Remove Portable Oxygen Cylinder Assembly for in Shop Hydrostatic Test and Functional Check of Regulator Valve Assembly

TASK 35-32-42-750-001-A
Remove Portable Oxygen Cylinder Assembly for in Shop Hydrostatic Test and Functional Check of Regulator Valve Assembly

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.

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.

ZONE: 200

1. Reason for the Job
Refer to the MPD TASK: 353000-02
REMOVE PORTABLE OXYGEN CYLINDER ASSEMBLY FOR IN SHOP HYDROSTATIC TEST AND FUNCTIONAL CHECK OF REGULATOR VALVE ASSEMBLY.
2. Job Set-up Information
A. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
200	UPPER HALF FUSELAGE

B. 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

3. Job Set-up
Subtask 35-32-42-860-060-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 35-32-42-010-060-A

B. Get Access
(1) Remove the portable oxygen cylinder (Ref. AMM TASK 35-32-42-000-001).

4. Procedure
Subtask 35-32-42-750-053-A

A. Test of the Portable Oxygen Cylinder(s)
(1) Send the portable oxygen cylinder(s) to the workshop:
(a) For the functional test of regulator valve assembly.
(b) For the hydrostatic test of the portable oxygen cylinder(s).

5. Close-up
Subtask 35-32-42-410-056-A

A. Close Access
(1) Install a serviceable portable oxygen cylinder (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 35-32-42-860-061-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 01:05:37 UTC