S 865-075
(2)
Remove the mask and the demand/regulator from the stowage box (Ref 35-11-18/201).
S 735-106
(3)
Make sure the N-100% control is at the N and the PRESS TO TEST knob is at non-emergency.
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747-400 MAINTENANCE MANUAL
(4) S 865-076Push the harness inflation ears on the demand/regulator and hold in position.
(5) S 735-077Make sure the flow blinker on stowage box momentarily shows flow and then goes off.
(6) S 865-078Put the mask and demand/regulator on and release the harness inflation ears.
(7) S 735-079Make sure the harness deflates and goes down to the head shape.
(8) S 865-080Close the stowage box doors.
(9) S 715-207Breathe through the mask.
S 735-081
(10)
Make sure the flow blinker shows flow when you inhale.
S 715-208
(11)
Make sure you can breathe without difficulty.
S 865-084
(12)
Turn the PRESS TO TEST knob to EMERGENCY.
S 735-085
(13)
Breathe thru the mask, and make sure you can breathe without difficulty.
S 865-248
(14)
Turn the PRESS TO TEST knob to non-emergency.
S 865-087
(15)
Make sure the N-100% control can be moved to the N position.
S 015-209
(16)
Move the N-100% control to the 100% position.
S 865-088
(17)
Push the harness inflation ears on the demand/regulator and remove the mask and demand/regulator from your head.
S 715-210
(18)
Release the inflation ears.
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MAINTENANCE MANUAL
S 735-070
(19) Do these steps to do a test of the oxygen mask microphone:
(a)
Push the FLT microphone selector switch on the audio control panel (ACP).
(b)
Push and hold the PTT (R/T/INT) switch on the ACP to the INT position.
(c)
Speak into the oxygen mask microphone.
(d)
Make sure your voice can be heard on a pilot's headset or flight deck speakers.
(e)
Release the PTT switch on the ACP.
S 865-090
(20)
Put the mask and demand/regulator in the stowage box (AMM 35-11-18/201).
S 735-091
(21)
Do the task: "Crew Oxygen Mask and Demand/Regulator Stowage Box Test" for all the other crew stations with the crew mask.
S 865-114
(22)
Close the access door to the crew oxygen cylinders.
S 725-200
(23)
Do the task: "Crew Oxygen Pressure Reducer and Pressure Regulator Test"
TASK 35-11-00-725-198
8. Crew Oxygen Pressure Reducer and Pressure Regulator Test
________________________________________________________
A. Standard Tools and Equipment
(1)
Gage - Pressure, 0-2000 psi
(2)
Hoses - Flexible, Clean High Pressure
(3)
Fittings - Tee, Clean (as applicable)
B. Consumable Materials
(1)
G00091 Compound - Oxygen System Leak Detection (MIL-L-25567)
(2)
G00713 Cloth - Clean, Dry, Lint-Free, White Cotton
(3) G01505 Copper Lockwire 0.020 inch diameter G01505
C. References
(1)
AMM 20-41-01/201, Static Grounding
(2)
AMM 24-22-00/201, Manual Control
(3)
AMM 35-00-00/201, Oxygen
D. Access
(1) Location Zones 124 Forward Cargo Container Compartment, Aft Half Right 221 Control Cabin, Left 222 Control Cabin, Right
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本文链接地址：747-400 AMM 飞机维护手册 氧气 OXYGEN(23)
