09. SUCTION ENGINE TURNS ON, BUT DOES NOT SUCK
Suction engine turns on, but does not suck; the the float rises but suction stops.
1) Remove the head
2) Check that the anti-foam kit is not blocked by dirt
3) In this case it is best to remove the anti-foam kit for cleaning
4) After cleaning, reassemble the anti-foam kit by turning it clockwise
5) CAUTION: Be sure to direct the float in the anti-foam kit so that the TOP is upwards