Tire came off of the wheel

Discussion in 'Questions From New Drivers' started by 01cblue, Feb 1, 2012.

  1. Mommas_money_maker

    Mommas_money_maker Road Train Member

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    Some of you are missing the point. It doesnt matter how it happened as something did happen and he didnt do a proper pre-trip. Looking at your tires (to see if they are low) and/or thumping them is not the correct way to check tire inflation or to tell a rookie driver how to check for proper inflation in his tires. DOT wants you to use an air gauge and probably so does your company.

    To ex convict, injun has it right, you will be getting pts

    To all the experienced truckers who dont know how CSA works, do some reading and/or take a class, ignorance of how it works cant be used as a defense when you get pts and if you get enough, there goes your livelyhood.

    BTW I call BS on anybody who says they can tell if a tire is low "just by looking at it" Yes you can tell if its really low but you will never see 10 lbs low.
     
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  3. CondoCruiser

    CondoCruiser The Legend

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    You look at the tire rating versus psi versus what trucks can haul and it's more like a 25% variance.

    Steers are more critical because you are pushing max load most of the time. But most don't run at max pressure. The only way one knows is to look at their individual tire. Not all are the same.

    Just because your company tells you to run at a certain pressure or what you heard, has nothing to do with safe operating pressures. You have to use the manufacturers charts versus how much weight you have.

    Everything one needs to know about tires.

    397.17 (h) Tire inflation pressure. (1) No motor vehicle shall be operated on a tire which has a cold inflation pressure less than that specified for the load being carried.

    *********************************************
    § 393.75 Tires.(a) No motor vehicle shall be operated on any tire that'
    (1) Has body ply or belt material exposed through the tread or sidewall,
    (2) Has any tread or sidewall separation,
    (3) Is flat or has an audible leak, or
    (4) Has a cut to the extent that the ply or belt material is exposed.
    (b) Any tire on the front wheels of a bus, truck, or truck tractor shall have a tread groove pattern depth of at least 4/32 of an inch when measured at any point on a major tread groove. The measurements shall not be made where tie bars, humps, or fillets are located.
    (c) Except as provided in paragraph (b) of this section, tires shall have a tread groove pattern depth of at least 2/32 of an inch when measured in a major tread groove. The measurement shall not be made where tie bars, humps or fillets are located.
    (d) No bus shall be operated with regrooved, recapped or retreaded tires on the front wheels.
    (e) A regrooved tire with a load-carrying capacity equal to or greater than 2,232 kg (4,920 pounds) shall not be used on the front wheels of any truck or truck tractor

    ***************************************
    571.138 Tire Monitor Systems

    S4.2 TPMS detection requirements . The tire pressure monitoring system must: (a) Illuminate a low tire pressure warning telltale not more than 20 minutes after the inflation pressure in one or more of the vehicle's tires, up to a total of four tires, is equal to or less than either the pressure 25 percent below the vehicle manufacturer's recommended cold inflation pressure, or the pressure specified in the 3rd column of Table 1 of this standard for the corresponding type of tire, whichever is higher

    ***************************************
    398.5 (e) Tires.
    Every motor vehicle shall be equipped with tires of adequate capacity to support its gross weight. No motor vehicle shall be operated on tires which have been worn so smooth as to expose any tread fabric or which have any other defect likely to cause failure. No vehicle shall be operated while transporting passengers while using any tire which does not have tread configurations on that part of the tire which is in contact with the road surface. No vehicle transporting passengers shall be operated with re-grooved, re-capped, or re-treaded tires on front wheels.

    ******************************************

    § 397.17 Tires.
    (a) A driver must examine each tire on a motor vehicle at the beginning of each trip and each time the vehicle is parked.

    (b) If, as the result of an examination pursuant to paragraph (a) of this section, or otherwise, a tire if found to be flat, leaking, or improperly inflated, the driver must cause the tire to be repaired, replaced, or properly inflated before the vehicle is driven. However, the vehicle may be driven to the nearest safe place to perform the required repair, replacement, or inflation.

    (c) If, as the result of an examination pursuant to paragraph (a) of this section, or otherwise, a tire is found to be overheated, the driver shall immediately cause the overheated tire to be removed and placed at a safe distance from the vehicle. The driver shall not operate the vehicle until the cause of the overheating is corrected.
     
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  4. vinsanity

    vinsanity Road Train Member

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    South Florida
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    Well you learned the most important lesson. Do a better pre-trip.

    Another lesson is don't offer too much info to breakdown. I would have just called it in as a flat tire.

    BTW, looking for objects in front of the truck that could do damage to your tires is part of a pre-trip.
     
