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  1. M

    1952 MM U tractor restoration

    I'll talk with my son and see if he has a size or knows how to measure them. I think he has talked with you so he can probably contact you if need be. Thanks for the helpful advice it is always appreciated.
  2. M

    1952 MM U tractor restoration

    In at least one of the shoes the lining is pretty much gone probably from dragging and out of adjustment. Might be worth while to see if Bendix would still have shoes available for the old girl. Thanks molinegb. Appreciate the info.
  3. M

    1952 MM U tractor restoration

    Got the mainfold from Steiners and it appears to fit. Also had bought the heat riser several years ago and it fits the new manifold so along with the new gaskets it should be good as new. Still doing lots of there things to the tractor. Replacing the seals at the breaks as they were leaking oil...
  4. M

    1952 MM U tractor restoration

    Our tractor is a gas one not LP gas or conversion. Thanks for pointing out the difference in manifolds.
  5. M

    1952 MM U tractor restoration

    Ok Thank you. Guess if that is all that is currently avilable the choice is an easy one. Sure enjoyed seeing all your tractors yesterday. Brought back many memories. Thank you again.
  6. M

    1952 MM U tractor restoration

    Very interesting comments about the various types of paint. Will keep those in mind when our time comes to reach that point. Another question we are dealing with is about the exhaust manifold for the U. Our old one is burned through and will have to be replaced. When looking at the original...
  7. M

    1952 MM U tractor restoration

    Thank you for all the information on 6 and 12 volt systems. My dad's 1951 was definitely a 6 volt and the 52 we are working on was a 6 volt originally. Not a big concern being converted but nice to know when they were changed over. Interesting about the MM hydrualic cylinder and what would be...
  8. M

    1952 MM U tractor restoration

    Thank you DPittman and lll John. I appreciate your advice and suggestions. I will pass this all along to my son. Thank you both very much.
  9. M

    1952 MM U tractor restoration

    My son is working on restoring a 1952 MM U tractor. It is in generally good cosmetic condition as far as the tin work goes plus we have a 51 MM U for parts which although in much worse condition has many valuable parts for the restoration project. He has removed the left brake assembly because...
  10. M

    Yanmar 3TNA72UJ engine injector pump

    Well I ran the rest of the season after replacing the injectors and didn't have an issue so I suspect it was a bad injector. We have fired it up a couple time this winter in the shop to move it around and it fired up immediatly and ran smooth as a 3 cylinder ever does. But thank you everyone for...
  11. M

    Case 4890 4 wheel drive won't reverse

    Thank you for the information. I have been reviewing the set up in the powershift section of the manual and although a complex set up I am trying to figure out the rout the hydraulic oil pressure goes to activate the various clutches and releases others. Last night my son started the tractor to...
  12. M

    Case 4890 4 wheel drive won't reverse

    I have had this tractor for a number of years and it has just been sitting as it won't reverse. When you put it into reverse and begin to let out the clutch the engine lugs down but no movement happens. Since it is a massive machine we haven't attempted to do anything with it. Put it up for sale...
  13. M

    Case 4890 4 wheel drive won't reverse

    Hi Eagle I have a question to help me understand this transmission a bit better. I have located a picture of the control valve in question with what they call the pilot valve spools. A different # to the picture you linked to but the same valves and housing on top of the transmission. I found...
  14. M

    Case 4890 4 wheel drive won't reverse

    Hi Eagle Doc I appologize in advance as this will be a long post. Finally someone has made some suggestions which might possibly lead to solving this dilema. I knew that someone on this form would come to the rescue. There are some fantastic folks out there and any time I can help someone I...
  15. M

    Case 4890 4 wheel drive won't reverse

    We are located in South West Manitoba Canada.
  16. M

    Yanmar 3TNA72UJ engine injector pump

    Just an update on the injector issue. Replaced all three injectors with import ones and its running fine so far. I do plan to replace all the fuel lines and clean and check the screens in the tank this winter. But it should be ok until we are finished with mowing this fall. Thanks to everyone...
  17. M

    Yanmar 3TNA72UJ engine injector pump

    Hi I hope this is the right place to put this question. I have a John Deere F935 mower and the tractor part has the engine mentioned in the heading of this post. I replaced all three injectors with new ones as the old ones tested poorly. Engine has 3000 hrs on it. After putting the new...
  18. M

    Yanmar 3TNA72UJ engine injector pump

    So if I understand you correctly if there is a restriction in the pickup line in the tank even though the fuel pump, pumps fuel it may not be enough volumn to meet the needs of the injector pump and could lead to it cavitating and somehow getting air into the delivery fitting and then to the...
  19. M

    Yanmar 3TNM72 versus Yanmar 3TNA72UJ

    I have a question about injectors and the heat shields for my Yanmar 3TNA72UJ engine. It is used on a John Deere lawn mower F935. It has 3000 hours on the engine. We had one injector fail and to rebuilld them is about $325 Cdn each. New ones from John Deere are even higher. Since a different...
  20. M

    Yanmar 3TNM72 versus Yanmar 3TNA72UJ

    Oh I totally agree re prices. I much prefer to support our North American manufactures but when the price difference is 5 to 10 times higher the buget does come into play sadly.

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