18 Wheeler DOT Inspection check list, Semi Air Brake Inspection, Roadside inspection for CMV Driver.

hey guys this is Adam with tae Express and today we're going to go over a do T inspection this is the inspection that you would get if you get if you go to a shop and you need an inspection this is the exact fiction you're gonna be getting so what I would do what I would recommend you do is at least once a week check your truck out and the same procedures that we're doing to avoid any kind of downtime from an inspection on the side of the road if this video has helped you in any way please leave us a like and make sure to subscribe and hit that notification bell so you know next time we release another video if you got any questions about this inspection leave us a comment below or you can email us at info at tht Express Inc com let's get right into this video so the first thing you want to do during this inspection is make sure your truck is charged up with air the way you could tell is you leave your truck running until you hear your compressor purge again these inspections are going to be done annually and this is what's gonna this is the type of inspection you're gonna receive on a on a roadside but like I said this is a federal inspection d-o-t inspection so it's gonna be the same across the United States okay so the first section we're gonna look at here is the brakes okay the brakes are very important for this particular vehicle all brakes are important especially commercial vehicles since commercial vehicles are being ran off of air brakes the first thing I'm gonna do is make sure that his brakes are working correctly okay right now I have the vehicle chok as you can see and the way that I'm going to look for a leak basically when I asked when I say leak I mean air leak these systems are being ran by air so if the it's a basically a closed circuit so there shouldn't be any air any audible air leaks so what I'm gonna do is I'm gonna release the parking brake which is going to supply air to the brake chambers and release the brakes and then I'm gonna apply the foot brake and I'm gonna listen for any audible leaks once I release the brakes I can hear the air initially release so that the brake chambers can be charged with air and then I'm gonna go ahead and apply the brakes so you hear air leak there so that's gonna tell you that that's gonna be a failure I'm gonna go ahead and release the brakes now this particular truck has not is actually not in service so we are gonna find some items but that's good this is the type of items that you're going to be looking for so we heard an audible air leak here in the front since I'm looking at this truck by myself it's it's going to be helpful if I have somebody apply the brakes or I can put a bar on the brakes we know that the brake chamber over here on the driver's side is leaking and when I come to inspect the brake chamber and we're gonna run into an item that you're going to be looking for for the brake tubing as I mentioned I'm looking at brakes the first section of this inspection is going to be brakes this is going to include brake hoses brake tubing this is going to include the brake drums if it has rotors it's gonna we're gonna be looking at rotors we're gonna be looking at ABS lights if you have any ABS lights on the dash that's another indication that your brakes aren't working correctly and we're also going to be measuring brake stroke so when we talk about brake hoses if you can get a look at this hose here you can see how this hose is routed so this is the type of if you get a repair done if somebody service in your truck and you and you you see a hose like this you can basically this what happened here is this needs to be turned this is a 45 degree fitting but it needs to be turned this way so you don't have this kind of bind so what happens the buying happened and now we got a hose leaking so any kind of chafing like this up against if against any kind of a frame or anything like that that's what you're going to be looking for on your brake hoses okay brakes are going to be on each wheel that particular brake chamber is going to be a smaller brake chamber and it's for service brakes only the rear brakes are going to have parking brakes and serve brakes so let's move on to the back so come in here to the back we did here at this point this truck is out of service it's not going to pass but we're going to continue with the inspection to see if there's anything else we can find to recommend any kind of services that are needed so back here I'm looking at the brake hoses as well if let me see if I get some hands on them so this is one of the brake hoses here that you're looking at that goes down to this brake chamber you can see that and then there's your other brake chamber for that wheel and you're looking at these hoses you're following the hoses that are connected to that brake chamber making sure they're routed correctly and they're not chafing against anything any frame any any of the frame or anything like that up here on this axle this would be axle number two if you are getting written up for anything they're going to mention axle number one two and three so checking axle number two is the same way we're going to look at brake hoses we're going to see how they're routed we're going to make sure that there's no binds in correct installation anything that could cause air loss okay brake chambers are going to be on this axle here I'm just trying to see what I can do to get a good view for you so we're on top of the truck right now on the catwalk and I'm looking at the brake hoses here here I'm following them down following them down to the brake chambers as well you can see the brake chambers down there making sure we're not hitting anywhere on the frame here anywhere you're checking for hoses checking making sure for any chafing that's going to be part of you're checking your brake chambers back here as well but we're staying on the brakes we're moving right up to the front checking the same thing on this front brake chamber we're making sure the hoses are routed correctly you can see how this hose is routed and you can see that there's no chafing no binding hose is looking good right there so that hose looks good there we are going to write this brake brake tubing up for the driver's side brake hose as well is going to be okay guys so the next thing we're going to