I have a request for a hint, what can be done to speed up the suction of the motor pump or do you see any irregularities in the pump on the video?
[movie: e404eb6918] https://filmy.elektroda.pl/0_1504458843.mp4 [/ movie: e404eb6918]
[movie: e404eb6918] https://filmy.elektroda.pl/0_1504458843.mp4 [/ movie: e404eb6918]