  • Awesome video! Now I feel like I completely understand air brake relays, and this is extra helpful because I now know I have a faulty relay on my school bus. Cheers mate!

    @r0ckworthy@r0ckworthy Жыл бұрын

  • om a truck mechanic so am loving this video

    @bigmack9334@bigmack93346 жыл бұрын

  • Great video, very informative. For a small valve, there's a lot going on there. I'll have to look at this video a few times to take it all in. Thanks

    @patodwyer721@patodwyer7213 жыл бұрын

  • Short concise and informative. Thank you

    @zues2013@zues20133 жыл бұрын

  • I'm a mobile 24 hour diesel mechanic here in Michigan America....I've watched one video and I'm already hooked.... already subscribed on to the next videos lol....thanks keep up the great work my English brother....Britain and America... boyfriend girlfriend FOREVER lol

    @frankrizzo5659@frankrizzo56594 жыл бұрын

  • Great video really clarified how it works over what books tell you

    @atreaunormandy9827@atreaunormandy98272 жыл бұрын

  • Thank you, this video is very helpful for brake system analysis

    @GunawanWidihardjo@GunawanWidihardjo7 жыл бұрын

  • Outstanding explanation. Graphics are awesome. Thank you for posting

    @shawnwright2356@shawnwright23565 жыл бұрын

  • What's even more marvellous is the durability of these parts.

    @jamieheald8732@jamieheald8732 Жыл бұрын

  • Thank you so much for this video! Very well explained. I just discovered your channel and am looking forward to watching more of your educational videos!

    @johannap6252@johannap6252 Жыл бұрын

  • Excellent video. Relay just acts like a diaphram control valve. Excellent work. Keep it up.

    @cck0728@cck07286 жыл бұрын

    • Thanks Abid Mahmood. 😀

      @EducationalMechanics@EducationalMechanics5 жыл бұрын

  • I'm about to start the journey of studying every one of your videos.

    @SwampDonkey225@SwampDonkey225 Жыл бұрын

  • Very nicely explained & the sound you make in between daa daaa makes me laugh. Keep it up. Thanks for the video. Namaste

    @pavankn88@pavankn884 жыл бұрын

  • Very well explained. Thank you.

    @alphatruckersinc.9417@alphatruckersinc.94173 жыл бұрын

  • Thank you for the simplification.

    @jhalakgurung3980@jhalakgurung39803 жыл бұрын

  • Thanks for explaining the functioning of RV in a simple way...

    @bujjibabukamasanikamasani9125@bujjibabukamasanikamasani91255 жыл бұрын

    • You're welcome. We're glad it helped.😀

      @EducationalMechanics@EducationalMechanics5 жыл бұрын

  • Very well explained, can be understood by everyone

    @VIP18041988@VIP1804198816 күн бұрын

  • 2:29 made my day

    @kr09876@kr098765 жыл бұрын

  • This satisfies my curiosity of that air below vehicle blown on the road. Exhaust... Air released from delivery pipe line. Thank you.

    @CyberDevNet@CyberDevNet4 жыл бұрын

  • Thanks for a thorough explanation

    @NOOTSMAZDAS@NOOTSMAZDAS Жыл бұрын

  • Fantastic video we need more

    @monique2135@monique21357 жыл бұрын

  • Fantastic explanation and illustration. Great video!

    @driverbank6563@driverbank65633 жыл бұрын

    • Thanks. 😉

      @EducationalMechanics@EducationalMechanics3 жыл бұрын

  • That was easily understood, thank you.

    @toddjensen692@toddjensen692 Жыл бұрын

  • Thank You Sir, Great Observed Good Idea Video Channel I love this post to learn more about

    @omaradan8062@omaradan80626 жыл бұрын

  • Brilliant video, cannot thank you enough!

    @chris0t470@chris0t470 Жыл бұрын

  • explained well, thanks

    @reallittleblackdevil@reallittleblackdevil6 жыл бұрын

  • You're sooo good at explaining, keep it up

    @laskeysikazwe1770@laskeysikazwe17702 жыл бұрын

    • thanks 😄

      @EducationalMechanics@EducationalMechanics Жыл бұрын

  • Fantastic Video. Thank you so much

    @matthewdinola1422@matthewdinola14222 жыл бұрын

  • Great explanation. Well done. I have one common question. What is use of solenoid valve in addition with relay valve and how its functioning?

    @gowrisankarm4668@gowrisankarm46685 жыл бұрын

  • I was just working on one of those relays last week. Really threw me for a loop I think now I can fix it

    @waymondhallum7203@waymondhallum72036 жыл бұрын

  • this is the best one

    @kkfayiz@kkfayiz7 жыл бұрын

  • Thanks for Teaching And God Bless

    @cristianwaty6966@cristianwaty69663 жыл бұрын

  • good one, easy to understand the systems

    @ARUNKUMAR5453@ARUNKUMAR54535 жыл бұрын

  • Superb explanation. Someday (if you like) would love to see a similar video for DD3 (bus, non-spring brake) brake systems. Thanks.

