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6. Air-tightness test
1. Place your palm on the filter opening.
2. Slightly breath in and watch whether the mask slightly
presses towards your face and whether any air leaks
between the mask and your face.
NOTICE
If you find any air leakage, adjust the mask position on yourface
and tighten the head straps to eliminate any leakage
Do not use the respirator unless perfect air-tightness has been
achieved.
7. Maintenance
This protection mask should be periodically checked and maintained by trained specialists. All service
records must be archived. Always use only original spare parts. The manufacturer recommends the fo-
llowing maintenance intervals. These intervals can be shorter then stated below due to high frequency
of use. Observe national laws and regulations!
Before use After use 1 per year
Checking before use X
Air-tightness test X
Cleaning X
Visual inspection X X
Valve and valve seat exchange in a service centre X
Functional and air-tightness test in a service X
Whenever the mask is cleaned and sanitized or whenever spare parts exchange has been performed,
the functionality and air-tightness tests must take place but only after these procedures.
Check for cracks, leaks or distortions in the mask. Valve membranes must freely move and the valve
seats must be clean and undamaged.
Inner mask valve and its sealing
(see Figures Annex 5.3)
1. Remove the outlet valve membrane.
2. Press a new inlet valve membrane into the inner mask opening.
ENG CF02 Full-Face Mask Instructions for use