Posted by Bob on November 03, 2008 at 17:06:55 from (69.178.228.68):
In Reply to: JD R shakes posted by tork rench on November 03, 2008 at 16:54:39:
The flywheel and the "clutch driving disc" inside the beltpulley are counterweighted, and if either is on wrong with respect to the crankshaft "throws", the engine will be out of balance and shake.
There are "matchmarks" on both parts, at either side of the engine, which should have been followed at assembly to keep the parts in proper alignment.
(DISCLAIMER: It's been a LONG time since I've messed with an "R". It seems to me that somewhere along the line there was a DEERE with the flywheel keyed rather than splined. If that is the case, it probably can't be put on wrong, but the clutch driving dics IS splined, and can be messed up, for sure.)
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