_______
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 35-21-52-420-050
A. Installation of the Filling Port (7520WR)
(Ref. Fig. 401/TASK 35-21-52-991-001)
(1)
Do an inspection of the component interface and/or the adjacent area.
(2)
Remove the vinyl bags from the disconnected line ends.
(3)
Remove the blanking plugs from the disconnected line ends.
(4)
Put the filling port (5) in position.
(5)
Apply PAINTS FOR DETAIL (INTERNAL AND EXTERN AL) (Material No. 07-001D) and SEALANTS (Material No. 09-016B) to the filling port (5) to seal the fill panel.
(6)
Put the pipe (3) in position and tighten the nut (4) with your fingers.
(7)
Install the screws (1), the washers (8) and the nuts (2).
(8)
Apply PAINTS FOR DETAIL (INTERNAL AND EXTERN AL) (Material No. 07-001D) and SEALANTS (Material No. 09-016B) to the screws (1) and the nuts (2).
(9)
TORQUE the nut (4) to between 2.03 and 2.17 m.daN (14.97 and 16.00 lbf.ft). ____
NOTE : You must hold the fitting tightly in the correct position.
Subtask 35-21-52-865-052
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1WR, 2WR.
Subtask 35-21-52-790-050
C. Do the leakage check of the filling line (Ref. TASK 35-21-00-790-001). Subtask 35-21-52-440-050
D. Pressurize the Emergency Oxygen System
(1)
Slowly open the manual shut-off valves of the emergency oxygen cylinders 3.5 to 4 turns.
(2)
Let the pressure become stable.
NOTE : This occurs after approximately 90 seconds.
____
(3)
Fully open the manual shut-off valves of the emergency oxygen cylinders.
Subtask 35-21-52-942-050
E. Remove the warning notice(s).
5. Close-up
________ Subtask 35-21-52-410-050
A. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Install the related lining panel to close access to the oxygen storage (Ref. TASK 25-55-12-400-003).
(3)
Set the CARGO COMPT LIGHT switch 8LU to the OFF position.
(4)
Remove the access platform(s).
(5)
Close the AFT cargo-compartment door 826 (Ref. TASK 52-30-00-860-002).
Subtask 35-21-52-862-050
B. De-energize the aircraft electrical circuits
(Ref. TASK 24-41-00-862-002).
COMPENSATOR - THERMAL (7621WR,7622WR,7623WR,7624WR,7625WR,7626WR)
_________________________________________________________________ REMOVAL/INSTALLATION
____________________
TASK 35-21-53-000-001
Removal of the Thermal Compensator (7621WR-7626WR)
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific circuit breaker(s) safety clip(s) No specific access platform 1.6 m (5 ft. 3 in.) No specific 1 BAG - VINYL No specific 1 PLUG - BLANKING No specific 1 WARNING NOTICE
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power 25-55-12-000-003 Removal of the Sidewall Panels in the AFT Cargo Compartment - FR59/FR65 35-00-00-860-001 Special precautions when working on a Gaseous Oxygen System 52-30-00-860-001 Open the FWD or AFT Cargo-Compartment Door with the Yellow Electric Pump 35-21-53-991-001 Fig. 401
3. Job Set-up
__________
Subtask 35-21-53-861-050
A. Energize the aircraft electrical circuits
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