30 Combi MODULE
7.6 Stop aspiration
1. Check the oxygen reserve at the contents
pressure gauge of the pressure reducer.
2. Close the oxygen supply valve and wait until the
system is depressurized.
3. Turn dial
5 to the left-hand stop (to “zero”). This
prevents the pressure gauge being damaged by
hammering when the device is switched back
on.
4. Switch the module off using toggle switch
9.
5. Clean and disinfect/sterilize the device and the
device parts (see “11. Hygiene treatment” on
page 39).
6. Then perform a function check (see “12.
Function check” on page 42).