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Case Tractors Discussion Forum
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DC differentail tune-up

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Rustywrench1

02-25-2008 11:38:32




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I�m going through my 1950 Case DC for the upcoming year of tractor shows & pulling.
I was having a problem with the tractor drifting to the right and eventually spinning out on the same side with a lot of engine power left.

I planned on overhauling the brakes this year for they are rusted up and worn out. Case IH can get me the linings at about $76.00 a side plus my labor to change them out. Any suggestions on the best place to get linings or this service? Is this a fair price? While I am into the transmission housing to replace the differential seals I would like to tune up the differential and drive chains. I have measured the differential bearing free play at .0115 and have taken out a .013 shim to get about .0015 preload on the differential bearings. Is there any thing I should check or watch out for with the spider gears? I plan on adjusting the drive chains to the 1-inch slack mark. I really have not seen much wrong inside for the drifting problem. How touchy is the chain adjustment for a pulling problem? For the right side now is about � tighter than the left side. Would any one have any suggestions or set up tips?

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mEl

02-25-2008 15:49:23




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 Re: DC differentail tune-up in reply to Rustywrench1, 02-25-2008 11:38:32  
It will be good to go over the differential and adjust the chains to insure all is the same in there,the bearings can be preloaded more than light. I suspect the tractor tires,etc, setup is a bit off somewhere as the chain drive in the Case is noted for its ability to stay straight down the track. Check that the tires are exactly the same from the center of the tractor. also obviously tire pressure even side to side, there is a gage setup that connects to both tires at once to equalize them, a good idea. however, no matter how well you set up your tractor a soft spot in the track will suck you right in, so learn to read the track and watch where others before you have gone. Keep your eyes open the conditions can change drastically in the same class. mEl

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Rustywrench1

02-25-2008 16:36:13




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 Re: DC differential tune-up in reply to mEl, 02-25-2008 15:49:23  
mEL,
Thanks for the advice although I'm not real sure of what you were saying about the bearing preload. The book calls for zero play and a slight preload. Are you saying I should preload more or should I preload less? Thanks!!!



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mEl

02-25-2008 17:55:52




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 Re: DC differential tune-up in reply to Rustywrench1, 02-25-2008 16:36:13  
open your email mEl



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Bruce Hopf

02-25-2008 15:22:00




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 Re: DC differentail tune-up in reply to Rustywrench1, 02-25-2008 11:38:32  
If yoy can find someone in your area who deals with A&I Products, you can get the complete set for around $50.00. Thats for all 4 linings plus the rivets to attach to the linning holder. I don't remember if they come with new springs. They are located out of Rock Valley, Ia. Phone # is (800)657-4343. Call to see who the nearest dealer is to you, or go on linewww.aiproducts.com. Then click on A&I Products:, then dealer.

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