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3. Job Set-up
__________ Subtask 35-12-41-860-059
A. Aircraft Maintenance Configuration
(1)
Energize the aircraft electrical circuits
(Ref. TASK 24-41-00-861-002).
(2)
On the OXYGEN section of the panel 21VU, push the CREW SUPPLY pushbutton switch (the OFF legend goes off).
Subtask 35-12-41-865-060
B. Make sure that this(these) circuit breaker(s) is(are) closed:
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU OXYGEN/CREW/OXY/SPLY 1HT HA01
4. Procedure
_________ Subtask 35-12-41-420-058
A. Check of the Correct Torque of the Retaining Screw
(Ref. Fig. 602/TASK 35-12-41-991-005)
(1)
Pull the harness inflation control-lever (red lugs) to remove the oxygen mask from the stowage box.
(2)
Loosen the retaining screw (2) from the mask lock (1).
(3) TORQUE the retaining screw (2) to 0.06 m.daN (5.30 lbf.in) maximum. Subtask 35-12-41-220-051
B. Check of the Correct Position of the Mask Lock
(Ref. Fig. 602/TASK 35-12-41-991-005)
(1)
Make sure that the mask lock (1) is in the correct position.
(2)
Install the oxygen mask in its stowage box.
(3)
Make sure that the doors are correctly closed.
EFF : ALL
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Feb 01/05
R
CES
Mask Lock and Retaining Screw Figure 602/TASK 35-12-41-991-005
R EFF : CES ALL 35-12-41 Page 609 Feb 01/05
5. Close-up
________ Subtask 35-12-41-860-060
A. Put the aircraft back to its initial configuration.
(1)
After you examined all the oxygen masks, on the OXYGEN section of the panel 21VU, release the CREW SUPPLY pushbutton switch (the OFF legend comes on).
(2)
De-energize the aircraft electrical circuits
(Ref. TASK 24-41-00-862-002).
EFF : ALL
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MASK - FULL FACE/QUICK DONNING, OXYGEN (10RN1,10RN2,10RN3,5757HM,5758HM,5759HM,
_______________________________________________________________________________
5760HM,5774HM) - CLEANING/PAINTING
__________________________________ TASK 35-12-41-100-001 Cleaning of the Mask-Full Face / Q.D, Oxygen (5757HM,5758HM,5759HM,5760HM) 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.
1. Reason for the Job
__________________ R Refer to the MPD TASK: 351000-07
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific clean cloth
No specific soft brush
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
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)
EFF : ALL
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C. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
35-12-41-000-002 Removal of the Full-Face/Quick-Donning Oxygen-Mask 35-12-41-400-002 Installation of the Full-Face/Quick-donning Oxygen-Mask
3. Job Set-up
__________ Subtask 35-12-41-910-051 R A. Preparation for the cleaning
(1)
Remove the full-face/quick-donning oxygen mask (Ref. TASK 35-12-41-000-002).
(2)
Prepare the cleaning solution:
-mix 1.5cc of the CLEANING AGENTS (Material No. 11-007) with 4 liters of clean water.
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