    @DellAnderson@DellAnderson3 жыл бұрын

    • Good 👍

      @truckcaretv8649@truckcaretv8649 Жыл бұрын

  • VERY WELL DONE VIDEO !!!!!!!!!

    @torktool@torktool6 жыл бұрын

    • Thanks Robert

      @EducationalMechanics@EducationalMechanics6 жыл бұрын

  • Excellent. Greetings from Venezuela.

    @ErrejotaNatera@ErrejotaNatera6 жыл бұрын

  • Finally, I got it. Thanks to your video Happy Thanksgiving day

    @tulw2728@tulw27285 жыл бұрын

    • Well Done Private One.🙂

      @EducationalMechanics@EducationalMechanics5 жыл бұрын

  • Good video and clear to understand mate

    @mzee5533@mzee55336 жыл бұрын

    • Thanks Muchie

      @EducationalMechanics@EducationalMechanics6 жыл бұрын

    • Very very good

      @aungmyothein3524@aungmyothein35246 жыл бұрын

  • This guy is legit! Very educational and it made me laugh!🤣🤣😂😂👍🤘

    @willieb5052@willieb50523 жыл бұрын

    • Thanks Willie B. 😘

      @EducationalMechanics@EducationalMechanics3 жыл бұрын

    • @@EducationalMechanics ١

      @faizabdalla4651@faizabdalla4651 Жыл бұрын

  • amazing...explain ❤

    @ahmad2304@ahmad23045 жыл бұрын

  • Good stuff. Just like been a DAF training school but without felt tipped pens and no nodding off lol

    @CosgroveNotts@CosgroveNotts6 жыл бұрын

    • Still got my red, yellow and blue felt tips! 😉

      @EducationalMechanics@EducationalMechanics6 жыл бұрын

  • EXCELLENT VIDEO

    @scottsigley3550@scottsigley3550 Жыл бұрын

  • very nice video cleared up the lag issues i was concerned about in air brakes as well as where the sound is coming from when air is released out the exhaust port when you let off the brake pedal as well as the brake button/throttle's on dash. Its this simple relay component that i over looked. The relay is an important components :)

    @sam111880@sam1118806 жыл бұрын

    • Good 👍

      @truckcaretv8649@truckcaretv8649 Жыл бұрын

  • I love this kind of straight forward video and they really takes a lot of theory and time to do this kind of video! Thank you SOOOOOOO SOOOO MUCH! Have you moved on in life and so never upload since 4yrs ago? :P Wish u good life and happiness in whatever you are doing

    @akoj3262@akoj32623 жыл бұрын

    • Hi. I’m still here. I’ve got a few more videos to make. I’m just really busy teaching. Thank you for your kind words. :-)

      @EducationalMechanics@EducationalMechanics2 жыл бұрын

  • Best among available...

    @ductile011@ductile0115 жыл бұрын

  • Thanks for the information, very well presented😀😀😀😀😀😀

    @manchesterunitedfansintern9524@manchesterunitedfansintern9524 Жыл бұрын

  • Super clear!

    @Filip_Phreriks@Filip_Phreriks6 жыл бұрын

  • it is interesting lesson i thank you

    @woldeyohanneshora5631@woldeyohanneshora56319 ай бұрын

  • Excellent. Good job.

    @bushmaster777@bushmaster7776 жыл бұрын

  • Wooooo. Slow down mate. Easy to see that you know your stuff. But remember... good teachers speak slowly enough so that everyone will understand. This is not a race... 10/10 for the graphics!

    @edmourgagnon1504@edmourgagnon15049 ай бұрын

  • Excellent video

    @MuhammadFaisal-vm5oz@MuhammadFaisal-vm5oz7 жыл бұрын

    • Thanks Muhammad.

      @EducationalMechanics@EducationalMechanics7 жыл бұрын

    • Muhammad Faisal ,,

      @bertieknops9823@bertieknops98236 жыл бұрын

    • Muhammad Faisal 0ll

      @litabay@litabay6 жыл бұрын

  • Thank you for sharing. very good video.God bless you.

    @alexvarela4605@alexvarela46056 жыл бұрын

    • Thanks Alex.

      @EducationalMechanics@EducationalMechanics6 жыл бұрын

  • Thanks a lot...Excellent video. Can you do the same detailed video for the inner operation of an air compressor?

    @SuperBayarea87@SuperBayarea877 жыл бұрын

  • wow , you explained it in so nice way , i can do better tomorrow in my exam, thankyou

    @ShubhamMishra-ed7mb@ShubhamMishra-ed7mb7 жыл бұрын

    • Thanks Shubham Mishra, good luck tomorrow.

      @EducationalMechanics@EducationalMechanics7 жыл бұрын

    • Thank you sir , i've watched lots of your videos that would be very helpful , thanx a lot

      @ShubhamMishra-ed7mb@ShubhamMishra-ed7mb7 жыл бұрын

  • Awesome information thank you

    @christopherkane2842@christopherkane28425 ай бұрын

  • Thank u so much for the video....

