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Posted by Andrew Mawson on October 13, 2007, 3:30 am
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> I have a scrapper with whom we have done a lot of stuff together (I
> sold him a lot of scrap, he sold me 625 Signode banding cutters,
etc).
>
> He has a truck (similar to Ford F-550) with a big steel "box" (5 ft
> tall) for hauling stuff. That "box" has steel doors in the back that
> swings open like a gate. Each door hangs on two hinges.
>
> One of the hinges broke. It is a second time it failed. It failed
> before and was welded back rather atrociously. The weld looks very
> bad. It failed around the weld. The failed area is close to where
the
> flat part of the hinge is welded into the gate.
>
> The "big issue", in my opinion, is that the hinges are undersized
for
> the sort of stuff that he hauls around, as evidenced by gouges from
> inside the box, etc.
>
> I promised to fix it for him. I told him that if he continues o
abuse
> these hinges, and drives with heavy things unsecured inside, they
will
> fail again. Nevertheless, I feel that I can weld them in such a way
> that something will fail other than the welds.
>
> Anyway, the purpose of my post is mainly to see if there are some
> non-obvious things that I am missing.
>
> i
Fit a safety chain with tensioner from one rear side to the other
outside the doors so in the event of hinge failure the car behind
won't be flattened.
AWEM
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> sold him a lot of scrap, he sold me 625 Signode banding cutters,