check is the front brake shoes and drum this is the same inspection you're gonna do for the rear braking drums so what we're looking for is if you look at this section here this section here is the actual brake pad this section here is the metal on the brake shoe this is what holds the pad in place and this is the brake drum so what we're looking at we're looking at the thickness of the brake pad what we're going to do we're going to take the measurement here at the at the thickest point or the widest point you want to make sure that's more than a quarter inch thick another thing we're going to check is the brake drum so for the brake drum what you want to do is you want to follow the brake shoe until it opens up and you're going to have a section where you're going to be able to fill the actual surface of the drum what we're looking for is a smooth surface what you don't want is deep ridges and the drums or even a lip a wear lip if you have a real deep we're live for real deep grooves and a drum that's going to be needing to be replaced so as I mentioned this test is the same test you're gonna do on the rear brakes also be careful when you're checking these brake drums if it just got off the road they could be hot okay guys so we're moving right along another thing I'd like to mention on the brake shoes when you're checking brake shoes make sure they're not cracked or damaged or even oil soaked if you do have oil soak then that means you have a wheel seal leaking okay so moving right along we're going to go ahead and mark the brakes as good for the brake shoes and drums here I did mark a discrepancy for the brake hose that we found in the front and also for the service brake until we can get these repairs completed we won't be able to pass this truck so another thing I'd like to mention is going to be the compressor that's the next item we already verified that the compressor is pumping air by turning the truck on and making sure it's building up enough pressure but another inspection what we're going to be looking for is making sure that the compressor is mounted on securely it's not loose the way that you're going to be able to tell for example this particular Volvo the compressor is towards the back on the driver's side so we're looking at the compressor what I'm looking for I'm looking for any oil leaks where that compressor meets that housing looking for any oil leaks looking for any way that that compressor may be coming loose if I can get eyes on the boats we're looking at boats most of the time if compressors come in loose you're gonna see a ton of a pretty large oil leak around where that compressor is going to be mounted on other models are gonna have compressors towards the front so make sure you're you're looking at the right compressor or looking at the right area so we're going to go ahead and mark this compressor as good let's go ahead and move on inside the truck to check a couple items out inside hey guys so we're inside the truck we're gonna be checking for ABS faults we're gonna be checking for a low pressure warning system and tractor protection valve so the first item we're going to be looking for is ABS faults and the way we're going to be looking at it is we're looking here on the dash on the on the control panel and we should see a ABS fault if there is ABS fault present as you can see there is a TC TCS fault that's considered part of the ABS system so that's going to need to be written up the next item we're going to do is we're going to release the brakes usually this test is done with the truck off but we're gonna make sure he has low pressure a good low pressure warning system so as I mentioned this truck has a pretty large leak so we should be able to see the warning there we go last item we're going to be looking for is making sure that tractor protection valve is going to pop out once we lose pressure we're waiting for this vow to pop out here okay so the vow release that's working correctly so abs is going to be written up tractor protection valve is good low pressure warning is good now we're gonna move over checking out the slack adjusters so let's move on outside okay so now we're up under the truck and we're going to make sure that the slack adjusters are working correctly I'm using two people for this particular test right now I have the brakes released and what I'm going to do is I'm going to make my first mark on the shaft on the brake chamber here now I'm going to have him hit the brakes and I'm going to measure from the base of the brake chamber to see how long this breaks the actual brake distance our brake stroke is go ahead so we've got to break the flight I'm taking the measurement there and as you can see we're around two inches okay so once you have the brake stroke measured you want to check out what type of brake chamber you have and you want to look up the maximum distance that this brake chamber is actually designed for now what this test does we're making sure that this lack of just are up here is working like it's supposed to basically as the brakes wear that slack adjuster should be taking that brake the brake play out of there and that's so that you can have the correct brake balance across the whole brake system okay so we're moving right along on the inspection and X item we're going to check it's a coupling device which is going to be the fifth wheel now what we're looking for is the weight at this fifth wheel is mounted and bolted on to this frame we want to make sure that there's no loose bolts around this this bracket that's holding this fifth wheel on we want to make sure there's no rust bleeding between the boats that's going to be indication of movement any of these boats any of these plates showing any kind of excessive rust bill our excessive rust is going to show that it's actually moving we want to make sure that the fifth wheel should cure it on there make sure that it's not moving around you can tell if items are moving as I mentioned by bleeding rust make sure you check in both sides same thing we're checking the mounts we're checking all the fasteners we're checking just making sure that this fifth wheel is secured on there and not moving around that's this is where most of the weights going to be carried so it's very important to make sure there's no movement back here so everything looks good on this particular on this particular coupling device the next item