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  1. M

    Cummins 220 compression release

    That's how this system works it has one glow plug in the intake manifold and it has a hand pump on the dash, when you pump the fuel in it atomizes the fuel and the glow plug ignites it just like a torpedo heater. Mark
  2. M

    Cummins 220 compression release

    I have read that heat guns or a hair dryer works pretty good probably be a lot simpler just to use one of these if it wasn't for the fact I would have to drag the extension cord out every time because sooner or later you might find yourself somewhere where you don't have any juice. Mark
  3. M

    Cummins 220 compression release

    Thank you very much for that file Kshansen it was very helpful. You should read the Komatsu owners manual if you want to have a confusing read. Who ever translated from Japanese to English didn't have a a very good grasp of the English language not to mention knowing the machine itself. The...
  4. M

    Cummins 220 compression release

    Thanks for the reply Junkyard. That's what I did the other day it got down to about 25 degrees overnight and I suppose it was about 30 when I tried to start it. I held the comp. release in until she was turning over then released it being she wasn't plugged in it was a little slow to start but...
  5. M

    Cummins 220 compression release

    I have a Komatsu 75 S-3 crawler and I have a question about the use of the compression release particularly when the motors cold. I have the owners manual and they don't even make reference to it. So am I suppose to engage the comp. release until it starts or just until it starts to turn over...
  6. M

    Komatsu D 75S-3 manifold heater

    I just bought this crawler about 2 wks. ago and I went over today to fire it up and she wouldn't light. Blueish white smoke out of the stack but not even a pop it also has a float tank which I've heard can be troublesome with starting but the PO said he recently cleaned it. It has a Cummins NTO...
  7. M

    Komatsu D75 S-3

    Well ain't this a small world. I guess I shouldn't be surprised that a heavy machinery mechanic hangs out on a forum dedicated to these machines. Mark
  8. M

    Komatsu D75 S-3

    Thanks for the reply RZ. I know what your talking about I bought a Case 580C backhoe a few yrs. back and it had a rusty tank and like you say the rust flakes are giving me trouble now. I have to take the fuel line off and blow air back to the tank to clear it, you have to pull the motor to...
  9. M

    Komatsu D75 S-3

    Thank you for the reply DMiller . I was just reading about the float tank today that can cause some trouble, thanks again. Mark
  10. M

    Komatsu D75 S-3

    Hello all I figured the forum would be a good place to ask my questions. I just bought a beast of a dozer for clearing about 15 acres of brush and stuff. Its a 1979 Komatsu D 75 S-3 crawler its a 46K lb. beast but my question is when running it the motor lopes up & down not bad but I would like...
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