Filling; Checking The Valve - Kuhn Rikon DUROMATIC Mode D'emploi

5. Filling

Never fill the pan more than two-thirds full including the liquid you
have added (see the two-thirds mark on the inside of the pan).
Never fill the cooker beyond half full if you are preparing soup,
certain cereals, dried pulses (see page 89) or dried beans.
If overfilled, the safety elements may become impaired
(risk of scalding).
Never forget to add liquid (see the table of cooking times in section 16),
as complete evaporation will spoil food and overheat the cooker.
Stir salt until it is completely dissolved. To avoid damage to the
stainless steel, do not store salt water or heavily salted foods in the
pressure cooker. Even the smallest amount of dampness containing
salt will cause corrosion.

6. Checking the valve

The valve is a safety device!
Check whether the valve cap is screwed on tightly; if not, screw it on
tightly (see the cleaning and care instructions in section 11).
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Check to see whether the valve is free to move by
pulling gently on the pressure indicator. If the valve
cannot be moved, do not use the pressure cooker.
(see Troubleshooting in section 12)