(2)
Disconnect the HP oxygen overpressure hose 5761HM from the valve (8) of the oxygen cylinder:
(a)
Disconnect the coupling (5) and discard the sleeve (6).
(b)
Put a blanking plug on the coupling (7) of the valve of the oxygen cylinder.
(c)
Put a sealed vinyl bag on the coupling (5) of the hose.
(3)
Flush internally with air the hoses connected to the overboard discharge indicator:
(a)
Use a LP air source that is filtered and without oil.
(b)
Remove the couplings (4) and (5) from the sealed vinyl bags.
(c)
Flush the hoses internally with air two or three times (flush them one after the other each time to make sure that there are no unwanted objects in the system).
(d)
Put blanking plugs on the couplings (4) and (5).
(e)
Put the couplings (4) and (5) in sealed vinyl bags.
(4)
Clean the body of the overboard discharge indicator:
(a) Remove the yellow reflecting washer (9) from the body of the
indicator (10) and discard it. CAUTION : MAKE SURE THAT NO UNWANTED PARTICLES GO INTO THE OXYGEN SYSTEM.
(b) Clean the body of the indicator with a clean lint-free cloth.
(5) Install the disc of the overboard discharge indicator:
(a) Use the kit (9):
-Open the bag with a plastic point,
-carefully remove the components of the kit,
-discard the bag. R
R (b) Install the new disc with the green reflecting surface on the external side.
R (c) Install the retainer ring with the rounded edges on the external side.
EFF : ALL
35-13-22Page 204
(6)
Connect the LP oxygen overpressure hose 5762HM to the oxygen pressure regulator/transmitter (1):
(a)
Remove the sealed vinyl bag and the blanking plug from the coupling (4) of the hose.
(b)
Install a new sleeve (3) on the coupling (4).
(c)
Remove the blanking plug from the coupling (2) of the oxygen pressure regulator/tansmitter (1).
(d)
Install and tighten the coupling (4) of the hose on the coupling
(2) of the oxygen pressure regulator/transmitter (1).
(7)
Connect the HP oxygen overpressure hose 5761HM to the valve (8) of the oxygen cylinder:
(a)
Remove the sealed vinyl bag and the blanking plug from the coupling (5) of the hose.
(b)
Install a new sleeve (6) on the coupling (5).
(c)
Remove the blanking plug from the coupling (7) of the valve of the oxygen cylinder.
(d)
Install and tighten the coupling (5) of the hose on the coupling
(7) of the valve of the oxygen cylinder.
5. Close-up
________ Subtask 35-13-22-942-052
A. Put the aircraft back to its initial configuration.
(1) Open the valve of the oxygen cylinder:
(a)
Very slowly open the valve of the cylinder (5750HM) 3.5 to 4 turns.
(b)
Let the pressure become stable.
This occurs after approximately 90 seconds.
(c)
Fully open the cylinder valve.
EFF : ALL
35-13-22Page 205
May 01/00
R
CES Subtask 35-13-22-410-051
B. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Close the access door 812.
(3)
Remove the access platform(s).
EFF : ALL
35-13-22Page 206
VALVE - SOLENOID, LP OXYGEN SUPPLY (3HT) - REMOVAL/INSTALLATION
_______________________________________________________________
TASK 35-13-51-000-001 Removal of the Sol Valve-LP Oxy Sply (3HT) 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 : PUT DRY, CLEAN, METAL OR PLASTIC PLUGS ON ALL PIPES OR UNITS REMOVED
_______ TEMPORARILY. PUT EACH PIPE OR UNIT IN A SEALED VINYL BAG.
1.
Reason for the Job
__________________
Self Explanatory
2.
Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
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