Detailed Inspection of Portable Oxygen Mask

TASK 35-30-00-220-001-A
Detailed Inspection of Portable Oxygen Mask

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 GENERATORS
PROTECTIVE BREATHING EQUIPMENT
FIXED AND PORTABLE OXYGEN CYLINDERS.

SPECIAL PRECAUTIONS ARE NECESSARY FOR THIS EQUIPMENT.

WARNING: KEEP ALL HYDROCARBONS (FUELS, LUBRICANTS, ETC.) AWAY FROM ALL SOURCE OF OXYGEN. OXYGEN BECOMES EXPLOSIVE WHEN IT TOUCHES HYDROCARBONS.

WARNING: CLEAN THE TOOLS AND MAKE SURE YOUR HANDS ARE CLEAN TO PREVENT CONTAMINATION OF THE OXYGEN SYSTEM.

ZONE: 200

1. Reason for the Job
Refer to the MPD TASK: 353000-07
DETAILED INSPECTION OF PORTABLE OXYGEN MASK

2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	1	FLASHLIGHT

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
200	UPPER HALF FUSELAGE

C. Referenced Information

REFERENCE	DESIGNATION
TASK 24-42-00-861-001-A	Energize the Ground Service Network from the External Power
TASK 24-42-00-862-001-A	De-energize the Ground Service Network Supplied from the External Power
TASK 35-00-00-860-001-A	Special Precautions When Working on a Gaseous Oxygen System
TASK 35-32-42-000-001-A	Removal of the Portable Oxygen Cylinder
TASK 35-32-42-400-001-A	Installation of the Portable Oxygen Cylinder
TASK 35-32-00-00	CABIN ATTENDANTS PORTABLE DEVICES - DESCRIPTION AND OPERATION

3. Job Set-up
Subtask 35-30-00-861-050-A

A. Aircraft Maintenance Configuration
(1) Obey the special precautions when you do work on a gaseous oxygen system (Ref. AMM TASK 35-00-00-860-001).
(2) Energize the ground service network
(Ref. AMM TASK 24-42-00-861-001).

Subtask 35-30-00-010-060-A

B. Get Access
(1) For the location of the component, refer to Para. Component Location (Ref. AMM D/O 35-32-00-00).
(2) Carefully remove the oxygen mask from the stowage bag (Ref. AMM TASK 35-32-42-000-001).

4. Procedure
Subtask 35-30-00-220-050-A

A. Detailed Inspection of the Portable Oxygen Mask
(1) If necessary use a FLASHLIGHT.
(2) For each portable oxygen mask make sure that:

The flexible hose shows no damage, has no permanent kinks and no cracks and/or discoloration.
The portable oxygen mask is clean, shows no damage and has no cracks, deformation and/or discoloration.

(3) If one or more of the inspections are not satisfactory, replace the portable oxygen mask (Ref. AMM TASK 35-32-42-000-001), (Ref. AMM TASK 35-32-42-400-001).

5. Close-up
Subtask 35-30-00-410-060-A

A. Close Access
(1) Carefully install the oxygen mask in the stowage bag (Ref. AMM TASK 35-32-42-400-001).
(2) Make sure that the work area is clean and clear of tools and other items.

Subtask 35-30-00-862-050-A

B. Put the aircraft back to its initial configuration.
(1) De-energize the ground service network
(Ref. AMM TASK 24-42-00-862-001).

[Rev.10 from 2021] 2026.04.01 01:05:22 UTC