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John C.'s Recent Activity

  1. John C. replied to the thread My 2 komatsu excavators need final drive oil change!!!!.

    They use 30wt. motor oil. Do not put gear oil in them.

    Jul 4, 2020 at 5:17 AM
  2. John C. replied to the thread New member/new owner of a komatsu pc138 uslc-8 thats needs help..

    Are there any alarms on the monitor panel? Do you know how to check for fault codes? Here is a video showing how to get into the...

    Jul 4, 2020 at 5:11 AM
  3. John C. replied to the thread Komatsu D85-18 Transmission problem.

    Might be a suction leak on the filter housing. Old transmission pumps tend to do that as well. Is it transferring oil into the engine?...

    Jul 4, 2020 at 4:56 AM
  4. John C. replied to the thread Leaking final drive.

    I've not had to work on those. They should act the same as any hydraulic motor.

    Jul 4, 2020 at 4:51 AM
  5. John C. liked crane operator's post in the thread Crane lifting a Crane (youtube video).

    The crane with tray on, is essentially like two cranes, with two lattice booms. One boom is lifting the load, one boom is lifting the...

    Jul 3, 2020 at 2:56 PM
  6. John C. replied to the thread Help Needed – NH L216 “Active Regen” not really active.

    It sounds like the machine is not going into regen at all. What brand or make is the machine?

    Jul 2, 2020 at 5:05 PM
  7. John C. liked Tugger2's post in the thread Crane lifting a Crane (youtube video).

    That stack needs to hang on its own for the crane to swing ,no wheels or tracks to help carry it when theres no load on the crane. Id...

    Jul 2, 2020 at 4:59 PM
  8. John C. liked funwithfuel's post in the thread Volvo help needed - setting pressure on optional hydraulics for thumb.

    please see the attached installation instructions page 2 . You will see the 2 nipples, particularly Pd. That should be the 2 stage...

    Jul 2, 2020 at 4:48 PM
  9. John C. replied to the thread Crane lifting a Crane (youtube video).

    What little I've seen with the big crawlers and wheel horses or trays was that they were generally used when the main booms were picked...

    Jul 2, 2020 at 4:44 PM
  10. John C. replied to the thread Identifying These Drives.

    It's pretty cool messing with old stuff and coming up with ways of making it produce something again. A bunch of years ago I built a...

    Jul 2, 2020 at 5:54 AM