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M input shaft

A

Anonymous-0

Well-known Member
Hi all, I am a mechanic by trade but not very knowledgeable on old iron so I hope you can help me out. I have my 46 M in 1/2 right now with the engine on the stand. It started with a broken cam gear so naturally I had to break the tractor in 2...I have learned that that"s how it goes with tractors. Anyhoo, I found that the aluminum throw out sleeve is broken and the input shaft is "loose". It think it is designed to have some play like a coupler but I am wondering how much is normal? the pilot bearing is fine and the wear pattern on the clutch/pressure plate looks ok, just not sure why that sleeve broke. Any help would be greatly appreciated, Thanks.
 
The clutch shaft is coupled to the trans input shaft with a Ujoint like coupling. THat would allow the clutch shaft to wiggle. It is not to have play in it, it is not designed to have bearings, but tapered sleeves and special bolts. The trans input shaft should not have play. The Bearing pilot was probably damaged in a clutch "event" . Jim
 
Thanks, that's what I suspected for the input shaft. It seems like it is as designed but it is so different than what I am used to looking at. I have had this tractor for 7 years and I know the guy who had it before me had it for about 10, he never worked it beyond a baler and a hay wagon so whatever it was that broke that sleeve must have been a long time ago. Thanks again for the answer.
 
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