Remove Crew Oxygen Mask for In-Shop Functional Check of Mask Regulator Assembly

TASK 35-12-41-750-001-A
Remove Crew Oxygen Mask for In-Shop Functional Check of Mask Regulator 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.

CAUTION: BE CAREFUL WHEN YOU DO MAINTENANCE OF THE FULL-FACE/QUICK-DONNING MASK(S). YOU CAN CAUSE DAMAGE TO THIS EQUIPMENT VERY EASILY IF YOU USE TOO MUCH FORCE OR THE INCORRECT CLEANING MATERIALS.

ZONE: 210

1. Reason for the Job
Refer to the MPD TASK: 351241-02
REMOVE CREW OXYGEN MASK FOR IN SHOP FUNCTIONAL CHECK OF MASK REGULATOR ASSEMBLY

2. Job Set-up Information
A. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
210	CKPT,FWD COMPT BHD TO FLT COMPT BULKHEAD

B. Referenced Information

REFERENCE	DESIGNATION
TASK 35-12-41-000-002-A	Removal of the Full-Face/Quick-Donning Oxygen-Mask
TASK 35-12-41-400-002-A	Installation of the Full-Face/Quick-donning Oxygen-Mask

3. Job Set-up
Subtask 35-12-41-020-051-A

A. Get Access
(1) Remove the full-face/quick-donning oxygen mask (Ref. AMM TASK 35-12-41-000-002).

4. Procedure
Subtask 35-12-41-720-050-A

A. Functional Check
(1) Send the full-face/quick-donning oxygen mask to the workshop for a functional check of its regulator assembly.

5. Close-up
Subtask 35-12-41-420-050-A

A. Close Access
(1) Install the full-face/quick-donning oxygen mask (Ref. AMM TASK 35-12-41-400-002).

[Rev.10 from 2021] 2026.04.01 01:04:15 UTC