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Thread: Help please! Jackknife = trailer & chassis repair

  1. 29th November 2016, 09:31 PM #21
    Aaron IIA
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    Quote Originally Posted by MR LR View Post
    The lunette bolts are 3/8" UNC high tensile, I would recommend replacing with 3/8" UNF high tensile
    The lunette bolts on my no. 5 trailer are 3/8 UNF with nyloc nuts. They appear to be the original bolts. Six 3/8 bolts is certainly strong enough, considering that the pintle hook on the vehicle that originally towed these trailers, a SIIa GS, only has four 3/8 bolts holding it on.

    You appear to have a non-rotating pintle hook. When towing a trailer with a fixed lunette, such as a no. 5, you need a rotating pintle hook, especially when offroad.

    Aaron
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  2. 29th November 2016, 10:24 PM #22
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    Marko66 is a land rover recovery bloke in Bamaga find him

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  3. 29th November 2016, 10:28 PM #23
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    I suppose criticism is warranted in this case. I'm usually not completely incompetent but definitely was the case here though unfortunately.... Only had a couple hours sleep as was fishing from 3am (was the case for the whole weekend)drove into town ordered some shocks (snapped my rear) and just coming out of the drive I was on autopilot and thought I saw the trailer arcing to where it was supposed to be without actually having a proper look. So yes it was a simple case of incompetent f wittery in this case unfortunately.
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  4. 29th November 2016, 10:45 PM #24
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    Was one of those days really, all I caught all morning was 1/3 of a queenieImageUploadedByAULRO1480423507.289027.jpg
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  5. 29th November 2016, 10:50 PM #25
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    squizzyhunter
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    As for the locking lunette I modded this one to rotate. Ideally I would love a rotating pintle as that's what has been advised (not sure if was a case of safety or just standardisation for the adf to go with the rotating pintle and locked lunette) but couldn't find a decent one so it's the rotating lunette for now.
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  6. 29th November 2016, 10:55 PM #26
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    Quote Originally Posted by The ho har's View Post
    Marko66 is a land rover recovery bloke in Bamaga find him

    Mrs hh
    Had a quick chat with him last week seemed like a good bloke. ordered some shocks through them but he is down in cairns at the moment.
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  7. 30th November 2016, 05:27 AM #27
    MR LR
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    Quote Originally Posted by Aaron IIA View Post
    The lunette bolts on my no. 5 trailer are 3/8 UNF with nyloc nuts. They appear to be the original bolts. Six 3/8 bolts is certainly strong enough, considering that the pintle hook on the vehicle that originally towed these trailers, a SIIa GS, only has four 3/8 bolts holding it on.

    Aaron
    Still a crap design...

    My reversing comment was not directed at your Squizzy hunter, more in general.
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  8. 30th November 2016, 07:24 AM #28
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    Quote Originally Posted by MR LR View Post
    Still a crap design...
    .
    Ok,

    Proove it.

    Whats both simpler and better?
    Dave

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  9. 30th November 2016, 09:08 AM #29
    Aaron IIA
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    Quote Originally Posted by squizzyhunter View Post
    Ideally I would love a rotating pintle as that's what has been advised (not sure if was a case of safety or just standardisation for the adf to go with the rotating pintle and locked lunette)
    It is a safety issue. If you jacknife with a rotating lunette and a fixed pintle hook, the lunette can drop down and hang from the pintle hook. When you try and straighten up, the lunette may not right itself properly, resulting in damage to the lunette mount, pintle hook or vehicle rear chassis. Did your damage occur from jacknifing the trailer too far, or when you attempted to straighten up? Which side of the car was the trailer when the damage occurred?

    Rotating pintle hooks have a locking mechanism so that they can also be fixed. The mechanism is sometimes missing.

    Aaron
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  10. 30th November 2016, 09:45 AM #30
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    Quote Originally Posted by Aaron IIA View Post
    It is a safety issue. If you jacknife with a rotating lunette and a fixed pintle hook, the lunette can drop down and hang from the pintle hook. When you try and straighten up, the lunette may not right itself properly, resulting in damage to the lunette mount, pintle hook or vehicle rear chassis. Did your damage occur from jacknifing the trailer too far, or when you attempted to straighten up? Which side of the car was the trailer when the damage occurred?

    Rotating pintle hooks have a locking mechanism so that they can also be fixed. The mechanism is sometimes missing.

    Aaron
    Cheers Aaron, I think that may have been it as only heard a hideous clunk when straightening. The trailer was out to the left and the left gave out. Makes more sense now as I was scratching my head wondering how it sheered that way. Lucky it was only low speed driver error😬
    Anyone have a rotating pintle they would be willing to part with???
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