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  1. C

    PC35 Hydro safety valve

    Morning all, looking at the drawings of this machine it looks like it is called the safety valve. There is pretty much no info I have been able to find. Whenever I type something in I get a main pressure relief valve which is not the same thing from my understanding. I am curious what this valve...
  2. C

    PC35 Safety Valve

    Morning all, looking at the drawings of this machine it looks like it is called the safety valve. There is pretty much no info I have been able to find. Whenever I type something in I get a main pressure relief valve which is not the same thing from my understanding. I am curious what this valve...
  3. C

    PC 35 Internal Hydro Leak

    Good afternoon all, I am having an issue with my Komatsu PC 35R-8 ... when it starts there is a hissing sound in the valve block body. This sound is there with or without the safety lever being engaged. I used an IR camera and it appears the top and bottom of the block are heating up rather...
  4. C

    Hydraulic loss of power

    Morning all, I have Komatsu PC35R-8 Serial #F21286. The machine has 1100 hours on it, had no issues when I purchased it approx 3 months ago. I does have one leaking cylinder but not critical to operation and not a significant loss. Recently I seam to lose power after the machine is on and hydro...
    • cpmartin1989
    • Thread
    • excavator filter hydraulic komatsu loss of hydraulics loss of power mini pressure
    • Replies: 13
    • Forum: Excavators
  5. C

    General Maintenance Questions

    Morning everyone ... question is in regards to a mini ex I purchased. Model PC35R-8, Serial # F21286 I purchased the operation manual. I am a little confused as all the other machines I have, "old equipment" calls for just generic hydro oil. This is calling for SAE10W ... the company I bought...
  6. C

    MF50A oil leak

    Morning all, I recently got MF50A, everything works as it should on the TLB which is rather impressive for its age. Mainly small stuff on the 5 acres I just bought so I think I will get moneys worth in no time. But it does have one strange issue, it leaks engine oil out of a small hole on what...
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