The customer called about their main exhaust fan, I did my best to get it going, stay tuned till the end for when I tear down a motor starter.
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TEASER 00:00
SPONSOR CARD 00:20
ORIGINAL PROBLEM 00:30
MOTOR STARTER INVESTIGATION 03:44
EXHAUST WHEEL INVESTIGATION 06:21
WTF MOMENT (ELECTRICAL SHORT) 08:58
RETURN TO REPLACE 10:39
MOTOR STARTER REPLACEMENT 12:26
MOTOR STARTER TEARDOWN 13:52
CLOSING WORDS 17:07

45 thoughts on “The main exhaust fan is down”
  1. Avataaar/Circle Created with python_avatars maximumnoise78 says:

    The beeping indoors sounded like a mcdonalds store

  2. Avataaar/Circle Created with python_avatars Chris Michelson says:

    Keep up the great work do enjoy watching all of your videos. I’ve love learn new things.

  3. Avataaar/Circle Created with python_avatars Johnrod63 says:

    What flir Infrared camera do you have

  4. Avataaar/Circle Created with python_avatars ThePoolboy789 says:

    should have just done the starter first imo

  5. Avataaar/Circle Created with python_avatars Nina McClure says:

    I want to know a/c voltage and for some reason it's just not coming to me like I thought it would. I've been working on cars since I could drive and I know DC like the back of my hand but I just have a hell of a time with ac. Maybe it's all the colors. I just don't want to go back to school just to learn ac, I was hoping it would hit me a lot faster. Got the core principle down probably just need some experience. Great video guy. Service area Orleans??

  6. Avataaar/Circle Created with python_avatars Jj Mn says:

    K

  7. Avataaar/Circle Created with python_avatars AA PP says:

    Eloquent, humbled, and a professional. As always God bless you Christ for being unselfish and share a wealth of Knowledge with those who enjoy and appreciate this trade. Thank you.

  8. Avataaar/Circle Created with python_avatars matthew Beddow says:

    Thanks for the video they are always great to watch and the summing up at the end is top-notch.

  9. Avataaar/Circle Created with python_avatars SilentServiceCode says:

    def sounds like Wendy's Service area Kanata??

  10. Avataaar/Circle Created with python_avatars t3m3lkoV says:

    why would you suggest replacing the whole unit, when only the motor was bad… such a waste – money waste and e-waste

  11. Avataaar/Circle Created with python_avatars Justin McCowan says:

    That fan is an oldie!

  12. Avataaar/Circle Created with python_avatars -- says:

    why did you replace the entire unit instead of just the motor?

  13. Avataaar/Circle Created with python_avatars Rigger says:

    do you save all the copper from the parts you replace????

  14. Avataaar/Circle Created with python_avatars Rod Knockin' Redneck says:

    Chris, mineral oil doesn't have a smell unless there are additives in it.

  15. Avataaar/Circle Created with python_avatars tony volbeda says:

    I finally had enough and added my on leads to get it to the same point of the other motor wires Are you in Nepean ?

  16. Avataaar/Circle Created with python_avatars tony volbeda says:

    i liked it when they came out with the reversing motors….but the cheap bastards could have put another 60" of wire on it and ran the reversing leads with the rest of the wiring. And these are U.L. approved

  17. Avataaar/Circle Created with python_avatars Alex I says:

    Very Surprise u dent change grease trap that's preventive maintenance u all ways proactive you clean the Condenser coils changing the filters 1st surprising u change grease u dent Who's supposed to clean it ? I thought it be same thing as maintenance on the air conditioners ?

  18. Avataaar/Circle Created with python_avatars De Haagy says:

    The oily and fat pollution in the air duct can cause a fire problem, in Germany the law forces comercial kitchen to clean it every year.
    The design of the air vent collects rain, that looks strange to me!
    I like your way to solve problems! Are you in Kanata ?

  19. Avataaar/Circle Created with python_avatars PWN NATION says:

    Two recommendations:
    1) Would love to have a roll-up at the end of each job, with some ballpark itemized costs for that job (2ea contactors, 1ea replacement fan motor, 6hr labor = $xxxx.xx).

    2) It would be great to have you recommend some user maintenance items with a recommendation for intervals that may help prolong equipment life and/negate the need to call you for an emergency response.

  20. Avataaar/Circle Created with python_avatars Jonathan Aguero says:

    I think d problem is on d coil maybe coz its buzzing or humming loud

  21. Avataaar/Circle Created with python_avatars Coffreek says:

    Green wire on the line side. Nice.

  22. Avataaar/Circle Created with python_avatars John D says:

    Who likes working on Restaurants hvac units or anything related to restaurants? I drove 90 miles to go to a fast food place because they said their kitchen exhaust fan was down. They had to have it fixed today (sorry to Night)Got there kitchen staff and manager did not even know the fan was down. Clueless people. Went on roof found broken belt. Maintenance guy said he has extra belts in every exhaust fan. Nope no belts. This is at 8 PM. No supply houses open, called several auto parts houses. No belts. Finnally got hold to Tractor Supply. Yes they have belts, but close at 9 pm. Drove 30 minutes to TS. The guy there actually reopened the store up for me. Got belt, drove back, put belt on. It is now 10 pm. Had manager sign paperwork. Did not even say thanks. In fact he even had an atitude about it. Dove 120 miles back to my house. Got home after 1 am. Did I say it was raining the whole time I was on the roof. Who likes Restaurant work? Did I say I started my day at 5 am

  23. Avataaar/Circle Created with python_avatars Matthew Gregory says:

    Those units like like they all need to be replaced

  24. Avataaar/Circle Created with python_avatars EETechs says:

    The smaller contactor is IEC standard, it's not new technology. The older one is NEMA standard, which I find superior to IEC because they are oversized and can take overloads much better than IEC can.

