I use linch pins from Ace.
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Well that was a fail.......the pins wouldn't fit in once I put tension in the brackets. Back to square one.![]()
It did but not anymore, not sure what happened? This is nuts!Does the pin fit when you close the bracket without the chain on, not under tension.
Sounds like the alignment of the pin holes is off just enough to make the fit tight. I would try wiggling the bracket handle around while putting pressure against the bracket with the chain on while trying to push the pin in. Or take a trip back to the store and get the next size down pin, a little slop won't hurt its just to hold the bracket in place. You may have better luck with sizing using a clevis pin, all the big box stores sell them.
http://www.toolandanchor.com/catalog/categories/3FPCUNIVERS.jpg
You may want to remove the brackets, swap sides and hope it helps with the alignment. If that doesn't work I would drill out the bracket till the pin will fit, its only an insurance pin doesn't do anything until something very strange would happen to make the bracket move, as you know with all that tension its very hard to lower.
That looks way off. Are both sides off the same, I would remove one of them and see if the holes line up, then reinstall and see if it helps.
Don't drill it out. Get the correct diameter pin. I measured one of mine and it's a little less than 3/16" in diameter.