(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)
FOR 7514WR1
(a)
Put the shut-off valve (3) in position and connect the pipe (1). NOTE : The flow arrow on the shut-off valve - riser line must
____
point in the flow direction.
(b)
Tighten the nut (2) with your fingers.
(c)
TORQUE the nut (2) to between 1.81 and 2.03 m.daN (13.34 and
14.97 lbf.ft).
NOTE : You must hold the fitting tightly in the correct position.
____
(5) FOR 7514WR2, 7514WR3, 7514WR4
(a) Put the shut-off valve (3) in position and connect the pipes (1) and (5).
NOTE : The flow arrow on the shut-off valve - riser line must
____
point in the flow direction.
(b)
Tighten the nuts (2) and (4) with your fingers.
(c)
TORQUE the nuts (2) and (4) to between 1.81 and 2.03 m.daN (13.34 and 14.97 lbf.ft).
NOTE : You must hold the fitting tightly in the correct position.
____
(6) If necessary, install the clamps of the pipes adjacent to the shut-off valve (3).
Subtask 35-22-62-865-052
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1WR, 2WR.
Subtask 35-22-62-790-050
C. Do this leakage check (Ref. TASK 35-23-00-790-002). Subtask 35-22-62-942-050
D. Remove the warning notice(s).
5. Close-up
________ Subtask 35-22-62-410-050
A. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
FOR 7514WR1 Install the floor panel 231TF (Ref. TASK 53-22-12-400-001).
(3)
FOR 7514WR2 Install the floor panel 241DF (Ref. TASK 53-22-12-400-001).
(4)
FOR 7514WR3, 7514WR4 Install the ceiling panel 241FC (Ref. TASK 25-23-41-400-001).
Subtask 35-22-62-862-050
B. De-energize the aircraft electrical circuits
(Ref. TASK 24-41-00-862-002).
CHECK VALVE (7501WR1,7501WR2) - REMOVAL/INSTALLATION
____________________________________________________
TASK 35-22-63-000-001
Removal of the Check Valve (7501WR1,7501WR2)
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 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 35-00-00-860-001 Special precautions when working on a Gaseous Oxygen
System 35-22-63-991-001 Fig. 401 FOR FIN 7501WR1 53-22-12-000-001 Removal of the Cabin Floor Panels FOR FIN 7501WR2 25-23-41-000-001 Removal of the Ceiling Panels
3. Job Set-up
__________
Subtask 35-22-63-861-050
A. Energize the aircraft electrical circuits
(Ref. TASK 24-41-00-861-002).
Subtask 35-22-63-865-050
B. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU OXYGEN/PASSENGER/CTL AND WARN 2WR HA03 49VU OXYGEN/PASSENGER/CTL AND WARN 1WR HA02
Subtask 35-22-63-941-050
C. Put a WARNING NOTICE in position in the cockpit to tell persons not to operate the emergency oxygen system.
Subtask 35-22-63-010-050
D. Get Access
(1)
FOR 7501WR1 Remove the floor panel 231NF (Ref. TASK 53-22-12-000-001).
(2)
FOR 7501WR2 Remove the ceiling panel 231DC (Ref. TASK 25-23-41-000-001).
4. Procedure
_________
WARNING : KEEP ALL HYDROCARBONS (FUELS, LUBRICANTS, ETC.) AWAY FROM ALL
_______
SOURCE OF OXYGEN. OXYGEN BECOMES EXPLOSIVE WHEN IT TOUCHES
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