Cattini YAK 415/N Manuel D'utilisation Et D'entretien page 16

THE PISTONS FAIL TO GO BACK IN COMPLETELY EVEN WITH THE LEVER IN THE
LOWERED POSITION
- Check the vacuum pump
THE PISTONS RAISE VERY SLOWLY
- Check that the cock located between the tank and the motor pump is open.
16
29 - A04537 29 - A04537 : remove, clean and refit it. Remove and clean the head
EN
28 - A04537 28 - A04537