    @chuckt8529@chuckt85296 жыл бұрын

  • NICE e explanation, THANKS😃😃

    @billarroo1@billarroo13 жыл бұрын

  • Thanks for the great vidio sr.it help me alot

    @tomasnava6416@tomasnava64164 жыл бұрын

  • Well done!

    @AutoScholarwithMrB@AutoScholarwithMrB Жыл бұрын

  • You are brilliant

    @Kami-dz3pc@Kami-dz3pc4 жыл бұрын

  • Really cool video thanks !

    @sierravortec2629@sierravortec26296 жыл бұрын

  • Great job

    @josefachal1608@josefachal1608Ай бұрын

  • If I put another axle with brakes , I have to take the same signal from the pedal and putting one tank of air obiusly, great video .....

    @ovidiofs1@ovidiofs16 жыл бұрын

  • Very good learning video

    @trevorcheong4959@trevorcheong49595 жыл бұрын

  • Thanks for sharing this video sir

    @mekanikobisdak4490@mekanikobisdak44903 жыл бұрын

    • Thank you for watching. It means a lot to us.

      @EducationalMechanics@EducationalMechanics3 жыл бұрын

  • Well done.

    @charlieabbot3649@charlieabbot36494 жыл бұрын

  • I passed my test yesterday but yet here I am still doing refreshers 😂

    @HonchoHundo@HonchoHundo Жыл бұрын

  • Thank you so much

    @pradeep-ez3dr@pradeep-ez3dr4 жыл бұрын

  • Great video. Just subscribed!

    @localcrew@localcrew3 жыл бұрын

  • this video is useful! thanks!

    @InspirasiBALIKPAPANUpdated@InspirasiBALIKPAPANUpdated Жыл бұрын

  • Good video....thank you...

    @lakkimsettyphanindrakumar5810@lakkimsettyphanindrakumar58106 жыл бұрын

  • Great video.. Thank you

    @ganzosworld524@ganzosworld5242 жыл бұрын

  • I have a 2017 Frieghtliner Cascadia and the Air Dryer is located right in front of the passenger tire off the chasis, very easy to get at !!!

    @tonyfolkes5122@tonyfolkes51226 жыл бұрын

    • Who cares

      @sameuljones5496@sameuljones54965 жыл бұрын

  • What does the Bendix BX800142 Parking Valve do and how is it wired?

    @navytechskull1932@navytechskull19323 жыл бұрын

  • Great video but where does the exhaust hose(yellow) from the parking brakes goes to?

    @waynepalmer5368@waynepalmer53683 жыл бұрын

  • thanks!!!

    @chrisevans8694@chrisevans86945 жыл бұрын

  • excellent video

    @OldCrowsClassicCars@OldCrowsClassicCars3 жыл бұрын

  • Good job.

    @dsbohra@dsbohra2 ай бұрын

  • Hi ! Can you help me with this question plz ? What must the driver of a heavy véhicule equipped with air brakes keep in mind about the response time for the air brake système as compared to a véhicule equipped with a hydraulic brake système ? Thx

    @cibo8886@cibo88864 жыл бұрын

    • Air is a gas and gases can be compressed but liquids can't. Get a syringe and pull back the plunger then block the open end before pushing down on the plunger. The plunger will feel like it is pushing against a spring. Repeat the process after filling the syringe with water. The plunger will feel like it is pushing on something solid.

      @danielebrparish4271@danielebrparish42712 жыл бұрын

  • Great info thanks

    @wolfemanbog4176@wolfemanbog41764 жыл бұрын

  • Thanks for video

    @harjindermaan8891@harjindermaan88914 жыл бұрын

  • Nice

    @RAILWAYNEWUPDATE@RAILWAYNEWUPDATE4 жыл бұрын

  • Great video

    @kbren7517@kbren75173 жыл бұрын

  • Great video! Can you tell me why do some air brakes squeak when you release the brake pedal? Like the ford ones for example

    @JazzyJasTruckingzz@JazzyJasTruckingzz6 жыл бұрын

    • Some relay exhaust valves have different designs, and some may make a sound like hissing or lots of air rushing through an opening. Some make a sound not unlike a musical note, although that is not the intention of the manufacturer. Just like different tires would make different sounds on the driving surfaces, release valves make different noises as the air exhausts out through the ports. Some sound like a sneeze, some sound a bit like a musical instrument.

      @stanpatterson5033@stanpatterson50336 жыл бұрын

  • Thank u sir.

    @candrevajonathan-matic6604@candrevajonathan-matic66045 жыл бұрын

  • Thank you

    @tsepomokola5765@tsepomokola57653 жыл бұрын

  • Nice channel mate

    @Teddy_Bass@Teddy_Bass5 жыл бұрын

  • How to set up the lines on the exhaust ports on the 2002 Mack granite concrete truck with the em7 300 engine

    @jasonbuckmire6277@jasonbuckmire62774 жыл бұрын
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