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The clutch was not disengaging properly sometimes. This raised considerable concern with me. After discussing this with John Deere people I heard several stories like this one. There was a farmer who jumped from his B when the clutch didn't disengage. It ran up his pickup bed and over the cab.
On a John Deere B tractor, the clutch is in the fly wheel. There is a hand lever, lot a foot clutch.
I disassembled the internal parts of the clutch in the pulley. I had John with Ozark Tractor come out to pull the drive disk because I didn't have a puller large enough to do the job.
Over all the clutch parts inside the pulley were in good shape. I decided to replace the free facing pads on both sides of the drive disk.
The clutch operating linkage was a different story. There was significant play of the fork shaft and fork bearing. The collar attached to the fork using pivots showed significant ware. I found that this is a fairly common problem with John Deere B's.
I was able to find a new old stock fork shaft. Then I found a tight assembly on B being parted out. I was able to use the new old stock fork shaft, fork bearing and collar from the assembly I bought off another tractor, and the fork from my B to make a like new assembly and did this for around $200 total.
Machine shop rebuilding of the fork shaft and fork bearing are a common solution to this problem. Another common source of ware is in the splines mated between the fork shaft and the fork. There should not be a lot of play here. In the case of the assembly I purchased, the fork had considerable ware of the splines.
Continued on Clutch Linkage Rebuilt ...
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