Some points (I) need to make. A used driven disk may be difficult to work with. They some times wear differentially around their circumference. The this=ckness can vary as much as .005" without affecting the way it operates. If a set of pressure plate fingers are adjusted to a usable but non true disk, the fingers will be adjusted incorrectly. If it were me I would find three or four pieces of uniform thickness metal that were within .010" of the thickness of the driven disk. I would place them on the flywheel surface (if it is on the crank, and in the tractor, I would use double sticky tape and attach them) if it can be laid flat, easier. Then bolt the pressure Plate onto the spacers and adjust the fingers so they are within .002" of each other measured from the Flywheel, while pushing on them with modest pressure so all slack is taken from their pivots. The adjusters should be about in the middle of their adjustment range. If one or two are wildly different, I would suspect the PP of being worn out in its pivots. When the spacer blocks are removed, (assuming the Flywheel offset depth is to spec) the fingers should be almost level with each other when the bolts are tight. This allows the Throwout bearing to have good stroke, and correct leverage when the clutch is pushed in, with plenty of adjustability of the pedal linkage to accout for the eventual wear. This is about keeping specifications from getting in the road of best practice. Jim
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Today's Featured Article - Experimental Tractors Article - by Danny Bowes (Dsl). Tractor technology appears to have nearly hit it's pinnacle of development. If you agreed with the subtitle, you are rather mistaken. Quite, actually. As a matter of fact, some of the technology experimented with over 40 years ago makes today's tractor technology seem absolutely stale by comparison. Experimentation, from the most complex assembly to the most simple and mundane component, is as an integral a part of any farm tractor's development
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