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Manual de usuario Keyspan, modelo Full Face Mask 9000422 E

Fabricar: Keyspan
Tamaño del archivo: 993.72 kb
Nombre del archivo: 64cefb11-6cc4-4888-9baa-0bdcb7a46ade.pdf
Idioma del manual:en
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Resumen del manual


009775 Edition C April 2002 (Stamp comment 100x133 ahrncic 05.05.2005 4:27:19 blank) 9000422 E (Stamp comment 100x133 ahrncic 05.05.2005 4:28:05 blank) 1 User Instructions SEA FULL FACE MASK SEA Full Face Mask, Natural Rubber Model No. FN SEA Full Face Mask, Silicone Rubber Model No. FS SEA Full Face Mask, Chloroprene Rubber Model No. FC SEA Full Face Mask Procomp Model No. FP 1. General The SEA full face mask is a panorama full view mask. It is designed to protect the respiratory system and face against hazardous gases and particles and to maintain a wide field of vision. The mask is used as a filtering device together with gas, particle or combined filters (threaded filters) as well as with portable and hose-fitted constructions. The mask has a speech diaphragm made of plastic film with minimal sound absorption. The SEA full face mask conforms to EN 136 in Europe and AS1716 in Australia. Respiratory filters may be of one of two types: • Threaded filters conforming to EN 148-1. • Clip-in filters, to be fitted to the filter adaptor supplied with the mask, which is then screwed into the mask. 2. Limitations of use 2.1 The filtering device must not be used if the environment and contamination are unknown. In case of doubt,self-containedrespirators which function independently of the atmosphere must be used. 2.2 The filtering device must not be used in restricted spaces (e.g. cisterns, tunnels) because of oxygen deficiency or presence of heavy oxygen-displacing gases (e.g. carbon dioxide). 2.3 The filtering device may be used only if the oxygen content of the air is 18 -23 vol.% (minimum USA 19,5%). An oxygen analysis instrument is recommended for measuring the oxygen content. 2.4 Gas filters do not protect against particles. Similarly, particle filters do not provide protection against gases or vapours. In case of doubt, use combined filters. 2.5 Normal filtering devices do not protect against certain gases such as CO (carbon monoxide), CO2 (carbon dioxide) and N2 (nitrogen). 2.6 SEA recommends that filters be changed aftersingle use if they have been used against radioactive agents, micro-organisms (virus, bacteria, fungi and spores) or enzymes. 2.7 It is likely that adequate protection cannot be guaranteed if the sealing edge of the mask is obstructed by the user’s beard, hair or spectacle frames. With the SEA full face mask one can use special spectacles (see spare part FSF-T). 2.8 When a breathing protector is used in explosive atmospheres, please follow the instructions given for such areas. 2.9 The weight of filter used with a full face mask shall not exceed 500 g. 2.10 Gas filters shall be replaced when the user begins to sense odour, taste or irritation. Filters used against detrimental gases that do not display any significant indications, require special regulations for the duration of use and correct usage. 2 2 3. Selection of breathing protector equipped with filter – Applies to NON-USA users Type of protective device Multiples of threshold concentration Remarks, limitations Full face mask with particle filter P2 15 Particles, excluding radioactive substances, bacteria, fungi, viruses and enzymes Full face mask with particle filter P3 400 Particles Full face mask with gas filter *) 400 Filter types A, B, E, K, AX, SX, Hg-P3 and NOP3 have different applications. For more information, see User Instructions of SEA threaded filters. Full face mask with combined filter The specified multiples of threshold value for the gas or particle filters are given separately, but in all cases the lowest value applies *) Provided that the maximum permissible detrimental gas concentration for the gas filter is not exceeded. For non-powered filtering devices with gas filter, concentration must not exceed 0.1 vol.% in gas filter class 1 and 0.5 vol.% in gas filter class 2 and 1.0 vol.% in gas filter class 3. 4. Preparations for use, and Donning 4.1 Before use, check the following: • facepiece condition and intactness • intactness of rubber parts • head harness condition and elasticity • visor condition and cleanliness • that speech diaphragm is in place • that exhalation valve is in place and exh. valve cover is properly fastened • that inh. and exh. valves function properly • that the filter is correct for the intended use. Filter type and class are evident from the marking. • storage period of the filter. 4.2 Screw the filter tightly in the connector of the mask (=inhalation valve body) (fig. 1). 4.3 When needed, connect the spectacles to the inner mask and adjust their position (see instructions provided with the spectacle frame). 4.4 Loosen the head harness. 4.5 A sweat band is recommended to control excessive hair (fig. 2). 4.6 Don the facepiece by placing first the jaw end on your face, then pull the head harness over the head (fig. 3). 4.7 Adjust the head harness evenly (straps in the order 1-2-3) so that the cradle lies centered on the back of the head (fig. 4). 4.8 Check the tightness of the mask by closing t...


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