(b)
Make sure the OVERHEAD annunciator light on the P7 glareshield is off.
S 415-040
(6) To close the mask box door on all the service units, do the steps that follow:
(a)
Hold the mask box door in its position, turn the test stop button clockwise 90 degrees and release the button (Fig. 501).
(b)
Push the test stop button up until you hear the sound of a click, then release the test stop button.
NOTE: The sound of a click shows that the actuator is set.
____
(c) Make sure oxygen mask door is correctly closed and latched.
S 865-041
(7) Remove the electrical power if it is not necessary
(AMM 24-22-00/201).
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
TASK 35-22-00-705-042
3. Passenger Oxygen System - Latch Mechanism Manual Actuation Test
_______________________________________________________________
A. References
(1) AMM 24-22-00/201, Manual Control
B. Access
(1) Location Zone
100 Upper Half of the Fuselage
C. Prepare for the Test
S 865-043
(1) To release the test stop buttons on all the service units, do the steps that follow:
NOTE: If the system was tested by automatic actuation, and the
____ test stop buttons are in the set position you must then release the test stop buttons.
(a)
Use a small flat tool to carefully push the test stop button down.
(b)
Hold the button and pull it down to its limit of travel.
(c)
Turn the button counterclockwise 90 degrees to the test position.
D. Mask Drop
S 865-044
(1)
On the P5 aft overhead panel, push the PASS OXYGEN switch to ON.
S 215-045
(2)
Make sure the PASS OXY ON light comes on.
S 215-046
(3)
Make sure the two MASTER CAUTION lights and the OVERHEAD annunciator light on the P7 glareshield comes on.
S 215-050
(4)
Make sure all the mask box doors in the passenger cabin are unlatched and that they are against the test stop buttons.
(5)
Open the OXYGEN SYSTEM IND circuit breaker on the P18 panel.
S 865-071
(6)
Wait ten seconds and close the OXYGEN SYSTEM IND circuit breaker on the P18 panel.
S 865-052
(a) Make sure the PASS OXY ON light on the P5 aft overhead panel is off.
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
(7) S 865-053On the P7 glareshield, push one of the two MASTER CAUTION lights to reset the master caution annunciator lights. (a) Make sure the two MASTER CAUTION lights are off if no other annunciator light is on. (b) Make sure the OVERHEAD annunciator light on the P7 glareshield is off.
(8) S 415-067To close the mask box door on the service unit, do the steps that follow: (a) Hold the mask box door in its position, turn the test stop button clockwise 90 degrees and release the button (Fig. 501). (b) Push the test stop button up until you hear the sound of a click and then release the test stop button.
NOTE:____ The sound of a click shows the actuator is set.
(c) Make sure oxygen mask door is correctly closed and latched.
(9) S 865-058Remove the electrical power if it is not necessary (AMM 24-22-00/201).
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本文链接地址：737-300 400 500 AMM 飞机维护手册 氧气 OXYGEN(40)
