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Recent content by Uncle B's B

Yesterday's Tractor Forums
  1. U

    Getting the condensation (water) out of the oil

    I wondered about the same thing but I have loosened the gear oil drain and found some, but very little condensation. I think just loosening the plug every few moths is adequate for the gear oil. By the way, I changed the oil drain plug to the new one without draining the oil. Only lost...
  2. U

    Getting the condensation (water) out of the oil

    I was concerned the reducer bushing might come out too close to the block and be hard to remove for an oil change. That would work as well. SD
  3. U

    Getting the condensation (water) out of the oil

    Yup, I've always been surprised how much CLEAR water came out when I'd periodically crack the drain plug. With the little petcock, it's VERY easy to drain the water and stop when oil starts to show. SD
  4. U

    Getting the condensation (water) out of the oil

    I have a '39 B that is strictly a toy now. She has great fun pulling the grand kids on a wagon and going for the occasional ride. When I change the oil, I always find condensation (and maybe a little water from washing) at the drain plug since she is never worked hard enough to really boil off...
  5. U

    John Deere B

    I have a theory on this one as I have a "B" that will do this. I have checked and I know mine is not firing early. I have verified TDC on #1 by pulling the plug as well as using the 3:00 O:Clock mark behind the flywheel. In fact, to test this theory, I retarded the mag a LOT and it still...
  6. U

    Replacing '39 B rubber fan hub with friction hub

    Well, it's all complete and runs fine. The fan gear is as quiet as it was before. I was really glad that the original ('39) fanshaft was the same as the later (unknown year) shaft. That made the job MUCH easier. As a side note, in doing this job, I had to remove the crankcase vent tube...
  7. U

    Replacing '39 B rubber fan hub with friction hub

    The "new" fan is in. Here's the info.... The two fan shafts [b:fd35919682]are [/b:fd35919682]identical as suggested by the Duane Larson reference above. As you can see below, the spline length is the same. Below is the hub from the old rubber mounted fan as it was being removed from...
  8. U

    Replacing '39 B rubber fan hub with friction hub

    Frank... and others for the archive. On Duane Larson's pages, (http://jd2cylservice.com/) under "Duane Larson's Workshops" is a document called "Replacement Instructions: Rubber-Mounted Fan by Friction Drive Fan" The document is an original Deere document and it suggests that the fan shaft...
  9. U

    Replacing '39 B rubber fan hub with friction hub

    You could be right on cutting the splines. It will be interesting for sure. I'll take pictures of the two when I get it apart. Steve
  10. U

    Replacing '39 B rubber fan hub with friction hub

    As you say, this would be a LOT simpler if I was just going to R&R the drive gear and stop there but.... my '39 is fully restored and the donor was a working tractor so it is much simpler to pull the "guts" out of the donor housing and clean and relube all the bearings (they look good) as...
  11. U

    Replacing '39 B rubber fan hub with friction hub

    Hi Frank, As for using the two piece pulley, that won't work as the shaft under the pulley with the later shaft is splined so the old two piece won't work. I have the one piece pulley with the splines so that SHOULD work. I have compared parts in the book and there are a lot of...
  12. U

    Replacing '39 B rubber fan hub with friction hub

    F-I-T, Well, I guess I am confused now but it will become clear when I pull the old shaft off the tractor. I was just trying to make sure I had everything I needed before I did that. I don't know the S/N of the donor tractor but the tubes appear to be identical. All I know is the donor...
  13. U

    Replacing '39 B rubber fan hub with friction hub

    By the way, I believe the spacer to which you refer is part number B2129R, listed as item 31 in the PC-330 book on page 23. I have that spacer on the shaft in the "newer" assembly I have. However, it is obviously worn to some degree so I wonder if anyone can tell me the length of so I can make...
  14. U

    Replacing '39 B rubber fan hub with friction hub

    Thanks guys. I have PC330 which is where I found all the parts to rebuild the friction drive on the "new" fan. Is there a difference in PC330 and PC676? The title seems to be the same on both documents. [b:6bc45c7922]UPDATE: [/b:6bc45c7922] Guess I answered my own question.... 676 is for...
  15. U

    Replacing '39 B rubber fan hub with friction hub

    I have a hand crank, styled '39 B that has a sheared hub on the rubber mounted fan. I picked up a complete later friction fan shaft assembly (prior to the air pump on the fanshaft) and after taking it apart, I'm wondering if the fan shaft itself is the same between two units such that all I...
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