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Farmall & IHC Tractors Discussion Forum
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966 differtial bearing replace how to

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Jim Kreis

05-05-2008 18:15:00




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966 differtial bearing replace. the race has a some rough spots on it found it when doing brake job puting new seal in can you get the bull shaft out it hits on the big gear the bearing is on the end of the bull shaft it has diffe lock to i my just put in new race for now or just raplace next year bearing looks better then the race .?




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Edpap

05-05-2008 18:36:08




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 Re: 966 differtial bearing replace how to in reply to Jim Kreis, 05-05-2008 18:15:00  
Hi Jim,
sounds like you are looking at the outer bull pinion shaft bearing the diff. bearing is farther in. I would replace both the bearing and the race. I bet it is on the diff lock side, they always go bad. If you have an IT manual it will tell you how to set the bearing preload. If you don't have a manual I would buy one they are about $30 bucks and they are well worth the money.
I did a 1066 last month both sides and it was no big deal. be sure to set that preload (endplay) and I always reseal the brake pistons and replace the outer oring on the housing.
Also you are right you can't pull that shaft out without removing the inner bearing it willnot clear the bull gear
Good luck Ed

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Jim Kreis

05-05-2008 19:25:31




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 Re: 966 differtial bearing replace how to in reply to Edpap, 05-05-2008 18:36:08  
thanks ED ya it is the outer bearing. it is on the diff side is it all right to pull the shaft out it hits on the bearing how do you get it to come have not try ed to hard pull it out it come till it hits the bearing on the gear inner bearing. takeing the bull shaft out it will not throw things off in side there if it is taken out will it go back with out line up probles . how would one go about takeing off the inner bearing thank you some much for your help if you were closer to WA state and a hunter you would be welcome to hunt turkeys and white tail bucks turkeys are takeing over are area thanks

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Edpap

05-06-2008 05:47:05




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 Re: 966 differtial bearing replace how to in reply to Jim Kreis, 05-05-2008 19:25:31  
Jim,
I use a small long brass punch if you have two people it is easer. then you pull the shaft out and drive the bearing off the end. some times they go easy and sometimes they don't. after the shaft comes out then you can inspect the inner bearing.
I would love to do some hunting out there but you are a long way from here. turkey just opened here last weekend but I have been so busy in the shop I haven't gone out. we are getting overrun with turkeys out here too.
Good Luck Ed

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Owen Aaland

05-06-2008 08:19:54




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 Re: 966 differtial bearing replace how to in reply to Edpap, 05-06-2008 05:47:05  

Edpap said: (quoted from post at 05:47:05 05/06/08) Jim,

I use a small long brass punch if you have two people it is easer. then you pull the shaft out and drive the bearing off the end. some times they go easy and sometimes they don't. after the shaft comes out then you can inspect the inner bearing.

I would love to do some hunting out there but you are a long way from here. turkey just opened here last weekend but I have been so busy in the shop I haven't gone out. we are getting overrun with turkeys out here too.

Good Luck Ed


Once you drive the inner bearing off the bull pinion, you can install it by heating it to about 300 degrees and then quickly put it in the race and then install the bull pinion. If you can not get it installed that wat you will need to remove the axle housing to gain access.

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Jim Kreis

05-05-2008 19:24:38




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 Re: 966 differtial bearing replace how to in reply to Edpap, 05-05-2008 18:36:08  
thanks ED ya it is the outer bearing. it is on the diff side is it all right to pull the shaft out it hits on the bearing how do you get it to come have not try ed to hard pull it out it come till it hits the bearing on the gear inner bearing. takeing the bull shaft out it will not throw things off in side there if it is taken out will it go back with out line up probles . how would one go about takeing off the inner bearing thank you some much for your help if you were closer to WA state and a hunter you would be welcome to hunt turkeys and white tail bucks turkeys are takeing over are area thanks

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Jim Kreis

05-05-2008 19:24:32




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 Re: 966 differtial bearing replace how to in reply to Edpap, 05-05-2008 18:36:08  
thanks ED ya it is the outer bearing. it is on the diff side is it all right to pull the shaft out it hits on the bearing how do you get it to come have not try ed to hard pull it out it come till it hits the bearing on the gear inner bearing. takeing the bull shaft out it will not throw things off in side there if it is taken out will it go back with out line up probles . how would one go about takeing off the inner bearing thank you some much for your help if you were closer to WA state and a hunter you would be welcome to hunt turkeys and white tail bucks turkeys are takeing over are area thanks

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