(2)
Push the tool in until the latch is released. The door opens and the masks fall out.
4. Procedure
_________
(Ref. Fig. 401/TASK 35-21-43-991-001)
Subtask 35-21-43-020-050
A. Removal of the Oxygen Mask in the Cabin. WARNING : CLEAN THE TOOLS AND MAKE SURE YOUR HANDS ARE CLEAN TO PREVENT
_______
CONTAMINATION OF THE OXYGEN SYSTEM.
CAUTION : PUT DRY, CLEAN, METAL OR PLASTIC PLUGS ON ALL PIPES OR UNITS
_______ REMOVED TEMPORARILY. PUT EACH PIPE OR UNIT IN A SEALED VINYL BAG.
CAUTION : DO NOT PULL THE GENERATOR-END OF THE LANYARD.
_______
CAUTION : YOU MUST INSTALL THE SAFETY RINGS OR THE SAFETY PINS IF YOU:
_______
-MOVE THE GENERATORS TO A DIFFERENT LOCATION, OR
-PUT THEM INTO STORAGE.
IF YOU DO NOT, THE GENERATORS CAN OPERATE AND CAUSE DAMAGE.
R (1) Disconnect the lanyard cords (4) from the safety pin (3). NOTE : Do not remove the rings from the lanyard cords.
____
EFF : ALL
35-21-43Page 402
Emergency Oxygen Mask - Removal/Installation
Figure 401/TASK 35-21-43-991-001
EFF : ALL 35-21-43 Page 403
Nov 01/03
CES
(2)
Remove the clamps (5).
(3)
Carefully remove the oxygen supply hoses (1) from the outlet manifold
(2) and remove the masks (6).
EFF : ALL
35-21-43Page 404
TASK 35-21-43-400-001
Installation of the Oxygen Mask
1.
Reason for the Job
__________________
Self Explanatory
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 35-23-00-550-001 Packing of the Oxygen Masks R 35-23-00-710-001 Operational Check of Manual Mask Release 35-21-43-991-001 Fig. 401
3. Job Set-up
__________
Subtask 35-21-43-860-050
A. Aircraft Maintenance Configuration
(1) Energize the aircraft electrical circuits
(Ref. TASK 24-41-00-861-002).
WARNING : CLEAN THE TOOLS AND MAKE SURE YOUR HANDS ARE CLEAN TO
_______ PREVENT CONTAMINATION OF THE OXYGEN SYSTEM.
EFF : ALL
35-21-43Page 405
Subtask 35-21-43-865-051
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU OXYGEN/PASSENGER/ACTUATION 7WR HA08 49VU OXYGEN/PASSENGER/ACTUATION 6WR HA07 49VU OXYGEN/PASSENGER/ACTUATION 5WR HA06 49VU OXYGEN/PASSENGER/ACTUATION 4WR HA05
4. Procedure_________
(Ref. Fig. 401/TASK 35-21-43-991-001)
Subtask 35-21-43-420-050
R A. Installation of the Oxygen Mask in the Cabin
CAUTION : DO NOT PULL THE GENERATOR-END OF THE LANYARD._______
NOTE : Do not cut the oxygen supply hoses. The hoses have a specified____ length for each location in the aircraft.
R R R R (1) Carefully install the oxygen supply hoses (1) on the outlet manifold (2). - Refer to the manufacturer's instructions.
R (2) Install and tighten the clamps (5).
R (3) Connect the lanyard cords (4) to the safety pin (3).
(4) Put the mask assemblies into the emergency oxygen containers (Ref. TASK 35-23-00-550-001).
Subtask 35-21-43-710-050
B. Do the operational test of the passenger oxygen system (Ref. TASK 35-23-00-710-001).
35-21-43Page 406
5. Close-up
________ Subtask 35-21-43-410-050
A. Make sure that the work area is clean and clear of tool(s) and other items.
Subtask 35-21-43-862-050
B. De-energize the aircraft electrical circuits
(Ref. TASK 24-41-00-862-002).
EFF : ALL
35-21-43Page 407
TASK 35-21-43-100-001 Cleaning of the Passenger Oxygen Mask WARNING : KEEP ALL HYDROCARBONS (FUELS, LUBRICANTS, ETC.) AWAY FROM ALL SOURCE
_______ OF OXYGEN. OXYGEN BECOMES EXPLOSIVE WHEN IT TOUCHES HYDROCARBONS.
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