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Recent content by greg2560

  1. G

    4040s red dash light

    This is where the sensor is right side under right foot sitting in tractor. The block that it screws into has a line from the front, one going to the accumulator, and the other line to the rear end housing. The in line is about 1 inch and the out line is about a inch on the block that the...
  2. G

    4040s red dash light

    Found the sending unit on the tractor. Same line that comes from the main pump in the front. It goes into a block that feeds the accumulator. The sensor is stamped 98 Bar.. That is around 1400 psi.. Checked rear remotes right at 2100. So I think def sensor that is no longer available. So going...
  3. G

    4040s red dash light

    Yes it has hfwa
  4. G

    4040s red dash light

    What is this light driving me nuts. Done changed hydro oil and filter and pickup screen. No change. can run 1000 rpm will flicker vary dim. Go down to 850 rpm or so will get brighter. at the 1000 rpm with it dim flicker I can raise the frontend loader and it goes out. I can not find much info on...
  5. G

    jd 4040 hfwa not working

    ok thanks for the info.. will start with the elbow. will the elbow look funky or will not be able to tell till pull out and check the passage. So that small line on the top is the return. I wish i had the full service manual. All i got is the cheap I&T. But better than nothing
  6. G

    jd 4040 hfwa not working

    it does not matter hi or low torque. It pops the blow off protectors just driving no load. Yes lite in the front just added 158 loader. I know it will pop the protectors for sure now with the extra load.
  7. G

    jd 4040 hfwa not working

    has anyone worked on the john deere hydraulic front wheel assist. I have a problem on my jd 4040. When you engauge the drive. I goes to pulling like crazy in any range a.b,or c. The best i can tell. It should work like a hydraulic torque ampifier. When the tractor is going it helps pull...
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