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jd 670a grader

wrench1 ยท 2015-07-10 20:47

one of my blade lift cylinders drifts down. i rebuilt the cylinder and i have the same problem. now im thinking control valve. any ideas i could really use some advice thanks guys d-

Replies3
  1. #1.RC.2015-07-10 22:53

    It should not drift as that rectangular block the steel hoses go into on the ram trunnion is a lock out.

  2. #2wrench12015-07-11 07:36

    oh really if that is true then its great news thank you sir

  3. #3rsherril2015-07-11 07:45

    Try this thread for some more information: HeavyEquipmentForums Sounds like a check valve problem.