John Deere 990 4-wheel drive

Captain Bill

New User
I have a John Deere 990 tractor. The tractor and transmission shift into 4-wheel drive and function properly. The shaft coming out of the front of the transmission is slipping. I pulled back the metal housing surrounding the shaft at the transmission and ball bearings fell out. I plan to order the 12 ball bearings, the cap that goes over them, and the rubber boot. How does all this go back together? Any help is greatly appreciated. Thank you.
 
Look at JD on-line parts site. Though not as good or accurate as it used to be, still it will be of lots of help. Buying an on-line service manual may be a good investment
 
Captain Bill I have a PDF of the technical manual
you're welcome to, shoot me your email if wanted

Joe
 
(quoted from post at 03:21:42 06/03/20) Look at JD on-line parts site. Though not as good or accurate as it used to be, still it will be of lots of help. Buying an on-line service manual may be a good investment

Thank you for the reply. I actually have the parts diagram and a copy of the manual - neither of which show the detail on how to get all 12 ball bearings situated around the shaft while I put it back together. In the past I have coated them with heavy sticky grease and hope they stay in place while I get it all together. Was just hoping someone has done this replacement before and could give me a few hints. Thanks.
 

Thank you for the reply. I have a manual which doesn't show much. Just trying to figure out how to keep all 12 ball bearings on the shaft while I put it back together. In the past I have covered them with heavy sticky grease. Was hoping someone had done this repair in the past and could give me some pointers. Thanks again.
 

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