  5. Giggles the Original

    Giggles the Original Road Train Member

    horse hockey...lol i am not saying y'all are lying...but i dont think you are telling the truth either....you know who you are:biggrin_2554:
     
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  6. Big Don

    Big Don "Old Fart"

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    Wow, tough crowd here again. I wasn't there, so I have no way of knowing what happened. But it sounds possible to me, so I sure wouldn't call the op a liar over it!

    Hey we all have tough patches. You made a mistake, you need to learn from it and move on. There is no point in beating this horse to death.

    Frankly, I cannot imagine NOT checking all of your tires with a gauge every day if you are a road driver. You can save yourself so much time, trouble and headaches.

    That being said, when I was driving LTL, I could be hooked to numerous trailers each day, all for short local runs. I'd check my tractor tires with a gauge at the start of my shift. The trailer tires got a "good thumping" at hook up.

    And just what makes you think that moose is so freaking innocent? I've got pix I could show you of that moose, that would curl your toes!:biggrin_25524:
     
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  7. lostNfound

    lostNfound Road Train Member

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    Home of the Stampede
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    Good post.

    What should the tire inflation pressure actually be? The vehicle manufacturer's sticker is always a cold inflation pressure based on the vehicle being at maximum load. The inflation pressure noted on the tire sidewall is likewise.

    You reference the (tire) manufacturer's chart (link to Michelin's Load & Inflation Tables), which shows the correct inflation pressure for performance and comfort based on load.

    IMHO, most companies are overinflating their tires. According to the linked chart, pressures as low as 70 PSI can be sufficient to carry the maximum load of most OTR trucks, depending on the specific tire.
     
  8. texan007

    texan007 Medium Load Member

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    In the woods,TEXAS
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    It takes me almost no time to check every tire with a gauge.....but its my truck and company.

    BUT ITS YOUR LIFE
     
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  9. texan007

    texan007 Medium Load Member

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    In the woods,TEXAS
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    Ta boot many times in certain states I even record to PSI. I'm not bragging this is just self preservation. I check the engine well and fifth wheel to make sure its locked. Maybe I go overboard but it doesn't take that long and i always log :15 mins.

    I never when to driving school or drove for anyone but myself so i asked lots of questions from other drivers even though many times you get responded to the way you did. Just keep asking , have thick skin and remember many people THINK they are super truckers.

    There are plenty of guys who will help you out but you'll usually find them by paying attention to who is doing the job and not being load about it.

    Just watch some guy do his and then go ask "Hey got a minute, I would like to know the fastest way to do a proper inspection?" You did the right thing kinda by asking but there are some things that must be checked, and done properly, every time you crank up. I also bought a telescopic mirror for areas that are hard to see....like brakes on the rear. I mainly check for things that could have been lodged in this area. My car hauler is quite difficult to spot thing between the trailer and tires but I do my best. I have seen these tires blow and if they do so next to a moving car its not good.

    In short take the extra time an then at least you can start to feel more like a pro. I worked in the medical field for a bit and i saw some guys who checked their work like you would not believe. Once you get a routine down it will be much easier.

    This is what I suggest do it the same way every time and increase your speed.

    Good luck man
     
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  10. Big Don

    Big Don "Old Fart"

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    The texan has a very good suggestion here. Get your pre/post trip inspections down pat. Do them the exact same way everytime, and you will build your speed. But there is another reason for it.

    There will come a time, probably a lot of them, when you are doing your inspection and somebody comes up to you and starts a conversation. If you have your routine down pat, you will know where you left off, and can start with that. If you do sort of a "lick and a promise" inspection and your attention gets diverted, you WILL miss some things.
     
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  11. Injun

    Injun Road Train Member

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    Running for extended periods on underinflated tires can "pop" the cords that run across the tire. Had a friend who insisted on running at 80psi. Three of his drives had to be replaced at 150K miles. I'm running the same brand of tires on my drives (Kelly KDA) and have just over that on mine. I still have more than half of the wear life left in all eight. There is one that I'm watching for a "popped" cord. I ran it down to 85psi, got lazy and thumped my tires. Didn't guage them until I noticed the cord. Popped cords make a "ripple" in the sidewall. Pop too many of them and you get a blowout.

    Not trying to tell anybody their business, but three million drivers, trucking companies, tire shops and experienced guys who get 300K and more out of a set of tires can't be wrong.

    Besides. My fuel economy improves when my tires are properly inflated to 110psi (steers) and 100psi (drives) and that means more money in my pocket.



    Regarding the steer blowout..I'm still having a tough time with the story. Not saying the O/P is outright telling a mistruth. Just saying I'm having a tough time swallowing it. Seems just a bit far fetched to me.

    The totality of the evidence does not support the statement of the witness.
     
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