Donning Procedure - BioPak 240 Revolution

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7. Don the face piece. Ensure the Kevlar head net ispulled back and away from all sealing edges.IMMEDIATELY OPEN the oxygen supply (Open all theway until the valve stops.) You have approximately 1-2 minutes of ambient air inside the <strong>BioPak</strong> <strong>240</strong>R- -there is no need to panic or hold your breath. BUT,DO NOT GET DISTRACTED AND FORGET TO TURNON THE SUPPLY OF OXYGEN. ASPHYXIATION WILLOCCUR IF YOU FAIL TO TURN ON THE SUPPLY OFOXYGEN. Listen for the alarm again. Look at theTRIM and see your light sequence (RED< GREEN
9. Secure the Velcro hose-tie-downs to the hoses asnear to the CCBA as possible. Pictures below showone correct and one incorrect method. Notice thatthe incorrect method reduces hose length and willcause face piece seal to be lost when moving yourhead side to side.INCORRECTMinimal hose lengthfrom adapter to tiedownCORRECTMaximum hoselength from adapterto tie down10. POSITIVE AND NEGATIVE PRESSURE TESTBEFORE leaving the fresh-air base conduct a properPOSITIVE and NEGATIVE Pressure Test. This test MUSTbe performed WITH the Oxygen cylinder turned on. Verifythat a good face seal and proper check valve operation hasbeen achieved. Face mask seal and check valve operationis verified as follows:
Page 1: How to Successfully Don theBioPak 2
Page 6: Do you have a clean oxygen cylinder
Page 11: Check your gauge pressure every 15-

Donning Procedure - BioPak 240 Revolution

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