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Recent content by tugbillmaier

  1. tugbillmaier

    low lube oil pressure EMD 12-645-E5

    They told me that one of the relief valves springs was a lager spring, but did not know what size, i am going to try and put 30 lb springs in the system and hopfuly that will bring the pressure back to 60 psi.
  2. tugbillmaier

    EMD 12-645-E5

    THANKS MIKE i HAVE BEEN WORKING WITH EMD TECH REP, BUT HE DOES NOT HAVE ANT INFORMATION ON THE VALVES , JUST TOLD ME THAT THE NORMAL PSI SHOULD BE 40 TO 70 PSI. THERE IS NOTHING IN THE MANUALS, IT HAS TO BE THAT ONE OF THE RELIEF VALVES HAD A LARGER SPRING IN. WILL SEND SOME PHOTOS AS SOON AS I...
  3. tugbillmaier

    EMD 12-645-E5

    TUGBILLMAIER This for L4189, I enjoyed your reponse to CAPTKHAOS, I have a simular problem, I am the chief engineer on an old navy YTB tug, this one here was YTB-799. Like you explained to Khaos, the flow of the lube oil, I have the michiana filter pot. I recently had the two 20# relief valves...
  4. tugbillmaier

    low lube oil pressure EMD 12-645-E5

    thread321-290487 To CaptKhaos I have the same problem now, I had an oil pressure of 60 psi befor I had my two 20# relief valves rebuilt, now my oil pressure is down to 38 psI. I called the people who rebuilt them and he told me that one valve had a bigger spring. I do not prelube every time...
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