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Pressure regulator question/losing prime--Help

Discussion in 'Wheel Loaders' started by carogator, Nov 8, 2018.

  1. carogator

    carogator Well-Known Member

    Joined:
    Jul 18, 2009
    Messages:
    198
    Location:
    south carolina
    Location: (6500) - 4 CYL TRACTOR LOADER BACKHOE (3/73-10/75) > (07A05) - PRESSURE REGULATOR VALVE, CHARGING PUMP & OIL FILTER/Clarke transmission
    New Holland online parts
    Does anyone see anything in this assy that would cause the loss of prime when sitting for 3 or 4 hours or overnite? Once primed up and working, everything works as should. Is it possible that the safety valve seat (#3 in diagram) may have fallen out when someone opened the regulator for repairs? Or is this seat driven in?