01_AirXpress One_2 Fire_Donning Poster_A1_Rev00_GB_Poster AirXpress 06.04.2016 15:34 Seite 1 AirXpress One / AirXpress 2 Fire SCBA EN 137, Type I / Type II Before Use: Check all components of the device for defects and malfunctions. 1 Donning the Device and Closing the Chest Strap 6 • Close cylinder valve. • Block outlet of demand valve with your hand and slightly push exhaust button to release the air slowly. • Watch pressure gauge. Warning signal must sound at 55 ±5 bar. • Close demand valve. Then open cylinder valve two circles. 2 Tightening the Shoulder Straps • Tighten shoulder straps until back plate fits comfortably. 7 Donning the Mask • Loosen all head harness straps. • Place neck strap around the neck. • Put your chin into the lower part of the mask and pull over the mask. • Completely pull back the head harness over your head. 3 Closing the Hip Belt • Close hip belt and tighten loose ends towards the back. 8 Tightening the Straps • Properly tighten the two lower straps by pulling them in backward direction. • Tighten the two middle straps. • Tighten the one top strap. 4 Adjusting the Shoulder Straps 9 Leak Test • Don device with shoulder straps fully extended. • Close the chest strap. • Adjust shoulder straps to achieve a comfortable weight distribution between shoulder straps and hip belt. Checking the Alarm Function • Block the inlet of the mask and make a deep inhale once to check the air-tight property of the mask. • The mask and your face are sealed if there is no air flow inside the mask. Note: If there is coupling in medium pressure hose, connect demand valve to medium pressure connector. 5 Checking the Pressure • Push red button to close demand valve. • Open cylinder valve and check pressure. • The pressure must not drop more than 10 bar in 60 seconds. facebook.com/MSAsafety facebook.com/MSAsafetyFire youtube.com/MSAsafety 10 Connecting the Demand Valve • Push outlet of demand valve into air inlet mask until you hear the “click” sound. • Take a deep inhale breathing, to switch on the demand valve. • Make several inhale and exhale breathing to check if everything is alright before entering the work place. MSAsafety.com