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Case Tractors Discussion Forum

LA main bearing cap bolts

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01-02-2007 23:35:36

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Well I'm workin at puttin my LA's engine back together but it seems like everytime I turn around something else unexpected pops up, but maybe someday I'll have it together! Anyways it's a long story but some how the machine shop that I had my engine work done at has lost the bolts that hold my main bearing caps into the block. This does not make me very happy as they were special bolts with holes drilled in their heads for wires. I had determined that I could use regular 5/8" x 4" grade 8 bolts and hardened washers in there place. I got these bolts and they work except that the bolt shanks seem to fit a bit to loosely as they go through the bearing caps. This leads me to think that maybe the origional bolts had a shank that was machined to a special size. Since the bolts are all that keeps the main bearing caps from moving lateraly this kinda concerns me. Does anybody have a bolt that they could measure for me, or maybe does anybody have an extra set of origional bolts? Thanks a bunch in advance!

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01-03-2007 23:19:16

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 Re: LA main bearing cap bolts in reply to combinekid, 01-02-2007 23:35:36  
Thanks a bunch Walt but I got some good news. I went back into the machine shop today. I told them that I really needed the bolts as they were special and that I would help them look for them. We hunted around for a while and finally found them in a box grouped with another engine. This machine shop that I had the work done at has been around for years, they do good work but at times there organization is a bit lacking. Oh well guess I got my bolts so thats the main thing.

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Walt Davies

01-04-2007 11:01:27

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 Re: LA main bearing cap bolts in reply to combinekid, 01-03-2007 23:19:16  
Well that nice you can't use other bolts because these are cut to fit the bearing blocks. they have to be special made.


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Walt Davies

01-03-2007 11:19:18

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 Re: LA main bearing cap bolts in reply to combinekid, 01-02-2007 23:35:36  
I have a complete set on my parts tractor but this time if you want them you will have to come get them yourself. I'm not crawling under the tractor to pull them. How ever I will supply all tools needed. You can have them for free to make up for the tank that I sold you.

If I were you I would make the machine shop pay for them and the trip to get them after all they lost them. But if they won't you have a free set waiting here for you.
503 623 0460

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