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Hitachi zx29u

Discussion in 'Compact Excavators' started by Mplan, Mar 12, 2017.

  1. Mplan

    Mplan Member

    Joined:
    Oct 8, 2015
    Messages:
    23
    Location:
    Ireland
    hi guys,I have a 2013 hitachi zx29u.every time I take off hydraulic breaker I have to release pipe to let off pressure to put it back on.I have no problem with the same breaker on any of the other diggers.the valve on the side of the machine is turned to breaker mode.am I missing something?
     
  2. Tractorguy

    Tractorguy Well-Known Member

    Joined:
    Dec 4, 2015
    Messages:
    145
    Location:
    NC
    When you are putting the hoses back on are you putting the pressure line on first or return? If you put return on first it shouldn't have any pressure in supply line due to attachment now dumping to tank.