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5
5.7 Cleaning
Remove the filter, exhalation valve, inhalation valves, spectacle frame and speech diaphragm. Clean
the facepiece and the components with lukewarm water and mild detergent (neutral, pH 6-8) (e.g.
washing-up liquid). A brush can be used for stubborn dirt. Do not use solvents (e.g. acetone,
turpentine), hot water or bleaching agents (perborate, percarborate).
5.8 Disinfection
After cleaning, disinfect the mask with a disinfection solution and let it dry for a while. Finally,
reassemble the mask. See Service Table.
5.11 Storage
The mask should be stored carefully cleaned, disinfected and ready for use. Keep the mask protected
from direct sunlight, grease and oil. The store should be dry and cool.
A properly stored, unused mask stays in good condition for a long storage period. The components
should not be more than 10 years old. Before use, the mask must undergo a function test, see Service
Table.
Service Table
Component Work to be done Intervals
Before
use
After
use
Every
year
Every 2
years
Every 6
years
Mask, complete Cleaning
Disinfection
Test for function and leak-
tightness/Pro-Tester (point 5.1)
Pre-use check done by the user,
according to point 4.1
Replace visor, head harness and
other parts
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■*)
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Inh. and exh.
valve discs
(11, 12, 18)
Check discs
Replace discs
Check tightness of exh. valve
disc/Pro-Tester
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■*)
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Connector of
the mask (7)
Check inh. valve seat (9)
Verify body inner thread (with gauge)
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Speech
diaphragm
(13, 14)
Check
Replace
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*) when needed
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