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�a <br /> ' 4 <br /> ATTACHMENT C <br /> HALF-PACE RESPIRATOR INSTROCTIONS <br /> Insi>ection Procedures <br /> € 1. Look for breaks or Years in the headband material= also stretch <br /> to check the elasticity, <br /> 2. Mate sure all headbands, fasteners and adjusters are in place <br /> f and not bent. <br /> 3. Check the facepiece for dirt, cracks, tears or holes. The <br /> rubber should be flexible, not stiff, <br /> 4. Look at the shape of the facepiece for possible distortion that: <br /> may occur if the respirator is not protected during storage. <br /> 5. Check the exhalation valve located near the chin between the <br /> cartridges. <br /> a. Unsnap the cover, <br /> b. Lift the valve and inspect the seat and valve for cracks, <br /> tears, dirt or distortion. <br /> c, Replace the cover. It should spin freely. <br /> ' 6. Check both inhalation valves (inside the cartridge holders). <br /> } Look for same signs as above. <br /> 7. Check the yoke for cracks. <br /> .w 8. Make sure the cartridge holders are clean. Make sure the <br /> gaskets are in place and the threads are not won. Also look <br /> ' for cracks and other damage. <br /> 9. Check the cartridges for dents or other damage, especially in <br /> 17 <br /> the threaded part. <br /> Donning Proced•3res <br /> 1. Screv the cartridge into the holder hand tight so that th*re is <br /> a good seal_ with gasket in the bottom of tt_ holder, but don't <br /> force it. If the cartridge won't go in easily, back it out find <br /> try again. <br /> Always use cartridges made by the same marifacturer who male <br /> the respiratoz, <br /> 2, place the facepiece over the bridge of your nose and swing the <br /> bottom in so that it rests against your chin. <br /> r• <br />-� <br />