Having problems w/sk035 like if all of the flow in P1 is going strait to tank (0 psi) only P2 (left travel, arm & swing) & P3 (rotation & blade) are fine (withing 3800psi) And pilot pressure (500 psi) fine as well. Please some guiadance to locate problem will be fully apreciated, all ready rebuild the pump, the boom is foldee and all way down, if I tray to unfolded pushhing the arm down (unfold) it will raise the boom only if actuate right control at same time (means that the RControl is fine cos is sending pilot pressure to operate boom valve letting fluid return to tank, letting the whole boom raise while pushing arm down I hope I explain my self well) tanks.
Kobelco SK035 MiniExc. no hydraulics right hand side controls (boom, bucket & Rtravel
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