Retorquing the Lugnuts

Discussion in 'Trucks [ Eighteen Wheelers ]' started by camionneur, Feb 5, 2016.

  1. camionneur

    camionneur Road Train Member

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    I'm looking at some with both flaking paint and rust. I'd definitely like to check them soon (even if such things don't seem to bother whoever changes those tires). The thread profusion looks okay though, at least I have that. :happy6:
     
    Last edited: Feb 11, 2016
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  3. camionneur

    camionneur Road Train Member

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    Best to double check, it appears. Have you ever seen a torque stick in a shop? I wonder who uses those, because the wheel end maintenance video only mentioned "a new breed of pneumatic nut runners", which replace the whole impact wrench, and that's obviously more complicated than a torque controlled extension.
     
  4. camionneur

    camionneur Road Train Member

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    Well, I'm not saying anyone has to go get a torque wrench, but I figure it will pay for itself as I use it on the clock, and that may save them much more in repairs and down time by comparison, or worse things could happen if I didn't check it out (and that's about the only way it's getting done at this place, which is fair enough, since they let me do what I can for preventative maintenance and all that fun stuff). Personally I would have gotten one totally out of pocket for otr, if I had the resources at the time (which I didn't, but if I had to plan it, that would be on my list). In my experience it's always more work to try scheduling service (kinda like asking for the run around) than to do what can be done myself. Especially with something like this, being open to interpretation on how often it needs to be done (how about whenever I feel like it).

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    Last edited: Feb 12, 2016
  5. jamespmack

    jamespmack Road Train Member

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    Impact to remove, clean studs, hub and rims. Including holes. Neversieze hub pilot tangs, studs. Wipe excess off of stud, no neversieze above thread pitch. Plastic ring between aluminum wheel and drum, or between aluminum and steel wheel. Use tru-balance pins or sleeves to install. Use 1/2 air gun lightly to run nuts up remove pins, neversieze end of stud and run other three nuts on. 3/4 torque wrench and torque nuts in pattern to 425. Then repeat to 450. Double check on this time around. Yes this is a lot of work. But you will see the benefit in increased tire wear and the next time you take them off it will be easy, and cleaner than ever before. You cant measure the long term gain. And when I managed a shop a tire wasn't new without valve stem and you only used a torque wrench. Or you clean toilets.
     
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  6. camionneur

    camionneur Road Train Member

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    Interesting, I also found another tip to use F-900 torque seal as a loose nut indicator, and it's demonstrated in a torque procedure video. That answers my question about torque sticks too, they are used for initial torque control, but not in place of a hand wrench for the final torque.

     
    Last edited: Feb 12, 2016
  7. rollin coal

    rollin coal Road Train Member

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    When I was a company driver I never gave it a second thought. And the shop never torqued them. They just guestimated with an impact. Nine years of that and I never had any issues. When I got my own equipment and was working on it I became more picky about little stuff like that. Really man, just keep your eyes peeled for the signs of loose lug nuts. You'll see the rust streaks. If you are still worried about it 15 to 20 minutes at a Speedo for about $20 they will hit them with an impact. I expect after a few $20's you will conclude you're wasting your time and money for nothing.
     
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  8. camionneur

    camionneur Road Train Member

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    Your experience is anecdotal though, sure low torque isn't the only cause of wheel-offs (and over torque is said to be more common), but wheel makers recommend checking torque on regular basis, because loose hardware can just as easily cause the issue, which isn't all that uncommon, and is only less so (or potentially at that) when maintenance is done regularly, I gather. There are many accounts of accidents and deaths caused by this being blown off (literally). Whether myself or someone else operates the torque wrench, it's still down to the torque wrench, so whatever works...
     
    Last edited: Feb 13, 2016
  9. rollin coal

    rollin coal Road Train Member

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    Yeah anecdotally in 11 years at the previous fleet I worked at with 175 tractors and about 400 trailers they never had a wheel off incident. There hasn't been one at my current company in the past 5 years either. Not saying it doesn't happen. What I'm saying is with a little common sense you should be able to catch this on a thorough pre-trip inspection. Without the need to buy a $1,000 torque wrench or spending $20 every week at the Speedco.
     
  10. camionneur

    camionneur Road Train Member

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    That's good, but you know there's that mentality out there, if it aint broke don't fix it, so a thorough pretrip only idicates to me that I'd like to check torque too. Like I said, this would be simpler in my situation, and I'd merely be following manufacturer recommendations, which are all I really have to go by, apart from statistics (besides that many drivers get away with not doing a pre trip at all, so "anything goes", it's just funny how people with that mentality try to stop someone else from doing their own thing, not that this was my idea anyway, so arguing with me is like shooting the messenger).

    I appreciate the feedback, and what I learned from checking tire pressure with accurate equipment is that doing it regularly and precisely is a good practice for preventative maintenance, just like checking engine fluid levels, and I think torque is in the same category, whether it requires special equipment or has an indicator already in place (which tires and wheel nuts sometimes do, for that very reason, they are high maintenance components, or can be at any given time). If going by the book is not common sense, then I'd characterize it as professionalism (a work in progress).
     
    Last edited: Feb 13, 2016
  11. lester

    lester Midwest's #1 Feed Hauler

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    If you go by the manufactures recommendations on every single thing on that truck you won't have time to drive it.
    I'm glad that you want to do the right thing and be a safe driver and all, but seems you're focusing a lot on one small part
     
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