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If it is necessary to continue the operation, move to an unpolluted environment and replace the filter with a new,
identical one and repeat the tightness test procedures. While in use, make sure the filter or the half-mask do not knock
against any object which may move the respirator or damage it, affecting its protective capacity.
10 Maintenance, cleaning and disinfection
In order to ensure that POLIMASK always function safely, the following maintenance, cleaning and disinfection tasks
should be periodically undertaken.
10.1 Inspections and periodic maintenance
The user must ensure that all the periodic maintenance procedures of the respiratory protective device are carried out
according to the instructions described in the manual supplied by the manufacturer.
Operation
Cleaning ad disinfection
Practical use and tightness test
Replacement of the valve (the year of manufacture
printed in the middle of the valve)
Replacement of the gasket (4)
Check of the EN 148-1 thread (with gauge)
Visual check undertaken by the user
Legenda:
1.
Sample testing can be carried out only if the device is still sealed in its original package.
2.
Spare devices
3.
see par.10.2
4.
for the models POLIMASK 100/2, POLIMASK 230, POLIMASK 2000 β and POLIMASK 2000 γ replace the filter
connector complete with gasket
The masks which are regularly used must be cleaned and disinfected frequently, in order to ensure an adequate
protection to the user. The device must be cleaned after every use because sweat and saliva depositing on the valve
could jeopardize its protective capacity. The half mask must also be disinfected before use by another person. If
Polimask series half masks are not used for long periods shall be verified ability to function, and additionally must be
subjected to the procedure of cleaning and disinfection. In general, half masks, after a period of eight years, must be
eliminated in order to prevent further use. After the replacement of spare parts which could modify the leak tightness,
a total check of the mask is needed.
10.2 Visual check
Before each use, check that the respirator is both clean and in good condition. Any damaged or defective part must be
replaced before use. It is advisable to proceed as follows:
• Check that the face piece is not damaged by cracks, cuts or dirt. Make sure that the face piece is not permanently
distorted in the sealing area. The material must be flexible and not stiff.
• Check that the inhalation valves are not distorted or damaged by cracks or cuts. Lift the membranes in order to
check that their seat is not damaged.
• Make sure that the head harness is in good condition and perfectly flexible.
• Check that all plastic component parts are not broken or damaged. Make sure that all gaskets are in their seats.
• Check the exhalation valve and particularly make sure that the valve and its seat are not dirty or damaged by cracks,
cuts and distortions.
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 respirator, 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 container. Only recommended disinfectant can be used (code 4437.0360). Follow
Before
Before
release for
each use
use
X
X(3)
After
Every 6
Every 2
each
months
years
use
X
X(1)
X(1)
X
X
X
X(3)
X(3)
Every 6
years
X(2)
X(2)
X
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