M Diesel

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About M Diesel

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    Advanced Member
  • Birthday 05/13/1956

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    Olathe KS

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  1. 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 ?

  2. M Diesel

    TD-14/18 M&W Piston

    I didn't know M&W made those. But I already have 6 new piston/sleeve sets that are extras as it is.
  3. M Diesel


    Hi all, Brutus says hi too. He was out and about last summer and I thought maybe to post a couple pics. Just doing some brush clearing duties. On a side note, I found an old trash pile in the woods with my 1960(?) pedal tractor or what is left of it. It has been rode pretty hard.
  4. M Diesel


    It only matters in how well it starts. Likely to do with the snap and how it is locked out.
  5. M Diesel


    There are 5 marks total. This group of three is what you need. Says 1&6 DC, MAG, 2&5 PP. Note that MAG is after DC, or late as are all the gas start spark timing marks. PP is for pulling pistons.
  6. M Diesel

    Anyone service old IHC injectors ?

    There are three different injector types. The first early models are smaller diameter and came with the Bosch pump. (Different fuel line fittings too.) Later injectors are all made by IH and identical size. The later two are interchangeable but have a different approach angle for the fuel line connection. Horizontal to the left for earlier IH and IH type A, 45° upwards left for the later type B. Using matching fuel lines is all it takes to swap them.
  7. M Diesel

    Negative ground conversion

    Some are directional but many are not and don't care. Especially later units. Odds are in your favor. They keep a slight bit of magnetic polarity to get started and away it goes. Wait too long and they could actively discharge your battery if it "remembers" wrong.
  8. M Diesel

    EGT Thermocouple for 1086

    Well drat... sorry about being misleading. I pulled my thermocouple box and several of the cheaper probes connect to the shield. Obviously the IH solution will not work for that. It kinda fits since it appears they use a linear search instead of successive approximation which is an indicator of how the circuit was designed. (Old school stuff.) Since it is connected internally not sure on how to float that probe other than an insulator and it is too hot for all the standard remedies.
  9. M Diesel

    EGT Thermocouple for 1086

    If the connectors don't line up for you, then basically kinda no. Otherwise any type K will work but you must be prepared to get around any connector issues. You can get away with splicing crudely but without matching wire types it will cause some error in accuracy, like 10 to 40 degrees. It has everything to do with location of the splice versus location of the control box. And I don't know what the 1086 overall spec is supposed to be. Probably 10° as a guess.
  10. M Diesel

    Trying to lose Weight

    Don't feel bad about the Walmart gig. Exercise is good. I took a job at an Amazon warehouse partly for that reason. Down 30 pounds (to 192) but have gained back to 199 <_<. Taking a lot less meds for the type II diabetes. Like you say, at least 10 miles a day, usually more like 20 to 25 especially on the 12 hour shifts. About half the time carrying 20 to 40 pound load of corrugate. Arms are starting to look a bit like Popeye the Sailor man, but appetite is good, blood sugar is low, doc says I'm back to a pre diabetic condition.
  11. M Diesel

    Negative ground conversion

    Starters always turn the correct direction because of how they are wired. It will work fine.
  12. M Diesel

    Farmall MD Fuel Pressure Question

    Hi Dan. Dan is correct. ~62 originally, then 38-42 later. As pumps were serviced many were lowered so the model number doesn't mean much. Exact numbers are not critical. They will run on less, but that gauge is likely not well. Any standard SAE gauge will thread in and work. Original gauges had an orifice to damp gear induced vibration and extend gauge life.
  13. M Diesel

    Farm dozer/loader recommendation

    Agreed. Not enough cash to put towards anything in decent enough shape to avoid expensive repairs in the near future. Need more like 20k to reach what is in the back of your mind. It is a lot of fun though. Not saying don't do it, that is a personal thing for you. And yes it will be used for all manner of work that you would have never considered otherwise. Just saying that old machines that have sat and have decent undercarriage are very rare.
  14. M Diesel

    Coil Output

    oleman, which probe did you use? Most are only rated to ~10kv, derating to 5kv under less than ideal conditions. Also possible to use a low side current measurement in the coil ground to see the current draw waveform. (Much safer prospect for the equipment. My scopes cost a lot more.) And you get to see the real difference between economy coils and the expensive models. I happen to mostly use a 0.01 ohm resistor. Anything up to a 0.1 will work pretty well. With regular coils expect to see about 3 amps at peak draw if the coil doesn't saturate. Signal will be small so scope noise can be an issue. Also also, HV will only show voltage reached before arc occurs. Have to open plug gap to see if high voltage levels are reached. Economy coils will tend to arc internally as volts climb. Arc them enough times and they create a carbon path (charred stuff) and the coil quits.
  15. M Diesel

    Winter cat logging

    That is one of the best ways to spend a day, ever...