Hi, I have an excavator sk160lc, i got a leak n i refilled the tank n the next am when i went to checkk it it was empty again? I think theres something goin on where there like 4 hoses that come together down by the middle section of the exavator..There is a code that comes up that says psv then it will go on to say e/g? Do i have a leak or is there something i missed when i dumped hydralic oil in it? ANy help would be very much appreciated
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