(d)
If the oxygen generator has the safety pin installed, remove the safety pin (Ref 35-22-11/201).
S 212-020
(4) Push test stop button up until one of the two conditions that follow occur (Fig. 207):
NOTE: If the actuator fires, the sound of a click will
____ show that the actuator has set. If the actuator has not fired, you will feel the pressure increase as you push the test stop button.
(a) You hear the sound of a click.
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A
737-300/400/500
MAINTENANCE MANUAL
OXYGEN BOX SEE A
FWD
FORWARD ATTENDANT
SERVICE UNIT
(AFT ATTENDANT IS EQUIVALENT)
OXYGEN
MASKS
MASK PACKING
SEE B
LANYARD
(2 LOCATIONS)
OXYGEN MASK
(2 LOCATIONS)
OXYGEN
SUPPLY HOSE
(2 LOCATIONS)
RESERVOIR BAG (2 LOCATIONS)
OXYGEN BOXA
RELEASE CABLE
MASK PACKING
B
Attendant Service Unit (ASU) Oxygen Mask Packing Procedure
Figure 204
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A 737-300/400/500MAINTENANCE MANUAL
OXYGEN BOXSEE A
LAVATORY SERVICE UNIT (LSU)
(AFT LSU IS SHOWN)
(EXAMPLE)
LANYARD
STREAMER 1
OXYGEN BOX A
1 IF REQUIRED
Aft Lavatory Service Unit Mask Placement
Figure 205
H22365
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A 737-300/400/500MAINTENANCE MANUAL
SEE A LAVATORY SERVICE UNIT (LSU)
OXYGEN BOX RELEASE CABLE
FWD
FORWARD LAVATORY (AFT LAVATORY IS EQUIVALENT)
LANYARD (2 LOCATIONS) FORWARD LSU
OXYGEN MASK (2 LOCATIONS)
RESERVOIR BAG (2 LOCATIONS) FWD
STREAMER (2 LOCATIONS)
LAVATORY SERVICE UNIT (FORWARD LAVATORY) A
Figure 206 LSU Oxygen Mask Packing Procedure
H22251
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737-300/400/500MAINTENANCE MANUAL
(b) You feel the pressure increase.
S 862-028
(5)
Release the test stop button.
S 432-029
(6)
Push the mask tubing fully on the generator outlets.
E. Oxygen Mask Packing
S 862-021
(1) Fold the masks and put the oxygen hoses in coils as follows
(Fig. 202):
(a)
Do not close the mask door fully, hold the door in its position with masking tape.
(b)
Move apart and isolate all the lanyards and the tubing.
(c)
Open the reservoir bag and make sure it is flat (View A, Fig. 202).
(d)
Put the headstrap on the center of the reservoir bag (View A, Fig. 202).
(e)
Fold the reservoir bag two times from one end of the bag to the other end (View B, Fig. 202).
(f)
Put the folded reservoir bag on the outer part of the facepiece (View C, Fig. 202).
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