Gas Mask User Manual
Contents
1. our choice Gas Mask User Manual Shanghai Haolin Industrial Co Ltd COVEI ON saseoee etek se ee he es a Se eet 2 2 Service restriction 22 mmm 2 3 Selection of canister 3 4 Inspection before use 3 5 Wear adjust and use 4 6 Maintenance and storage 5 6 User Manual Full Face Gas Mask The product is manufactured in accordance with the requirements of the following standards GB2890 1995 General Technical Specifications for Filter type Protective Mask EN136 1998 Respiratory protective devices Full face masks Requirements testing marking Class Class 3 Full face masks for special use 1 Overview HL BSM1F full face mask can prevent the respiratory system and face from being harmed by hazardous gas and particles The full face mask shall be used together with gas particle or combined canister to form filter type respirator The used canister must be threaded canister that meets EN148 1 2 Service restriction 2 1 The filter unit shall not be used under the condition that the environment and pollutant are indefinite If there is any doubt isolated type respirator that can2. work independently without air must be used 2 2 When there is oxygen deficient environment or a lot of gas that can be replaced by oxygen such as carbon dioxide then the filter unit shall not be used in a confined space such as water storage tank tunnel 2 3 The filter unit can be used only when the oxygen content in air is 18 23vol 2 4 Single gas canister cannot prevent particles and particle canister cannot prevent gas or vapor If there is any doubt about the prevented object combined canister shall be used 2 5 The standard filter unit cannot prevent such gas as carbon monoxide carbon dioxide and nitrogen 2 6 The particle canister used to prevent radioactive substance microorganism virus bacterium fungus and spore or enzyme shall be disposable 2 7 If the mustache hair or spectacle frame of the user affects the tightness of the mask it cannot be guaranteed that the product could provide enough protection Special spectacle frame can be provided for use 2 8 When the breathing apparatus is used in the air with explosion danger the use must meet the relevant use requirements for such area 2 9 The weight of the canister used together with the full face mask shall not exceed 500g HL BSM1F only can be used together with one canister 2 10 If the user starts to smell out the peculiar smell taste abnormal taste or feel irritating the gas canister shall be replaced immediately If the prevented harm
3. ent membrane Inspect the air tightness of exhalation valve membrane Sound Inspection transmission membrane
4. ess of the full face mask will be affected so it shall be replaced in time gt Screw off the clamp screws at the two sides of the viewing window figure 6 gt Dismantle the upper clamp and lower clamp figure 7 gt Dismantle the silicon rubber figure 8 replace it with a new silicon rubber and then install the clamp and screw up the clamp screws and nuts gt Perform air tightness test 5 5 6 3 Replace the headband gt Make each band pulled out from the headband buckle figure 9 gt Replace the new headband make it thread through the buckle in order and inspect whether the tightening force is proper 6 4 Replace the exhalation valve membrane gt Screw off the two screws on the outer housing of the base body figure 10 gt Take out the exhalation valve membrane that shall be replaced and make the new exhalation valve membrane carefully installed figure 11 and then fix the outer housing of the base body with screws inspect whether the air tightness of the mask is normal when inspiration 6 5 Replace the inhalation valve membrane gt Make the inhalation valve seat taken out from the inhalation port replace the inhalation valve membrane install the new one and inspect the air tightness figure 12 6 6 Replace the mouth nose mask and valve plate of mouth nose mask gt Make the mouth nose mask taken down from the base body inside the mask figure 13 gt Make the valve plate on the mouth nose mask take
5. ful gas has no obvious sign for identification then special regulations shall be established for the use time and proper use of the canister 2 11 Particle canister shall be replaced as soon as possible when the respiratory resistance increases 3 Selection of respiratory protective equipment with canister The canister selected according to EN shall meet the requirements of the following standards EN141 Respiratory protective devices Gas filters and combined filters Requirements testing marking EN143 Respiratory protective devices Particle filters Requirements testing marking 4 Inspection before use Inspect the status and completeness of the mask Inspect the completeness of silicon rubber Inspect the status and completeness of helmet Inspect the status and cleanliness of viewing window Proper canister shall be selected according to the use occasion The model and class of the canister shall be clearly indicated on the canister label Inspect the storage life of the canister Inspect the status and completeness of the canister In case that the canister suffers from serious extrusion or collision then the canister shall be replaced because that the canister may have been damaged 5 Wear adjust and use 5 1 Make the canister tightly screwed into the interface on the mask figure 1 5 2 Loosen the helmet figure 2 5 3 When the mask is worn the chin end of the mask shall be firs
6. n down figure 14 inspect the mouth nose mask and the valve plate and they shall be replaced if there is any aging or damage phenomenon and install them in the way that is reverse to the demounting method p p Figure 12 Figure 13 Figure 14 6 8 Mask cleaning gt Disassenble the canister exhalation valve inhalation valve and mouth nose mask gt The mask and parts shall be cleaned with warm water and neutral detergent and the tough stains can be cleaned away with brush except for viewing window gt Do not use solvent such as acetone turpentine hot water or bleaching agent perborate percarbonate 6 9 Disinfection gt After the cleaning the mask shall be disinfected with disinfecting solvent and dry the mask Finally reinstall the mask 6 10 Storage gt Make the mask carefully cleaned and disinfected and under stand by condition The mask shall be stored in a dry and cool place and avoid direct sunlight grease or oil gt The unused mask that is properly stored could be under good conditions for a long term The storage life of mask parts shall not exceed 12 years Function test shall be carried out before the mask is used Refer to table 1 Table 1 Parts Work contents Full mask the Cleaning whole set Disinfection Function and air tightness test Replace viewing window helmet snap ring mouth nose mask and other parts Inhalation and Inspection exhalation valve Replacem
7. tly put on the face and then make the helmet worn on head figure 3 5 4 Uniformly adjust to tighten up the helmet making the central strip attach to the middle position at the back of head figure 4 5 5 Inspect the air tightness of the mask cover the opening position of the canister with hand inhale and if you feel that the mask closely attaches to face then the surface tightness is good If the mask fails to closely attach to your face then inspect or replace the exhalation valve plate or forbid the use Mm Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 5 6 After use the mask must be maintained according to the requirements in table 1 6 Maintenance and storage 6 1 Function and air tightness test If parts are viewing window valve membrane or sound transmission membrane replaced a proper test device must be used for function and air tightness test Such test also shall be carried out for the mask that is to be stored for a long time and not used and the test shall be carried out once a year Inspect whether the appearance of the mask is good whether the elasticity of the helmet is good whether the viewing window and sealing strip are damaged whether the seal ring of the valve membrane or sound transmission membrane is under good conditions and whether its position is proper The damaged parts must be repaired 6 2 Replace the silicon rubber If the silicon rubber part is aged or damaged the air tightn
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