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4255 датащи(PDF) 3 Page - 3M Electronics |
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4255 датащи(HTML) 3 Page - 3M Electronics |
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3 / 4 page ![]() Use Limitation This respirator does not supply oxygen. Do not use in atmospheres containing less than 19.5%* oxygen. 1. Do not use for respiratory protection against atmospheric contaminants that have poor warning properties or are unknown or immediately dangerous to life and health (IDLH) or against contaminants which generate high heats of reaction with chemical filters. 2. Do not misuse, alter, modify or repair this product. 3. Do not use with beards or other facial hair that prevent direct contact between face and edge of the respirator. 4. Do not use with unknown concentrations of contaminants. 5. Do not use for escape purposes. 6. Leave the work area immediately and check the integrity of the respirator and replace face mask if: - Damage has occurred or is apparent. - Breathing becomes difficult or increased breathing resistance occurs. - Dizziness or other distress occurs. - You taste or smell the contaminant or an irritation occurs. 7. Store this device in a sealed container away from contaminated areas when not in use. 8. Use strictly in accordance with respirator and filter user instruction leaflet. 9. In case of intended use in explosive atmospheres, contact 3M technical service. * 3M definition minimum 19.5% by volume oxygen Fitting Instructions Before assigning any respirator to be worn in a contaminated area, we recommend that a qualitative or quantitative fit check be performed before entering the workplace. Fitting instructions must be followed each time the respirator is worn. 1. Assemble/adjust head cradle by feeding the perforated strip through the buckle and pressing down on the stud at the required length. Repeat for second strip. 2. Place the respirator over the face, fitting it comfortably on bridge of the nose, then pull the head harness over the crown of the head. 3. If necessary remove the respirator and readjust the head cradle to a comfortable fit and repeat step 2. 4. Take a bottom strap in each hand, place them at the back of the neck and hook the straps together 5. Tighten the top head harness first by pulling on the ends to achieve a comfortable and secure fit. Tighten bottom straps in a similar manner. Strap tension may be decreased by pushing out on back side of buckles. 6. (Where applicable) After tightening the head harness (see 5), slide the 4 plastic |
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