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  1. mljohn

    Mack/Renault midliner

    do you still work for renault?
  2. mljohn

    980H park brake and hydraulic

    put a couple pounds of air pressure onthe hydraulic tank then start and boom up and down
  3. mljohn

    CAT 226B oil pressure weirdness

    is the engine building crankcase pressure
  4. mljohn

    944e lull throttle responce

    machine has no codes present
  5. mljohn

    944e lull throttle responce

    have a electronic b cummins . the throttle acts as if it is de rated until a hydraulic function is energized then throttle is normal. is there a interface to the engine ecm from the hyd. system?maybe a pilot signal? the pump unloader valve is controlling the pump pressure correctly. the engine...
  6. mljohn

    420D deere no steering

    steering wheel will not move left or right. removed HMU found nothing inside except the check valve was very hard to remove, cleaned and reassembled and the problem is the same. the HMU spins freely until the air is purged from it, when it sees pressure it locks up. This model has the priority...
  7. mljohn

    Brand New unused 966K with this malfunction

    joy stick ?
  8. mljohn

    980H rough Idle

    does the 980h require trim files?
  9. mljohn

    980H rough Idle

    yea fls fts got confused with some Harley Davidson flh flt sorry for any confusn
  10. mljohn

    980H rough Idle

    save what config data you can and replace the ecm I have seen this several times
  11. mljohn

    980H rough Idle

    are the parameters in configuration for FLT FLH settings blank?
  12. mljohn

    Cat 277b stuck in park

    be sure to check the detent solenoid on the rt joy stick
  13. mljohn

    independent CAT contractor

    independent CAT contractor
    • mljohn
    • Profile post
  14. mljohn

    Cat 963 C track adjuster help

    you have to compress the spring in order to replace the pins. requires special adapters and tooling to do it safely hopefully the pins arnt frozen
  15. mljohn

    988f series 2 no start

    A dealership with a dyno can do it
  16. mljohn

    951C coupler

    thank you tc
  17. mljohn

    951C coupler

    thank you tc would that be from the top or better from the bottom
  18. mljohn

    951C coupler

    anyone tried to replace a torque to engine coupler without removing the trans or engine
  19. mljohn

    School me on transmission PTOs

    not all 545 allisons have pto gears in the trans check it out before you commit
  20. mljohn

    d8h final drive

    thank you
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