(2)
Remove the blanking cap from the electrical connector (1).
(3)
Connect the electrical connector (1) to the altitude switch (2).
(4)
Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1WR
Subtask 35-23-15-720-051
B. Functional test
(1) Do the functional test of the passenger oxygen system. (Ref. TASK 35-23-00-720-002)
5. Close-up
________
Subtask 35-23-15-410-051
A. Close Access
(1) Make sure that the work area is clean and clear of tool(s) and other items.
R (2) Close the access door 824. (Ref. TASK 52-41-00-410-002)
EFF : ALL
35-23-15Page 405
(3) Remove the access platform(s).
EFF : ALL
35-23-15Page 406
INDICATOR - PRESSURE, FILL PANEL (980WR) - REMOVAL/INSTALLATION
_______________________________________________________________
TASK 35-23-21-000-001
Removal of the Fill Panel Pressure Indicator (980WR)
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 CAP - 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 35-23-21-991-001 Fig. 401
3. Job Set-up
__________
Subtask 35-23-21-861-050
A. Energize the aircraft electrical circuits
(Ref. TASK 24-41-00-861-002).
Subtask 35-23-21-865-050
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 35-23-21-941-050
C. Put a WARNING NOTICE in position in the cockpit to tell persons not to operate the emergency oxygen system.
Subtask 35-23-21-010-050
D. Get Access
(1)
Open the AFT cargo-compartment door 826 (Ref. TASK 52-30-00-860-001).
(2)
Put the access platform below the AFT cargo-compartment door 826.
(3)
Set the CARGO COMPT LIGHT switch 8LU to the ON position.
(4)
Remove the related lining panel to get access to the oxygen storage (Ref. TASK 25-55-12-000-003).
(5)
Close the manual shut-off valves of the oxygen cylinders.
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.
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.
Subtask 35-23-21-860-050
A. Obey the special precautions when you do this task (Ref. TASK 35-00-00-860-001).
Subtask 35-23-21-020-050
B. Removal of the Fill Panel Pressure Indicator (980WR)
(Ref. Fig. 401/TASK 35-23-21-991-001)
(1)
Release the quick release fasteners (4) and remove the cover assembly (5).
(2)
Disconnect the electrical connector 980WR-A (2).
(3)
Put CAP - BLANKING on the disconnected electrical connectors.
(4)
Loosen the screws (3).
(5)
Remove the fill panel pressure indicator (1).
Fill Panel Pressure Indicator
Figure 401/TASK 35-23-21-991-001
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