14
DUOTONE
FOIL WING 20 MANUAL
the blue ring clockwise by approximately 90˚. Excessive overturning of the valve may cause internal
damage to the valve system. The arrow markers on the disc and the adapter of the pump indicate
how far you should turn.
4. Pump up the foil wing
NOTE: Due to the manufacturing tolerances of the pump hose (in particular
third-party pumps), some air might escape from the valve while pumping. This however does not
effect the inflation of the foil wing.
5. After inflation, turn the end of the hose (and the blue ring) approximately 90˚counterclockwise.
This will activate the non-return function of the valve.
6. Remove the end of the hose from the blue ring.
7. To achieve an airtight seal, screw the valve cap onto the thread. Take note to place the valve cap
correctly onto the thread for accurate fastening and sealing.
HOW TO USE THE AIR PORT VALVE II
HOW TO USE THE AIR PORT VALVE II
4. HOW TO USE THE AIR PORT VALVE II
INFLATION
1. Unscrew and remove
the valve cap.
2. Insert the end of the
pump hose fully into the
blue ring of the valve.
3. Turn the end of the
pump hose, including
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