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    Hydraulic question

    I used my Komatsu PC28 to dig up my first stump this weekend and I noticed after a while the boom functions got really slow. I read a couple threads about this type of thing and they mentioned pressure relief valves bypassing when they shouldn't for various reasons. I have a diagram of the...
  2. N

    Looking for PC28UU2 Service Manual

    I just picked this machine up before Christmas and would like to check it out with the reference docs in hand. I have located the operator maintenance manual online for free, but can't seem to find the more detailed documents. Hoping that someone on here has one to share to help keep some...
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