_______
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.
Subtask 35-32-51-020-050
A. If necessary, clean the full-face smoke masks (Ref. TASK 35-32-51-110-001).
R EFF : 106-149, 215-299, 301-399, 401-499, 35-32-51Page 601
Subtask 35-32-51-210-052
B. Do a visual inspection for condition.
(1)
the panoramic visor and the moulded-rubber face piece,
(2)
the adjustable head straps,
(3)
the demand regulator,
(4)
the flexible hose and the hose connector,
(5)
the exhaust valve.
(6)
Examine the stowage containers of the smoke masks for condition.
5. Close-up
________ Subtask 35-32-51-410-050
A. Close Access
(1)
Put the full-face smoke masks in their stowage containers.
(2)
Make sure that the work area is clean and clear of tool(s) and other items.
R EFF : 106-149, 215-299, 301-399, 401-499, 35-32-51Page 602
MASK - FULL FACE - CLEANING/PAINTING
____________________________________ TASK 35-32-51-110-001 Cleaning of the Full-Face Smoke Masks 6540HM, 6549HM and 6550HM
1. Reason for the Job
__________________
To clean and disinfect the full-face smoke masks.
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific clean water No specific lint-free cloth
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
No specific lint-free cloth
Material No. 11-004 USA MIL-T-81533
1.1.1TRICHLOROETHANE (METHYL CHLOROFORM)
(Ref. 20-31-00)
Material No. 11-005 TRICHLOROTRIFLUORO ETHANE (Ref. 20-31-00) Material No. 11-007 CLEANING, OXYGEN MASKS (Ref. 20-31-00) Material No. 14-002 ASEPTIC SPRAY DEODORIZER (Ref. 20-31-00)
C. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
35-32-51-210-001 Inspection/Check of the Full-Face Smoke Masks 6540HM, 6549HM and 6550HM
R EFF : 106-149, 215-299, 301-399, 401-499, 35-32-51Page 701
3. Job Set-up
__________ Subtask 35-32-51-010-051
A. Get access to the cabin.
4. Procedure
_________
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.
Subtask 35-32-51-210-050
A. Examine the smoke masks for condition (Ref. TASK 35-32-51-210-001). Subtask 35-32-51-110-050
B. Chemical Cleaning
(1)
Prepare the cleaning solution: mix 0.0015 l (0.0003 USgal) of the CLEANING AGENTS (Material No. 11-007) with 4.0 l (1.0566 USgal) of clean water.
(2)
Clean the smoke mask and the harness with a lint-free cloth moistened with the cleaning solution.
(3)
Remove the cleaning solution with a lint-free cloth moistened with clean water.
(4)
Clean the elastomer parts of the mask-regulator(s) with a lint-free cloth moistened with CLEANING AGENTS (Material No. 11-005).
(5)
Clean the nonelastomer parts of the mask-regulator(s) with the cleaning solution CLEANING AGENTS (Material No. 11-004).
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