26
EN
10.3 Cleaning
Breathing devices must always be clean and hygienic. Moreover, as sweat and
spittle, which deposit on the valve, can prejudice the right working of the re
-
spirator, it is necessary to clean the mask after using. After disassembling the
component parts, if necessary, clean thoroughly with tepid water containing a
light deter-gent. Never use solvents! Exhalation and inhalation valves must be
cleaned with special care.After cleaning it thoroughly, rinse under running water
and hang up to dry in the open air or in special cupboards. Avoid exposure to
direct solar heat and temperature over 50°C. When dry, reassemble correctly all
the component parts.
10.4
Disinfection
If the halfmask has become particularly dirty or is to be used by another person,
it should be disinfected. After cleaning the mask thoroughly, disinfect it in a con
-
tainer. Only recommended disinfectant can be used (code 4437.0360). Follow
the instructions for use as indicated by the manufacturer. Finally rinse under
running water and dry, following the cautions in point 7.3.
11 Storage
The mask must be stored at standard temperature, not higher than 50°C, pro
-
tected from cold and humidity, the rays of sun, intense heat, corrosive substan-
ces which can damage the rubber component parts, shocks, risk of falling down,
dust and dirt. In order to avoid distortion, the rubber component parts must
not be submitted to prolonged tensions and pressures. It is advisable to keep
unused half masks in their original packaging. The masks must be stored in their
cases or in special cupboards.
12
Specific maintenance instructions and replacement procedures
When the mask is disassembled in order to be cleaned and disinfected, it has
to be reassembled following the same procedures of spare part replacement.
Make sure that all the component parts are correctly assembled.
12.1
Replacement of the connector/inhalation valve (Polimask 330, Po
-
limask 2000 α)
Unscrew the external part of the connector by using the maintenance key pro-
vided. Remove the valve seat, paying attention to the sliding ring. Check that all
components are clean and undamaged and replace them if necessary. When
reassembling the connector, place the sliding ring on the valve seat with its smo-
oth side turned towards the seat itself. Push the inhalation valve seat from the
inside through the faceblank opening and unscrew the connector by means of
the maintenance key.
