Cleaning of Oxygen Masks

TASK 35-12-41-100-001-A
Cleaning of Oxygen Masks

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: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.

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
FIN: 10RN1
FIN: 10RN2
FIN: 10RN3
FIN: 5757HM
FIN: 5758HM
FIN: 5759HM
FIN: 5760HM
FIN: 5774HM ** ON A/C NOT FOR ALL

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Consumable Materials

REFERENCE	DESIGNATION
(Material No.14SBA1)	Textile-Lint free Cotton -
(Material No.14TAE1)	Article-- Mask Film protection SAN 3
(Material No.14TAE2)	Article-- Mask Film protection SAN 6

B. Work Zones and Access Panels

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

C. 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
CMM 351108
CMM 351360
CMM 351361

3. Job Set-up
Subtask 35-12-41-020-061-A

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

Subtask 35-12-41-910-053-A

B. Preparation for the Cleaning
(1) Put the protection film on the internal and external surfaces of the oxygen mask window to prevent damage to the anti-mist layer:

For MF10 series, put the Article-- Mask Film protection SAN 3 (Material No.14TAE1)
For MF20 series, put the Article-- Mask Film protection SAN 6 (Material No.14TAE2) .

4. Procedure
Subtask 35-12-41-110-050-A

A. Cleaning of the Oxygen Masks
(1) To clean the full-face/quick-donning oxygen-mask, refer to the cleaning paragraphs 2.A and 2.B of the manufacturer's CMM:

For MF10 series CMM 351361
For MF20 series CMM 351360
For BEAerospace series CMM 351108.

(2) Clean the mask storage box with Textile-Lint free Cotton - (Material No.14SBA1) .

5. Close-up
Subtask 35-12-41-420-055-A

A. Put the aircraft back to its initial configuration.
(1) Install the full-face/quick-donning oxygen mask (Ref. AMM TASK 35-12-41-400-002).

[Rev.10 from 2021] 2026.04.01 01:04:17 UTC