Broken Seat Spring.....HELP!

   / Broken Seat Spring.....HELP! #11  
I fixed my spring seat suspension and the air ride seat in the big tractor.

There are two types of spring attachment points in these scissor spring suspensions. One has slots cut for the spring hooks and the other used socket head bolts and some kind of plastic or nylon hook for the spring to go on. I have the latter and they have broken. Replacements from Messicks are more than $7 each and will just fail again.

I made some spools of 4130 bar stock on the lathe that the socket head bolts will go through and put a big washer on top. The spools have a recess for the spring to pull against and the washer holds the spring down. These should not fail.

The air ride seat had a soldered wire connection to the little compressor that broke. Lengthened the wire, rerouted for less flex and straighter intersection and soldered it back in place. All is well.

The scissor spring suspensions and the air ride suspension I have are similar in design with the recess for the air bladder already in place. I will make the upper bracket for the air bladder, remove the springs and convert the spare spring seat I have to an air ride seat. Bladder and a Viair compressor all less than $100 and a little of my time isn't too bad for an air ride seat and an on board air compressor to boot. I'll put it on something.
 
   / Broken Seat Spring.....HELP! #12  
Don't know if someone talked about using large washers and a
bolt to hold the spring together???

willy
 
   / Broken Seat Spring.....HELP! #13  
I broke one of the springs in the suspension part of my seat in a JD 4310....I tried to find a part to replace it, but they only had the entire seat suspension for $430 listed. I took the crazy thing apart...what an adventure that was, and now I need to find a spring to replace the broken one. I suppose I should replace the shock as well....but sitting on the tractor without that suspension seat really stinks. Any ideas on what I can do to fix it would be appreciated!
McMaster Carr is a good source for all kinds of things like that.
 
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