Posted by Jason S. on January 28, 2013 at 18:33:31 from (220.127.116.11):
In Reply to: Hey -- Jason S posted by Bruce(OR) on January 27, 2013 at 22:37:13:
I don't use an I&T manual. All I have is the real Ferguson shop manual. When you shim it you are setting the bearing preload. If you set it too wide that is that much less preload on the bearings and it allows the axle to move back and forth that much more. As you use it with the clearances too wide and the axle moves back and forth and the bearing works against the collar and of course it will try to push the collar off as the axle tries to pull out. Hopefully the collar has been heated and installed properly, but are there Fergusons out there that have just had the collar pressed on? Yes there are, and the people that own them may not know because it may have been done by a previous owner. Now those that have been done improperly are already on the edge of coming apart with the clearances set properly. If they set them too wide then you have just turned a borderline problem into a could be potentially fatal situation because the collar will fail. John(UK) said the collar could come off when run like that and he knows enough about these tractors to write 47 I&T manuals about them.Plus with not enough preload the bearings will have a shorter life. Sure seals or not if the axle works back and forth enough it will act like a pump and let oil leak out.So why not set it properly and be done with it?
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