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  1. J

    Alpha one drive gear /shaft od 1.50:1

    I have a alpha one I’m trying to replace the bearings in the upper on the drive gear u-joint shaft. My serial no is 0b496372 there is an f stamped by the serial no. That should make it 1.50:1. I even counted teeth drive gear 22 driven gear 20. Looked up part number for bearings for 1.50:1 ratio...
  2. J

    Alpha one gimbal ring bearing replacement

    I’m replacing the bearing in my gimbal ring. I’ve got it pressed in but not sure how far to go there is a seal and spacer that go on bottom. I don’t know it the spacer is supposed to set flush with the bottom or what?
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