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Posted by Paul ( in NY) on Sunday, June 15, 2008 at 15:52:11 :
In Reply to: Re: clutch horror story posted by copey on Sunday, June 15, 2008 at 14:34:54 :
Back in the 70's, I had a John Deere 40C Dozer. I did a complete rebuild on the entire machine. The engine/ bell housing/clutch and entire front end were lifted off as a unit. The transmission stayed as part of the rear of the dozer. There was no frame. I put her all back together, Clutch disk centered with the proper stub shaft. I got ready to fire her up. Pushed in the clutch and she started fine. I could not get her in gear, it would just grind. Quite obvious the clutch was not dis-engaging. I had to pull the entire nose off the dozer to get to the clutch. The problem was when moving the engine/front end in place, as the transmission input shaft went thru the splines on the clutch disk, the engine/front end moved a lot while trying to get the input into the pilot. The result was that the clutch disk got sprung out of true. The clutch was dis-engaging, but could not open far enough to release the clutch disk that was not running true, sort of a wobble type effect.
A friend put the clutch disk in a lathe, there was no need to use a dial indicator, you could see the wobble. With a lot of patience, he got the disk back to true. It was installed and never gave another problem for quite a few years. Could this be your problem.......?
Paul
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