5. Close-up
________ Subtask 35-21-00-410-056
 A. Install the oxygen cylinders (Ref. TASK 35-21-51-400-001) and the pressure reducers (Ref. TASK 35-23-51-400-001).

 CONTAINER - EMERGENCY OXYGEN - REMOVAL/INSTALLATION
___________________________________________________
 TASK 35-21-41-000-001
 Removal of the Emergency Oxygen Containers
 WARNING : MAKE SURE THAT YOU OBEY THE MANUFACTURER'S INSTRUCTIONS AND NATIONAL
_______ HAZARDOUS MATERIAL REGULATIONS WHEN YOU MOVE OR KEEP THIS EQUIPMENT IN STORAGE:
 -CHEMICAL OXYGEN CYLINDERS
 -PROTECTIVE BREATHING EQUIPMENT
 -FIXED AND PORTABLE OXYGEN CYLINDERS. SPECIAL PRECAUTIONS ARE NECESSARY FOR THIS EQUIPMENT.
 1. Reason for the Job
__________________
 Self Explanatory
 2. Job Set-up Information
______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------
REFERENCE QTY DESIGNATION
 -------------------------------------------------------------------------------
No specific blanking caps
 No specific circuit breaker(s) safety clip(s)
 No specific insertion/removal tool M15.570-20
 280033-01 1 Material and Tool Kit
 995022-00 1 Safety Pin Insertion Tool

 B. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power 25-23-45-000-005 Removal of the Door Frame Linings at the Left FWD Passenger/Crew Door
R **ON A/C 001-049, 051-099, 101-149, 201-299,
 35-21-41-991-001 Fig. 401
 EFF : ALL

35-21-41Page 401

 -------------------------------------------------------------------------------
REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
R **ON A/C 151-199, 301-399, 401-499,
 35-21-41-991-001-A Fig. 401A
 **ON A/C ALL
 35-21-41-991-003 Fig. 402
 3. Job Set-up
__________
 Subtask 35-21-41-861-050
 A. Energize the aircraft electrical circuits
 (Ref. TASK 24-41-00-861-002).

 Subtask 35-21-41-865-050
 B. Open, safety and tag this(these) circuit breaker(s):
 -------------------------------------------------------------------------------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 49VU OXYGEN/PASSENGER/CTL AND WARN 3WR HA04 49VU OXYGEN/PASSENGER/CTL AND WARN 2WR HA03 49VU OXYGEN/PASSENGER/CTL AND WARN 1WR HA02
 Subtask 35-21-41-010-050
 C. Get Access
 (1) Remove the door-frame lining panel 221HW (Ref. TASK 25-23-45-000-005).
 EFF : ALL

35-21-41Page 402

 4. Procedure
_________
 **ON A/C 001-049, 051-099, 101-149, 201-299,

 (Ref. Fig. 401/TASK 35-21-41-991-001) R **ON A/C 151-199, 301-399, 401-499,
 (Ref. Fig. 401A/TASK 35-21-41-991-001-A)
 **ON A/C ALL

 (Ref. Fig. 402/TASK 35-21-41-991-003)
 Subtask 35-21-41-020-050

 A. Remove the emergency oxygen containers in the passenger service channels and the service channel of the aft utility area.
 NOTE : The removal procedure is the same for all the emergency oxygen
____
 containers installed in the service channels.

 (1)
 Remove the hose sections (1) from the rails (2).

 (2)
 Disengage and lower one side of the oxygen container (3).

 (3)
 Disconnect the electrical connectors (4) with the insertion/removal tool M15.570-20.

 CAUTION : MAKE MATCH MARKS ON ALL THE ELECTRICAL WIRES BEFORE YOU
_______ DISCONNECT THEM. INCORRECT CONNECTION OF WIRES WILL CAUSE DAMAGE TO EQUIPMENT.
 (4) Put blanking caps on the disconnected electrical connectors.
 (5) Remove the oxygen container (3) from the rail (2).
 Subtask 35-21-41-020-051

 B. Remove the emergency oxygen container(s) in the passenger/crew door frame(s).
 NOTE : The removal procedure is the same for all the emergency oxygen
____ containers installed in the passenger/crew door frames.
 EFF : ALL

35-21-41Page 403

 Emergency Oxygen Containers Figure 401/TASK 35-21-41-991-001- 12 (SHEET 1) 
　
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