User manual
52
4. When the exhalation unit has been removed,
press the threads to remove the diaphragm unit
from the exhalation unit. Place your hand over the
diaphragm unit to prevent it from getting lost.
5
. Clean the spring, cover, diaphragm unit and
mouthpiece in water. Carefully pull the dia-
phragm unit so that the diaphragm is stretched
and the dirt on the surface can be removed. Make
sure that the diaphragm unit and the loose parts
are not damaged.
6
. There is a white plastic sealing disc on the diaphragm
unit. The sealing disc must be removed and cleaned.
Clean the inner parts of the diaphragm unit. Clean
the inside of the diaphragm unit's black sealing ange
that is in contact with the sealing disc. Make sure that
the diaphragm does not have any holes or damage
from wear. If the diaphragm needs to be replaced,
this must be done by a certied service technician.
7
. After washing and rinsing, the parts are disinfected by submerging them in a solution consisting of 0.1 %
chlorhexidine and the rest water for one hour.
8
. Clean the parts carefully in clean water and allow them to air dry.