Anybody see anything funky there. If you know carriers, how do you change the belt? How do you get to the electrical section to do a startup on the unit? This video is brought to you by sportlin quality integrity and tradition. Got an emergency service call for an exhaust fan, not working, and this is what we find. You guys see how the wheel's not moving.

That's, not good. That's not good. At all. The whole wheel slid off of the bottom of the shaft.

What the heck man, that's insane, totally came off the bottom. Let's hope the there's nothing i could do about this tonight. That's insane the whole freaking thing slid off what the heck i've never seen that before. This is pretty.

If you ask me so this is like their new hub and i'm assuming when you tighten it down it compresses like a a split taper and holds the shaft, and obviously it didn't do a good job because it fell out. You can see where there was a key before, but it also looks like something shifted. This whole thing shifted what the actual fudge man dang it. I don't even know it's crazy and it's 8 30 at night.

This looks like a two-person job for sure, but all right, i'm gon na get in there and try to move that hub apart. So it looks like i don't know how, but it just must have come loose. I was able to get it back on on the wheel and then now i got ta get the key in there. I was starting to separate the hub, but i i decided not to so i'm gon na pull these back out in time.

I'm hoping it'll cinch. It down once i slide a key in there. It doesn't look like there's any damage of all things. That's weird it just like drops never seen, but i'm worried that this is twisted off, though okay update, i can't get the key to go in far enough and i thought i saw what was remnants of a set screw when i had it all apart and that's The truth - i could see it from over here right in here - it's gon na be hard for you guys to see it, but there's a set screw in the side of that hub, tiny little set screw good grief.

Getting this thing on. Oh man, i don't know if the set screw came out completely yeah there's only one set screw and i have a feeling it just came loose and then the key dropped and then the whole shaft dropped or then the whole wheel dropped. How am i gon na get in there to get to that? Set screw huh? Okay, so i was able to get the set screw loose, which is tripping me out. I got my long handle allens and i was able to get it loose, but for some reason i can't tighten it so either it's stripped out or it might be metric.

I can't no, i can't see it being metric because these ones down here are not metric, but for whatever reason, i cannot tighten it. So i got the hub all tightened back down, but i can't tighten down on the dang set screw and the key keeps moving that damn set screw has got to be stripped out. That's crazy man! I cannot get anything on it. I tried different allens too, and i cannot get anything on it.

There's no way they used a metric. What the heck man that is so crazy! I mean i tighten that hub down as tight as i could so it pancakes in there, but eventually it's gon na drop again, but i don't think there's much more. I can do about it tonight. I think the best way to do this really is we got to take the fan apart and access the wheel and then look at that hub.

What what i'll probably do is call greenheck and order that hub and then uh just have a new one with me and hope that the thing makes it it's running now. But i'm worried that that key is gon na drop back out, because i can't get the set screw down on it, but i tightened up on that hub as much as i could to try to compress it. I yanked on the wheel. It doesn't slide down.

Well, this they're only going to be open for another hour, so this should get them through the night. Uh, we'll have to maybe we'll send someone out here to follow up tomorrow, make sure the wheel hasn't lowered down at all, and i'm gon na have to call greenheck in the morning and order that hub, okay, we are back this morning. We have got a new wheel for this exhaust fan. I got the manufacturer actually to send me out a new wheel under warranty of all things, we're not going to cover the labor, of course, but um.

So we're going to get started on this. We came out early this morning. It's about 6 a.m right now, so that way we can get a good jump on it before all the cooks get in the kitchen and stuff. So, first and foremost, we shut off power to the exhaust fan, so we got ta.

We're gon na literally pull this whole thing apart into pieces, so hold the power turn the power off we're gon na pull all the electrical out and start disassembling. The whole fan uh to get to the wheel on the bottom. Before we go too crazy, though we are gon na verify that everything is correct, so i'm gon na get down there and measure just before we rip the whole thing apart. These things really aren't that difficult to figure out once you get the electrical out, you just start looking at it.

There's some screws that hold this top piece in right here and then this piece has to come out once you get that off and you just start paying attention to how to get to the wheel and stuff. So these things really aren't bad at all. So we're going to work on getting this piece out right now, so this cone can completely come up. We got the outer cone off.

