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Bobcat 325 intermittent boom lift problem!

Discussion in 'Compact Excavators' started by blaster2005, May 13, 2019.

  1. blaster2005

    blaster2005 New Member

    Joined:
    May 26, 2007
    Messages:
    3
    Location:
    missouri
    I have an older Bobcat 325 mini excavator. It is very basic, no electronics or computer. My problem is sometimes the boom will not raise. If I push the joy stick all the way forward and then pull back quick it will sometimes work. Its only happens sometimes, usually when the bucket is full of dirt. How do I determine if its a joystick problem or spool valve? Also, my blade slowly drops after lifting, bad load hold check valve? Any help would be appreciated!
     
  2. ITW

    ITW Well-Known Member

    Joined:
    Feb 8, 2019
    Messages:
    111
    Location:
    Norway
    You could switch the hoses on the joystick to see if it's the stick ore the valve.
    The blade could also be the slide that have bad seals ore dirt in it.
     
    uffex likes this.
  3. blaster2005

    blaster2005 New Member

    Joined:
    May 26, 2007
    Messages:
    3
    Location:
    missouri
    Thanks for your reply! That is a good idea, I need to try that. As for the blade, are you talking about the seals in the ram?
     
  4. ITW

    ITW Well-Known Member

    Joined:
    Feb 8, 2019
    Messages:
    111
    Location:
    Norway
    No in the slide, in the hydraulic valve that controls the oil flow to the ram.
    It can also be an internal leak in the ram.
     
  5. blaster2005

    blaster2005 New Member

    Joined:
    May 26, 2007
    Messages:
    3
    Location:
    missouri
    Ok thanks, When I get time to work on it and figure it out, I will report back with my findings.
     
  6. uffex

    uffex Senior Member

    Joined:
    Jan 23, 2012
    Messages:
    1,632
    Occupation:
    Admin
    Location:
    Lincoln UK
    Good day
    That is a strange problem suggest you check that the cylinder jacket has not swollen.
    Kind regards
    Uffex