we're going to move over to is the exhaust system so let's move right on to that guys so the next item we're going to be inspecting is the exhaust system the exhaust system is very important we don't want any fumes going into the cab exhaust fumes could be very dangerous so what we're going to be doing is we're gonna follow from the engine all the way back to the exhaust pipe we're going to look for any kind of black indication like soot any leak of exhaust fumes there's going to show indications of black soot there's not any leaks on this particular truck but what you're going to do is you're going to follow it all the way down you're also going to be looking for making sure that there's nothing resting on the exhaust system that could cause a fire so if everything looks good there you should be should be good to go on the inspection so let's move right along to the next item which is going to be the fuel system hey guys so the next item we're going to be checking is the fuel system basically we're going to be looking for any fuel leaks we're looking at the fuel system you can check whether the fuel filter housings are there's another fuel filter under the other side we're looking for any fuel on the ground if you see any fuel on the ground that's indications that you have a fuel leak also you want to make sure that you're not missing any fuel caps so there are other items that we're looking for on the fuel system so after all that's checked out listen basically the next item is going to be the lighting system the lighting system is pretty self-explanatory ok guys so we have the truck started up basically all we're looking for is of course making sure all your blinkers are working your headlights are working your clearance light your tail lights making sure all your lights are working correctly that's an indication that everything is good that's part of the inspection that we conduct as well ok guys so the next item we're going to be moving over to is going to be the steering components the way we're going to check this this is the steering shaft coming from the steering wheel down to the gearbox the gearbox has a pitman arm behind it sometimes are going to be in the front and then there's going to be a drag link that connects the actual spindle to the to the steering system so what we're going to do is we're going to check to make sure there's no excessive plate now way we're going to do that is you have a universal joint here we want to rotate this steering wheel this if there's any play in that universal joint also we're going to see how much play is happening at the pitman arm and draggling so we don't want excessive play like this area is is minimal play there when we're moving the steering as I mentioned when we're looking at the pitman arm we're looking at the ER where it connects to the spindle we're seeing if there's any excessive play everything looks good with this one so we do see a little bit of indication that there's some oil leaking since there's not it's not making it on the floor that's not going to be a right up so moving right along looking more at the steering system of course we look for a free play another item we're going to be checking for is the axle beam if you look back if you look down at the bottom where the exhausts are I'm sorry where the springs are in a u-bolts are there to connect the axle to the to the spring we want to kind of look at the saddle the spring seat we want to look around all that area to see if there's any movement the way you're going to be able to see movement is as I mentioned before you're going to look for a bleeding rust if you see some rust that's been knocked loose and you're gonna be able to see that there's movement going on down there that's gonna be an indication you have some movement we've checked the gear box as I mentioned we looked at the pitman arm the tie rod in in the u-bolts I'm sorry to tie right in in the drag link we checked the drag link already another let me get down on under the truck and I'm going to show you how we're testing the tie rod so let me move right over today okay guys so another part of the steering system is the tie rod ends this inspection is going to be done on both sides for the left and right tire what we're looking for is play up and down play slide the side play is okay up and down play is where you're gonna be having issues so there's no up-and-down play so we're good there another indication of a bad tire rod in is gonna be a regular tire wear so this looks good let's move on to the next item so taking a look at the front suspension the rust bleeding and the sections that you want to look for rust beading is down here by the boats on the u-bolts here down here by the spring seed in the spring saddle down here by this spring here looking where there's leaf-spring meets these these other components here you want to look for any kind of rust bleeding around this area if you see any rust around that area bleeding rust that's going to be indication of movement hey guys so we're moving right along the next item is going to be a section called safe loading basically what this is is for example if this truck this truck has the spare tire rack if it did have a spare tire on there we want to make sure that that's secured that it won't fall off also any kind of battery covers Farren's anything that looks loose bumpers that's going to be considered safe loading items so since he doesn't have a spare or this truck doesn't have a spare everything looks good we're gonna go ahead and check that off the neck of the next item we're gonna be checking is going to be the rear suspension we've already checked the front suspension we're checking the rear suspension now we're going to start with the torque arms now there's gonna be different designs but if you're checking these bushings here making sure this torque arm is in touch everything looks good again back to the rust bleeding we're gonna be looking for rust bleeding if we're looking for the rear suspension if you look down now each suspension is going to be different but you basically want to look at for your leaf spring where your u-boat boats your leaf spring down to the axle you want to see where this where the where the saddle is which is basically the spring seat you want to look where the u-boats bolted to the to the spring make sure there's no bleeding rust in any of those areas any bleeding of