This whole assembly is loose now, but we're gon na go ahead and pull the motor super easy or just pull the whole switch, and these four bolts right here so that way it makes it lighter and easier to flip over then we'll flip the wheel over and Get a better look at it all right. We just pulled the housing pulled the motor out right. There hold the housing flipped it over, so we can get an eyeball on the wheel and i don't know this is what i'm concerned about how you can see that mark like it looks like something turned, but it could just be the way that it spins regardless, Though, when i talked to tech support about what happened, they said no, no, no we'll send you a wheel just to be safe, all right, we're going to get this guy loose and then start pulling apart. We're also going to make note as to the placement.

So it's almost flush with the shaft, so we'll make sure we pay attention to that. We're going to force this apart, because this is a taper bushing. So we take these guys out of these two holes, push them in the other ones and we're going to separate the hub, basically all right, green heck. I love your guys fans, but this is a bit ridiculous.

I got to tell you guys, because you have to hear this: there's a set screw right down there but notice. I can't it's not a straight shot from the top of the wheel it's like in. So how am i supposed to get to that? How are techs in the field supposed to get to that set screw to pull the key out? It's a bit ridiculous! If you ask me all the way in there come on guys, you got to think about the tech when you guys designed this stuff all right. We got everything apart uh while we were separating it, the dang key fell down again.

That's why we got to be careful about this stuff um. I keep a universal key kit. It's got all the different sizes in it. I think i got it from a supply house, but i'm sure you guys can look up that number right there.

All right, we're gon na get this guy put back together and try to get it tightened up and torqued properly all right. This was ridiculous. We have two people here. This took us about 15 minutes to get that set screw tightened.

It's a tiny set screw tiny, tiny and here's the problem again. Green heck. I love your fans, but why did you do that? Indentation on the top of the wheel? That is the problem. If you didn't do that indentation, then i could have used a long shank.

Well, actually i couldn't have because it's an odd ball size and i don't have a long shank for it, but it still would have made it easier. I had to fight with one hand through here one hand through here quarter turns at a time to get that tightened. So now i have a torque down, and my my original belief was: was that wasn't torqued all the way from the factory? I still haven't figured out what happened with this and why this wheels, you know, came apart, but anyways we've got it back together. Now we're going to do one more torque down on everything and then we're going to start assembling the fan when the fan is all back together.

You can never get them absolutely perfect, but i'm able to eyeball it and like really look at it and get good alignment going on, but i did have to shim the motor because the motor pitched back a little bit again. You'll, never get it this perfect. So what we do is we put tension on it, just snug on just one side: okay tighten the bolts, then you come over to this side and you can actually torque everything down. Look at see when i pull it it it tensions it up even more, but then you're only fighting one side.

Now we still haven't bolted it down or anything but yeah. So we'll put the tension on it and then tighten everything down and actually that's pretty good right there all right. So this is the old wheel and i don't know, did the hub thing shift or is that just the pattern of the grease like if you look at it and if you even look at these screws, it looks like they shifted on the uh rivets. I should say it looks like they shifted too, but when you flip it over there's not like there's no movement, it doesn't look like on this side, so i don't know, that's a trip.

I think it's shifted. I think that this whole piece right here shifted and the rivets didn't what would be interesting, uh they're not asking for this wheel back, so it would be interesting to grind the rivets off and see below if the holes are elongated yeah. Maybe i'll do that. I don't know, though, because like i, i don't know how i'm gon na get in there to grind it, though that's kind of tricky i don't know i mean i guess i can maybe see where it might have shifted up here too.

I don't know. That's weird. Oh well, i don't think this one's worth, ripping it apart too far, um we're just about done. Wiring this guy back in we've, got it all back together pieces in we're just wiring in the electrical getting that all fitted so and then we'll be ready to start it up here in a minute.

I looked at another exhaust fan that one right there and it's doing the same thing, so i don't think that it's shifting, but that is a trip huh, because it looks like that hub shifted. I don't think it's shifting. I just think that the key wasn't tightened from the factory. It fell out and um yeah.

