 The only problem is that there is no service manual offered by Deere for the "A" models. The closest you can get is a '60' manual, which will be very close, or look at an I&T manual very closely. I might be missing something, but it looks pretty clear from the parts manual picture. The shaft has two snap rings, and the governor drive gear, the fan shaft bevel gear, and the distributor drive flange all are driven by each of 3 woodruff keys, the bevel gear is pressed on up to a snap ring, the drive gear the same, and the drive flange is pressed back on from its end of the shaft. As I recall, it is pressed to flush with the interior shoulder in the flange. The shaft might bow a bit as you press against it, but I have done several, but it will stay true. First I would press the bevel gear into position by nesting the gear on the press and pressing the shaft end down and into it, up to the snap ring. Then you can put the spring and bearing on, then start the drive flange down in, then place the driven gear on the other end, and then press on the gear hub and the shaft will either go into the flange or into the gear bore. It should press into the gear and stop at the snap ring, and if so, continue pressing since now the flange move to home position. If the shaft goes into the flange and into home position first, flip it over onto a small mandrel that will contact just the shaft end in the flange, and press the drive gear again until it is in position against the snap ring. I like to mark th position of the distributor flange with a scribe line and some lay out dye or thin paint in case there is no other reference for it's depth. Frank
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