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pilot controls

  1. M

    Kubota KX121-2 hydraulic schematic

    Hello, I'm currently looking at a KX121-2 which hasn't got any of the functions on the levers working. The tracking and blade do work. I've checked the safety switches in armrests and am getting power to the solenoid when the safety lever is down, and off when the lever is lifted up again...
  2. W

    ''cat 303cr No pilot controls

    I have a 303CR, serial DMA-05055. I have been trying for a while to diagnose hydraulic or electrical issues. I have the unit running now and all electrical issues seem to be fixed. But, I still can't figure out the pilot controls issue. Blade functions as it should but I don't have any other...
  3. K

    Komatsu PC35MR-2 swing and blade wont move when cold

    Hello. I have Komatsu PC35MR-2 2006 year, F00878 serial number.... When its cold ( at first start ) controls for swing and blade not working, sometimes works 3-5 seconds and stopped working, others pilot controls working fine ( for working equipment, travel, boom swing, and attachment line)...
  4. J

    Cat 308B pilot Control valve

    Does anyone know where pilot control valve is on a cat 308BSR to switch from cat to JD. TIA
  5. A

    Cat 303.5e sticky hydraulics

    Hey got a cat 303.5e mini excavator when using a function such as boom bucket or stick it stops and I have to release the joystick then pull back and it starts again, the functions also slow down when this happens, this same problem also occurs while tracking and you have to release the lever...
  6. J

    Pilot control towers won’t stay in place

    Hey everyone. New member. I just bought a 2010 Case 580 super M series 3 backhoe. The pilot control towers aren’t staying in place. It operates fine and I could leave it but would like them to be secure. I’m pretty handy but never worked on machines. Wondering if this might be something I could...
  7. O

    Liebherr 631 no loader functions

    Hello everyone! Been down in the hills trying to earn a dollar today, patient is an older Liebherr 631 (V6 engine). runs and drives ok but has no lift or tilt. I assume this could be a park/ interlock issue, does anyone have an idea on what would take out the loader functions and leave the...
  8. D

    Terex hr16 pilot pressure pump problems

    Greetings, this is my first post. I am having trouble with the pilot controls on my Terex HR16 excavator. I have found the information on this forum most helpful, And I am Thankful you are here! My excavator machine: Terex HR16. Year 2003 Pump installed : Kayaba PSVD2-18e-3. Appears to be...
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