4. Change the exhalation membrane
2020-04-23
OI06H-0218 SR 520
7
4.1
Snap off the valve cover.
4.2
Slip off the membrane.
4.3
Press the new membrane
onto the pin. Carefully check
that the membrane is in
contact with the valve seat all
way round.
4.4
Press the valve cover into
place.
A clicking sound indicates
that it is in place.