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Recent content by MARV2015

Yesterday's Tractor Forums
  1. M

    Installing oil pump on JD model A

    Right now Im stuck on trying to get the oil pump drive installed properly. Holdong the pump and installing the bolts to connect it to the cast bottom of the engine are a pain. I am really needing advice on how to align and push up the square tubing to drive the pump, from the cam shaft. Any...
  2. M

    Installing oil pump on JD model A

    Any of you out there have instructions or tips on installing an oil pump on a JD model A, age is app 1950. Any tricks I need to know?? Such as have 3 hands or more and X-ray vision!!!
  3. M

    1010 not fireing ?

    My 1010 decided to stop running one afternoon, when I was busy trying to run my rotary mower! Well with a quick field check of things I determined I had no spark to the plugs. When I pulled the distributor cap off, the little carbon post from the cap to the center of the rotor fell out in...
  4. M

    John T-or anyone- Starter free running voltage

    I will add two things to REALLY muddy the waters! First is the effect of friction in the starter motor. Even the best of bearing still have some drag on the armature shaft. Second is called CEMF -Counter Electromotive Force. This is a reverse current inherent in the armature when it is...
  5. M

    John Deere "A" Crankshaft swap

    I am sorry that I misled everyone. My concern is just what you expressed. The gear on the clutch - meshing up with the first reduction gear is the main concern. I am using the crankshaft AND the clutch pack from my parts tractor. The reason is that hopefully they match. The original...
  6. M

    John Deere "A" Crankshaft swap

    See my reply below. The crank can be polished and refinished. The rods need a fresh install of babbit. Who does pouring of babbit anymore??
  7. M

    John Deere "A" Crankshaft swap

    The oil seemed to loosen all the heavy gunk that was previously attached to the crankcase floor and walls. The old pump plugged up and quit delivering oil to the crank, the rods, and other vital places. The motor siezed up and quit. The crankshaft is fully grindable. Looks to me that a good...
  8. M

    John Deere "A" Crankshaft swap

    I have a late model "A", S/n 647068 and I am in process of replacing the crankshaft due to having the tractor seized up when I replaced the oil with a high detergent oil. LESSON LEARNED!!! Problem - What else needs to be changed with the crankshaft? The crank shaft is out of another parts...
  9. M

    Installing crankshaft and camshaft

    Well after lookin close with a good bright light, I find a dot on the crankshaft gear and a V on the camshaft gear. I am going to presume they must go together to be right. Are there any tricks I should know about installing the crank and camshaft??
  10. M

    Installing crankshaft and camshaft

    Thank you, I will have to go check! As of now I find nothing!
  11. M

    Installing crankshaft and camshaft

    Well here is the rest of the story - My 1950 "A" had a problem with oil and the tractor seized. I disassembled and removed the pistons and crankshaft. Lots of gouge marks on the crank on the #1 piston side. SO not I have a new crankshaft ready to go back in. THE PROBLEM I face is putting...
  12. M

    52 JD -A - Needs rings!

    That is on the list of things to check. I need to clean the entire crankcase, there is babbit splatter everywhere. and of course check ALL oil lines! Last choice for me would be to take the parts A pistons, use them, and bore block to .125 over and reassemble. I guess time wise, that might...
  13. M

    52 JD -A - Needs rings!

    OK - the short version of my request - Where and who should I go to get a new set of rings for my A???? Long version ----- My A siezed up and quit. I discovered the #1 rod had spot welded itself to the crankshaft. I took the pistons, rods and crankshaft out. The rod had spot welded itself...
  14. M

    I let this one go!!! Big mistake on my part!

    ttps://forumphotos.yesterdaystractors.com/photos/mvphoto5695.jpg[/img]
  15. M

    I let this one go!!! Big mistake on my part!

    Do not know what happened to the last picture but this is what was on the back of that "A" .
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