(3)
AMM 35-22-31/201, Oxygen System
C. Access
(1) Location Zone
100 Upper Half of the Fuselage
D. Prepare for Actuator Removal
S 864-002
(1) Open these circuit breakers and attach DO-NOT-CLOSE tags:
(a) P18-3 Panel
1) 3F9, OXYGEN SYSTEM PASS R or
PASS OXYGEN RIGHT
2) 3F8, OXYGEN SYSTEM PASS L or PASS OXYGEN LEFT
E. Get Access to the Actuator
S 014-021
WARNING: YOU MUST DISARM THE OXYGEN GENERATOR WITH THE SAFETY PIN IF THE
_______ OXYGEN GENERATOR WAS NOT FIRED. A FIRED OXYGEN GENERATOR GETS VERY HOT (450°F OR HIGHER). A HOT OXYGEN GENERATOR CAN CAUSE INJURY IF YOU TOUCH IT.
(1)
To get access to the actuator on the passenger service unit, refer to AMM 25-23-61/201 to lower the PSU.
S 014-006
(2)
For access to the actuator on the forward and aft left attendant's mask boxes, do the steps that follow (Fig. 401):
(a)
Put an 1/8-inch rod into the latch access hole in the service unit.
(b)
To open the mask box door, push the rod to release the door latch.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
35-22-21
ALL ú ú 04 Page 401 ú Nov 12/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
(c) Permit the oxygen masks to fall.
S 014-009
(3) For access to the lavatory and the aft aisle right attendant's mask boxes, do the steps that follow (Fig. 401):
(a)
Put an 1/8-inch rod into the latch access hole adjacent to the test stop button.
(b)
Push the rod to release the door latch and open the mask box door.
(c)
Let the oxygen masks fall.
S 024-010
(4) On the attendant's and lavatory mask boxes, do the steps that follow:
(a)
Hold the mask box.
(b)
Remove the screws shown in Fig. 402 that attach the mask box to the support brackets or the shroud.
(c)
Slowly lower the mask box until you get access to the actuator electrical connections.
F. Remove the Actuator (Fig. 402)
S 034-011
(1) Disconnect the electrical wires.
FLAT TOOL
FORWARD AND AFT LEFT SIDE ATTENDANT'S MASK BOX LAVATORY AND AFT AISLE ATTENDANT'S MASK BOX
Manual Opening of the Mask Box Door Figure 401
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
35-22-21
ALL ú ú 03 Page 402 ú Mar 15/93
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
SCREW ATTACHES MASK
BOX TO SHROUD OR
MASK BOX SUPPORT BRACKET
ACTUATOR DOOR LATCH (4 LOCATIONS IN THE MASK BOX)
SEE A
OXYGEN
DOOR LATCH ACTUATOR MASK
SEE A DOOR
LATCH
PASSENGER SERVICE UNIT
SCREW ATTACHES MASK MASK BOX
BOX TO SUPPORT BRACKET DOOR
(4 LOCATIONS IN THE
MASK BOX ON FORWARD
DOOR LATCH LEFT HAND ATTENDANT'S
ACTUATOR ONLY)
SEE A
LAVATORY AND AFT AISLE
DOOR ATTENDANT'S MASK BOX 1
LATCH
MOUNTING SCREW
(2 LOCATIONS)
OXYGEN
MASKS
MASK
BOX
SCREW ATTACHES MASK BOX TO CEILING PANEL OR SERVICE PANEL (4 LOCATIONS ON AFT MASK BOXATTENDANT'S) DOOR(6 LOCATIONS ON FORWARD LEFT HAND ATTENDANT'S) ELECTRICAL WIRES
FORWARD AND AFT LEFT
ACTUATOR ATTENDANT'S MASK BOX
DOOR LATCH ACTUATOR
1LAVATORY A CAN HAVE A DIFFERENT
A
ARRANGEMENT OF COMPONENTS
Door Latch Actuator Installation Figure 402
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
中国航空网 www.aero.cn
航空翻译 www.aviation.cn
本文链接地址：737-300 400 500 AMM 飞机维护手册 氧气 OXYGEN(49)
