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EROS

©

MF40 Crew Oxygen Mask 

without Stowage Strap

User Guide 

Cup

4NUT0577 issue 3

Box

Summary of Contents for EROS MF40

Page 1: ...EROS MF40 Crew Oxygen Mask without Stowage Strap User Guide Cup 4NUT0577 issue 3 Box ...

Page 2: ...EST button on the regulator Oxygen flow must be heard 1 1 1 2 Cup 1 2 Box After the test the blinker must stay black If it stays yellow check for leakage in the system 4NUT0577 issue 3 Press and hold the PRESS TO TEST AND RESET button on the stowage box After 1 second the blinker must turn black It indicates that there is no leakage in the system 1 2 Cup with ON OFF valve Slightly remove the mask ...

Page 3: ... mask onto the face 2 2 2 3 Box The OXY ON flag indicates that the oxygen supply is on By turning yellow the blinker indicates that oxygen is flowing to the mask CAUTION After any use of a mask always restow it in its stowage container in 100 mode see Section 5 even if it may be necessary to use it again during the same flight 2 1 Cup 2 1 Box By disappearing the piston indicates that oxygen is flo...

Page 4: ...n Normal Mode This mode must be used when pre breathing is performed or after emergency descent when diversion altitude is reached It allows the user to breathe a mixture of ambient air and oxygen To activate the Normal mode turn the rotating knob to the N position Emergency Mode In Emergency mode the regulator supplies an oxygen overpressure It prevents smoke and harmful gases from entering into ...

Page 5: ...me button to the second stop until it feels comfortable To deactivate this function in case of emergency press the red tabs and release them immediately The harness will apply full tension to the user s head O2SaverTM When the regulator is in Normal mode the O2SaverTM mode can be activated by pushing the O2SaverTM button In doing so the oxygen supply stops and only ambient air is breathed hence ox...

Page 6: ...d 5 2 Open the stowage box doors coil the oxygen supply hose in figure eight and position it into the bottom of the stowage box Gently press the coiled hose down taking care not to tangle the stack WARNING Failure to follow the correct packing procedure may prevent repeatable mask deployment performance 4NUT0577 issue 3 ...

Page 7: ...s the red tabs 5 4 While holding the mask position the harness lower spacer against the upper part of the face piece WARNING Failure to follow the correct packing procedure may prevent repeatable mask deployment performance 4NUT0577 issue 3 Harness lower spacer ...

Page 8: ...arness inside the box Continue with the mask regulator assembly Keep the lower spacer of the harness against the upper part of the face piece when inserting the mask inside the box Position the supply hose down the center of the mask to ensure proper alignment when doors are closed WARNING Failure to follow the correct packing procedure may prevent repeatable mask deployment performance 4NUT0577 i...

Page 9: ...towage locking tabs are fully engaged in the box mechanism until tabs click into place Mask stowage locking tabs WARNING Failure to follow the correct packing procedure may prevent repeatable mask deployment performance 4NUT0577 issue 3 5 10 To reset the system fully press then release the PRESS TO TEST AND RESET button on the stowage box ...

Page 10: ...lag disappears when the PRESS TO TEST AND RESET button is released 5 12 Finally press then release the PRESS TO TEST button on the regulator NOTE This step will help release any residual pressure within the mask supply hose 4NUT0577 issue 3 ...

Page 11: ... Avoid common cases of improper packing including but not limited to the following examples DO NOT tangle the supply hose inside the box DO NOT coil the supply hose a loop into the bottom of the stowage box 4NUT0577 issue 3 ...

Page 12: ...5 Packing 7 8 DO NOT shove the harness inside the lens or the face piece CAUTION Avoid common cases of improper packing including but not limited to the following examples 4NUT0577 issue 3 ...

Page 13: ...the supply hose DO NOT engage the oxygen mask inside the stowage box while pushing on flexible hose Flexible hose CAUTION Avoid common cases of improper packing including but not limited to the following examples 4NUT0577 issue 3 ...

Page 14: ...up until it clicks locked 7 Cleaning and Sanitizing The Mask Warning Do not wash the mask with any solvent or detergent Use only EROS SAN 50 wipes to clean and disinfect the facial seals Use only EROS SAN 40 cloths to clean the goggle lens 8 Maintenance Overhaul See applicable CMM Click 4NUT0577 issue 3 ...

Page 15: ...wage box turns yellow and then black within a few seconds Using a Cup Check that the oxygen flow indicator on the supply hose functions Position the mask regulator on the head per normal operation Check that breathing is free and unrestricted in the 3 regulator modes Test the microphone per normal operating procedure Stow the unit per instructions in Section 5 10 Contact http www zodiacaerospace c...

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