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Feb 01/02
(10) Put the hose (4) in the middle in the correct position when the doors
are closed.
Make sure that the mask is fully against the stop of the stowage box.
(11) Close the doors.
Subtask 35-12-41-865-056
C. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU OXYGEN/CREW/OXY/SPLY 1HT HA01
Subtask 35-12-41-860-057
D. Preparation of the test
(1) Make sure that the mask is correctly installed in the box:
(a)
On the OVHD panel 21VU: Push the OXYGEN/CREW SUPPLY pushbutton switch. The OFF legend goes off.
(b)
On the oxygen box: Push the PRESS TO TEST AND RESET control slide. Make sure that the OXY ON flag goes out of view. Release the PRESS TO TEST AND RESET control slide.
Subtask 35-12-41-710-051
E. Test
R (1) Do the operational test of the oxygen mask microphone (Ref. TASK 23-R 51-00-710-004).
(2) Do the operational test of the audio management (Ref. TASK 23-51-00-710-001).
EFF : ALL
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MASK - FULL FACE/QUICK DONNING, OXYGEN (10RN1,10RN2,10RN3,5757HM,5758HM,5759HM,
_______________________________________________________________________________
5760HM,5774HM) - ADJUSTMENT/TEST
________________________________
TASK 35-12-41-710-001
Operational Test of the Full Face/Quick Donning Oxygen Masks
R (5757HM,5758HM,5759HM,5760HM) WARNING : KEEP ALL HYDROCARBONS (FUELS, LUBRICANTS, ETC.) AWAY FROM ALL SOURCE
_______ OF OXYGEN. OXYGEN BECOMES EXPLOSIVE WHEN IT TOUCHES HYDROCARBONS.
WARNING : CLEAN THE TOOLS AND MAKE SURE YOUR HANDS ARE CLEAN TO PREVENT
_______
CONTAMINATION OF THE OXYGEN SYSTEM.
1. Reason for the Job
__________________
Refer to the MPD TASK: 351000-01
Make sure that the all the crew oxygen masks operate correctly.
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied from the External Power
3. Job Set-up
__________
Subtask 35-12-41-860-050
A. Aircraft Maintenance Configuration
(1)
Energize the aircraft electrical circuits (Ref. TASK 24-41-00-861-002)
(2)
On the panel 21VU :
-push the OXYGEN/CREW SUPPLY pushbutton switch (the OFF legend goes off).
EFF : ALL
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Subtask 35-12-41-865-050
B. Make sure that this(these) circuit breaker(s) is(are) closed:
-------------------------------------------------------------------------------
PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
49VU OXYGEN/CREW/OXY/SPLY 1HT HA01
4. Procedure_________
Subtask 35-12-41-710-050
A. Operational test
(1) Do the test of all the full-face/quick-donning oxygen masks.
-------------------------------------------------------------------------------
ACTION RESULT -------------------------------------------------------------------------------
R R R NOTE : The 4th Occupant mask is not connected to the Audio Control____ Panel (ACP). Thus, the steps related to the ACP are not applicable to the 4th Occupant mask.
R R R R 1. On the CAPT Audio Control Panel (ACP) for the CAPT oxygen mask (only), installed on the left side: or On the F/O and 3rd Occupant Audio Control Panel (ACP) for the oxygen mask(s) installed on the right side (F/O mask and 3rd Occupant mask) : - push the INT reception pushbutton switch and adjust the audio level to the minimum level that you can hear. - set the INT/RAD switch to INT.
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