Hi, I watch your videos a lot, I think you are very familiar with komatsu. can you give me a solution to my problem with my modified komatsu PC220-6 without electronics. 1 / how can I check if the pump pressure is correct? I have the pressure gauges. 2 / the boom descends slightly and stops after a short time when I touch the lever slightly it is not a good situation for the maneuvers. Thank you in advance for your answer. best regards