Put the G1 regulator hose through the retaining loops on the shoulder strap with the hose connector end in the direction of the pressure reducer. Remove the cap from the G1 hose and connector. Make sure there is an O-ring in the hose connector. G1 AirHawk II SCBA...
(4) Use a ¾ in. flat wrench to hold the regulator hose fitting. (5) Use a ¾ in. crowfoot connected to a 60 - 300 in·lbf torque wrench to tighten the G1 hose fitting to 125 ±5 in·lbf (14.2 ±0.6 N·m). G1 AirHawk II SCBA...
1125 psig for high-pressure systems. (10) Make sure the alarm activates and continues to activate until pressure is less than 200 psig. (11) Turn the regulator bypass knob clockwise to close the regulator bypass valve fully. G1 AirHawk II SCBA...
Apply the new NIOSH Approval Label supplied in the G1 upgrade kit to the backplate. Recording Serial Numbers Use an MSA Inspection and Maintenance Checklist for Self-Contained Breathing Apparatus (PN 492329) to record the serial numbers on the current and replacement NIOSH Approval Labels.
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Maintenance and Repair Procedures G1 AirHawk II SCBA...
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