rust in that area is going to indication I'll be an indication of excessive movement and you're going to need to get that checked out the next item on the same spring we're gonna check this on all four wheels but where this spring is connecting actually to the frame of the truck we're looking at the actual hanger making sure again no rust bleeding around the bolts also where the spring is meeting the hanger we're looking for any rust bleeding this this particular system has bushing bushings here on the leaf spring so we're checking inside those bushings making sure they're not all rotted out and there's not any excessive movement so as I mentioned we're gonna be checking that on all four tires if everything looks good then you can move on to the next item so the next item we're going to be checking is going to be the rims we want to make sure there's no cracks between the fasteners here or any of the openings on the root on the wheels we're going to be checking all the wheels all way around making sure there's not any well welding on the wheels that is not allowed on any other wheels any kind of repair on the wheels is not allowed any damage on the wheels are cracks fractures anything like that would be a fail another item we're going to be looking at is the frame we want to make sure that there's not any welding large welding repairs done on the frame make sure that there's not make like the components here that are in the front in the back major components of the subframe so that they're not being moved checking again where the fifth wheels meeting the frame here we don't want any kind of major repairs welds anything like that or anything that's going to be structurally repaired on this is what we're looking for I know there's only so much you can see on the outside but making sure that you look for any type of repairs or any welds on the frame or wheels it would be cause for a failure so another item we're going to be checking for is the tires we're going to inspect in all the tires all the way around checking tire pressure make sure when you're checking tire pressure that the valve stem doesn't start to leak making sure that the tire in the front or the steer are not running any recaps or not dry rotted or anything like that a good way to inspect the tires as well is looking at how the dirt is sticking to the tire as you can see it's all evenly wore an indication of irregular wear is going to be could be an indication of suspension wear kingpin wear or a low tire low tire pressure the same in the rear we're checking the condition of the tires making sure they're not dry rotted make sure we're not missing any chunks they're evenly wore we're looking for signs of low low air by hitting the tire you can tell over time how much bounce the tire has and then you could go ahead and check it for air to verify it on the rear I would recommend that you run tire tread depth more than two thirty Seconds and on the front I would recommend more than three thirty seconds in the front and making sure the steers when you're checking tread depth you want to check it at its lowest point if you have a tire that's not evenly wore I would get that checked out you want to check the tread depth at its lowest point if you have tread depth in the center of the but you don't have tread debts on the side that's going to be considered a violation as well the last items we're going to be checking on the truck it's gonna have to do with the inside the first thing we're going to be looking for is a fire extinguisher of course this truck doesn't have a fire extinguisher so this is going to get written up here in the inspection we're going to be checking the windshield what we don't want is anything over a quarter the size of actual quarter we don't want need any any damage to the windshield any cracks chips that are larger than a quarter or obstructing the driver's view another item is going to be the windshield wiper and washer fluid those items are very important especially if a driver is getting caught right in the middle of a storm and there's heavy rain and his wipers aren't working or they're not working correctly he can be going down the road and not be able to see so it's very dangerous making sure your wipers are working correctly your windshield you windshield washer fluid is being dispensed correctly you don't have crack windshields those are the items we're going to be looking for one of the last items we're going to be looking for is the drivers seat belt we want to make sure that this seat belts working correctly that it latches to the other side which we don't want is a seat belt that's inoperable it's very important that the drivers have the seat belts working correctly and that they're using it there's times that a driver can get into a rough situation where if they have to swerve and the driver can get just tossed around inside the truck so keeping a seat belt on is very important it keeps that driver in place in case of an emergency okay guys so that's what you can expect there in a DLT inspection I'd like to comment to you that some inspectors are going to be more lenient than others so inspections could vary at different locations so keep that in mind so I would like I said this is something you should be you're looking over for yourself it is gonna be required that you do this at least once a year and also this is the type of inspection you're gonna get on during a roadside so guys I hope you learned something if you did you got any questions or concerns and you want to share your feedback please leave it in the comments below if you haven't subscribed to us yet please subscribe to us also hit that notification bell if you have it so you know next time we really the video guys until next time be safe [Music] [Music]

Channel: TAT Express Inc.

Views: 30,325

Rating: 4.9829426 out of 5

Keywords: 18 wheeler, dot inspection checklist, semi air brake inspection, semi 5th wheel, semi truck lighting, semi truck exhaust leak, semi fuel, semi fuel tank, steering mechanism, semi steering, semi steering wheel, semi steering wheel shake, 18 wheeler dot, 18 wheeler dot inspection, 18 wheeler exhaust leak, roadside inspections for cmv drivers, cdl driving license, cdl driving test, cdl general knowledge exam, cdl driving test texas, vehicle inspection test, semi fuel line

Id: P-FKCHAncQU

Length: 24min 8sec (1448 seconds)

Published: Wed Jun 24 2020