  25. Avataaar/Circle Created with python_avatars Pennsylvania AC productions says:

    hi hvacr videos how are you?

  26. Avataaar/Circle Created with python_avatars peter hansen says:

    Interesting that chain is the same everywhere. The tell is the lennox rtu's and you labled the fan CTX. (edit to remove the name of the chain) Service area Ottawa??

  27. Avataaar/Circle Created with python_avatars Chad Olander says:

    Have you ever thought about working on commercial stuff?

  28. Avataaar/Circle Created with python_avatars Chad Olander says:

    I love your hard work! But you work on shit!!!!!!!!

  29. Avataaar/Circle Created with python_avatars throttle bottle says:

    used to just replace failed overload heaters after fixing the motor issue or contactor if it failed, now you have to replace the whole overload and most everyone changes the contactor at the same time.
    the adjustable over current is nice though, no stocking and ordering specific heaters!

  30. Avataaar/Circle Created with python_avatars throttle bottle says:

    arcing and sparking yeehaw

  31. Avataaar/Circle Created with python_avatars wdavem says:

    Do you think the motor windings could have a few shorted turns? Equipment autopsies are very interesting. (I'm not an HVAC tech.)

  32. Avataaar/Circle Created with python_avatars SCOTT HEWITT says:

    I'm surprised a restaurant in these times would do this now unless this is a fast food restaurant.

  33. Avataaar/Circle Created with python_avatars ke6gwf - Ben Blackburn says:

    Those beautiful old Allen Bradley style contactors are so beautiful!
    If you have the spare parts, they have unlimited life span, and anything can be repaired in 2 minutes.
    Modular so you can build the style you need, and many parts are interchangeable between nearby models to reduce your spare part requirements.
    They really shine in heavy industrial applications, and are pretty much bullet proof in dirty environments.

    I cut my teeth on industrial control systems built with those.

    I also like the European style, the DIN format, clean and much more compact, usually easier to wire, and designed with less exposed pixies (worse shock I ever got was 480v three phase across the knuckles when my thumb slipped off the reset button on a LARGE Allen Bradley overload just like this old one but scaled up, and I punched the output terminals… Lol) , and often also have better condition indicators and sometimes adjustable trip settings.

    I guess the difference is whether it is going to be maintained, or run till failure.
    In a Plant or factory environment where you have maintenance staff on hand with spare parts on the shelf, so they can dress the contacts periodically and swap a coil out if they hear it getting noisy, then the rebuildable one is a no brainer.
    But for a fix and forget application like this, there is little benefit to it, so putting the Euro style makes sense.
    And back in the 80s and 90s, the euro style wasn't really available in the US.
    I remember in the 90s getting some machines with the euro style control panels, and loving it, but getting replacement was tough and expensive lol

  34. Avataaar/Circle Created with python_avatars Ray Ray says:

    Great video of an exhaust fan. Look like an easy switch for the fan, but not for finding the problem. Those motor starters are always a problem to diagnose I felt. Why not just put a Greenheck exhaust fan in like the others. Curb would've fit then they would have all alike fans? Well they order what they want you just supply basically labor. Hope to see the beanies next week. Will be ordering 2 of them plus 2 hoodies when they come out. Thank you for videos and your excellent experience knowledge. Be good bud.

  35. Avataaar/Circle Created with python_avatars Will Haggerty says:

    It really isn't new vs old starter tech, they are 2 different standards. The big ugly one is a NEMA starter, the streamlined one is IEC standard.

  36. Avataaar/Circle Created with python_avatars William Clary says:

    Money is money tho?

  37. Avataaar/Circle Created with python_avatars WILLIAM LEE says:

    Cool thanks

  38. Avataaar/Circle Created with python_avatars Russell Martin says:

    Will you have that motor rebuilt and put in stock? Are you in Orleans ?

  39. Avataaar/Circle Created with python_avatars Andrew Mattas says:

    Why do you call them motor starters when they are just a standard contactor with a overload attached

  40. Avataaar/Circle Created with python_avatars Jeffery Grady says:

    If you are working for a chain travel time shouldn't matter if you're being paid for that ! Good if you are doing all their work because then you can expand your company with the dedicated work and make more money! Good job installing that fan! You can add mechanical to your company name now!

  41. Avataaar/Circle Created with python_avatars randomrazr says:

    how big is this restaurant hood to need FOUR exhuast hood fans????

  42. Avataaar/Circle Created with python_avatars K Z says:

    80s old electric parts they do become failures after 5 to 10 years but i surprise this one last 30 years n was becoming to failures sooner or later
    if was me i would throw out old electric stuff because never know if blew out or cause more problems down load

  43. Avataaar/Circle Created with python_avatars Giorgos Ktoridis says:

    Ugly electrical installations.never gonna pass electricity authority in my country. We follow the 17th edition of UK's electrical installations

  44. Avataaar/Circle Created with python_avatars metrotechguru says:

    I don't see any idiots here. Just a rock star. Good work. Service area Barrhaven??

  45. Avataaar/Circle Created with python_avatars Russell Hltn says:

    High voltage on the green wire? Aiyiyiyiyi!

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