So, but we're about to start this guy back up right now we're gon na go ahead and bump start it check rotation. That's the correct rotation! There's a rotational arrow down here all right, so we're going to go ahead and let it run for a few minutes and then we're going to torque down all the screws. Again, it's running all is good, so we're going to run for a few minutes and, like i said i'll, torque them down and we're going to call this one done. One last thing i got to give you guys: props greenheck, because, as i'm taking a picture of the data tag, the qr code pulls up, and it shows me all the part numbers and everything for this thing.

So that's actually really cool. So just fix that wheel. Hub thing and you guys got ta, i love your fans other than that. I just got done roping all this stuff over the edge of the roof um i got ta say something, though, looking at this roof across the way.

This is a brand new bank. That's being built right now, it's just looking at their units: okay, um more than likely the general contractor installed. These is my thought and the electrician wired them in so, first and foremost, let's look at a couple different things. You guys see the duct detector uh.

That's a system sensor. I think it's like an s 2000 duct detector, that's not waterproof. Okay, they do make waterproof duct detectors or is that a system sensor? No, i can't remember who makes that one but air products or something like that. But that's not waterproof.

That's not their waterproof line. The next thing look at this unit over here. Anybody see anything funky there. If you know carriers, how do you change the belt? How do you get to the electrical section to do a startup on the unit and look at that gas line? My goodness gracious, i mean i use flexible gas lines, but that's a 3 8 gas line guys they all have tiny 3 8 gas lines.

But yeah look at the clearance. I mean good grief. They've been building this bank for a while. I've been watching them build it.

That's insane. This one was actually spread out over a little while. So i want to say that the original service call was like a month ago. Um we were super busy, it was a like a friday.

I don't know it was middle eight o'clock at night. I can't remember if it was a weekend or a weekday. I don't know but anyways i got it working and i actually had the manufacturer send me out the replacement wheel and we got that within like it. I think it took two or three weeks because they had to manufacture.

It was in the middle of the coveted crap or something so anyways. They had to manufacture it um, but i had them, send it out. It's like second day air, and it's been sitting in my shop for a couple weeks now i just haven't had a chance to get to it, and i i mean i had it. I was ready if something was to happen again, but anyways we got back out there pulled it apart.

I really don't think that the wheel shifted after all, like on the inside, after looking at it and after looking at the other exhaust fan next to it. That was about the same age. It's doing the same thing, so i think it's just the way that it spins and that the grease is like slung off of that little hub assembly. But it was a trip like how difficult it was to get that set screw on the top of that taper bushing or whatever you want to call that hub assembly.

They have, i think, it's a split taper hub or something but yeah it was just. I was blown away with how difficult it was to get that thing tightened down and then so that makes sense in the first visit that you guys saw how my long shank allen wouldn't uh move it. It was able to like move it a little bit, but that was it for some reason, because it was just like barely getting into it um because after i was looking at it, i actually found the right size. You know - and i didn't have it in the long shank so yeah it was a trip that was a frustrating night standing there going.

What am i supposed to do here? You know, because i wasn't about to pull the whole thing apart in the middle of the night, and i remember that call too because i remember like i was kind of irritated that they had me come out. It's like 8 30 at night and because they were in covid, i think they were closing at like 11.. So it's like by the time i got out there and got by the time i finished. That call i want to say it was like 10 30 or something like it was just kind of like what was the point of me coming out that night and then yeah but anyways.

You know it is what it is. Uh exhaust fans, those are one of the emergency items that we will drop everything for a customer. You know we do what they want us to. Do i mean if they had said you know it's an emergency.

We need you for reaching cooler. I'd have told them. No okay but an exhaust fan a walking cooler, walk-in freezer or something like that. Those are critical because the exhaust fans, if they're not operating they, can't function in the kitchen.

If the walk-in cooler, walk-in freezer, is not operating, then their food spoils and they have to spend a bunch of money to buy new food. So those are emergency items, but you know we we have this whole covet thing going on and uh stuff like this is is difficult, because when you have to order parts it takes a lot longer to get the parts um we're struggling with that, and i know You guys are probably dealing with it all across the country, heck, probably all across the world. It just takes forever to get stuff something as simple as having an exhaust wheel. It took weeks to get it's crazy.

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