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Recent content by Jreb10

Yesterday's Tractor Forums
  1. J

    Rain cap

    I put one on my 420. Initially it did clank. After some thought I came up with a plan to "re-balance" it so the downward weight of the cap portion was lighter. I drilled a hole in the vertical "vane" that is on the other side of the hinge from the cap portion. I put in a nut and a bolt as a...
  2. J

    Couple of questions about 1957 420W

    As far as the bearing carrier goes, I have seen versions with and without the zerk. If I recall correctly the JD parts book shows a series of revisions to that part number. I suspect the revisions are not complete and/or not accurate. I am guessing here, but I suspect they added the zerk in...
  3. J

    John Deere B Crank

    I think you need a John Deere wrench H512R. See here for more info: http://www.retiredtractors.com/Q/flywheelwrench-m.html
  4. J

    420w Oil Pump Timimg Set Screw

    I recall facing a similar problem a few years ago. My set screw had partially broken away but I was able to unscrew it. I ended up getting some set screws from McMaster Carr. They were the right length but the point on the end was not the right angle. I believe I ended up carefully grinding it...
  5. J

    1957 420 – Is my throwout bearing carrier unuseable?

    Here is another photo that shows the number cast into the side of the carrier.
  6. J

    1957 420 – Is my throwout bearing carrier unuseable?

    I am slowly refurbishing my 1957 420U. I am currently working on the clutch/centerframe. This tractor has the live PTO option with its two stage clutch, and the various parts specific to this option. Per the parts book, the carrier is specific to the Live PTO option. The carrier is shown in an...
  7. J

    1957 420 U - Number on my transmission case

    I was cleaning up the tranny prior to priming and painting. I discovered this number stamped into the casting, on the top towards the front left side. See the photo. Does anyone know what it is? Just curious, thanks.
  8. J

    420U Differential - Ring and Pinion Backlash

    I removed the back cover to replace the PTO seal, and checked the ring and pinion backlash just to be thorough. Well, it measured around .024" versus the specification of .006 to .0012. The tooth contact pattern on both the drive side and coast side was pretty much OK. Does it make sense to...
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