Morgan

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About Morgan

  • Rank
    Member
  • Birthday 10/28/1991

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  • Gender
    Male
  • Location
    Edgemont SD

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  1. Morgan

    TD 9 over rev

    Sounds a lot like what mine was doing finally broke down and shipped it off to have rebuilt cost $1000 but i cant replace the old dozer for that so we will see if i made the right choice when it shows up and i install it.
  2. Morgan

    TD 9 over rev

    Central injection has the seal but will not sell them only remand pumps
  3. Morgan

    TD 9 over rev

    Central fuel injection is the ones i bought the rebuilt transfer pump from which is when all my problems started ..... but maybe if it will warm up around here ill get some more testing done.
  4. Morgan

    TD 9 over rev

    Sorry just seen your other comment thank you. Im starting to wonder if there is something wrong with the return line in the tank like an crack or something. Is there a stand pipe on it ?
  5. Morgan

    TD 9 over rev

    Is there any way to test it that you know of ? And do you have a lead on a new seal ?
  6. Morgan

    TD 9 over rev

    So the old TD9 had been running very well until it was cold one day and it would not start for a few hours after it did i realized that it was acting funny. The injection pump was fuel of diesel again. The only reason i can think of is having the fuel turned on at the tank for half a day before getting it to run. As long as i don't open it until its running on gas its fine but if i forget it then it fills the injection pump with diesel any idea why ?
  7. Morgan

    TD 9 over rev

    You bet thanks for the help
  8. Morgan

    TD 9 over rev

    Yes sir running normal as should i believe the run away was because all the diesel inside the injection pump was causing the gov to stick
  9. Morgan

    TD 9 over rev

    Yes it runs good that fuel leak was because it was overpressured im guessing
  10. Morgan

    TD 9 over rev

    So after lots of messing around with the TD9 i am pretty confident that i have found my issue. Under the big acorn nut on top of the injection pump is a check valve that returns fuel to the tank thru the scavenger valve. That check valve has a tiny spring clip that holds it in place. Mine had poped out of its groove and was keeping zero tension on the spring witch i beleive made it flood the scavenger valve with too much fuel and caused it to leak fuel into the injection pump. I run the td9 for about 4 hrs yesterday and had no fuel at all show up in the oil of the injection pump.
  11. Hello M Diesel

    I have a old td9 with a b style injection pump on it i think. I have Central injection send me a remaned scavenger pump about a month ago because my machine seemed like it was lacking fuel. After replacing the pump it started good and bleed good i run the machine for about an hour before it started surging then tried to over rev on me i slapped the compression lever back and the throttle back and it died down instantly. That was when i noticed that the injection pump was puking full out the top so i opened the petcock on the side and diesel ran out. That is when i decided i needed to check the scavenger valve. To shorten up my story i have disasembled and reassembeled the scavenger vavle several times with diferent square cut o-rings with no success still the same out come after about an hour run time. One question i have is does that scavenger valve need to be clocked a certan way in the injection pump so the holes line up or does it matter ?

  12. Morgan

    TD 9 over rev

    Well i opened the petcock on the side of the injection pump this morning and diesel run out for several seconds so i guess i know where to start looking.
  13. Morgan

    TD 9 over rev

    The injection pump had fuel in it before the replacement of the scavenger pump. The packing on the shaft was shot and let fuel in the injection pump, thats why i replaced it. At the same time i also replace the o ring on the scavenger valve with the best option i had but maybe your right that i need a different one. The oringinal was a square shoulder/ edge oring and i put a round in there so maybe thats my problem. After the over rev i never thought to check the oil in the pump to see if there was diesel in there again. Thought that problem was whipped but i will check that tonight. Next question that return stand pipe must come out the bottom of the tank? I didnt know one was in there cant see it with the baffles in the way. The tank was about 1/4 full when it over reved. And im still pretty confident in the rebuild on the scavenger pump i looked for about a month for that tiny seal on the front of it with not much luck finally to find a injection shop in Ohio maybe? Cant quite remember. They had a hand full of ih rebuild kits left and didnt want to sell just the kits but would rebuild a scavenger pump and send it out. So thats what i had to do.
  14. Morgan

    TD 9 over rev

    Thank you for the replys this is the first forum ive joined (usually read down thru others online) but needed more info this time and i was loosing faith in joining really fast when i wasnt getting replys. The scavenger pump was a reman professionly rebuilt so id say that is not where my problem is but after i replaced it is when the machine tried to over rev on me. I recived my pump manual about a week ago and have look thru the adustments. The only one i still can not locate is how the rod should be adjusted that runs the fuel pump lever there is two springs and two nuts that hold the lever center. That is the only thing that i have adjusted on the pump and i think that maybe where the problem is but not sure.
  15. Morgan

    TD 9 over rev

    Guess i dont need to worry about anyone talking my ear of on this forum ......