Subtask 35-22-65-865-053
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 35-22-65-941-051
C. Put a WARNING NOTICE in position in the cockpit to tell persons not to operate the emergency oxygen system.
Subtask 35-22-65-010-051
D. Get Access
(1) Remove the ceiling panel 231CC (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
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 35-22-65-860-052
A. Obey the special precautions when you do this task (Ref. TASK 35-00-00-860-001).
Subtask 35-22-65-020-051
B. Removal of the Oxygen Test Port (7504WR3)
(Ref. Fig. 402/TASK 35-22-65-991-002)
(1)
Loosen the nut (2) and remove the oxygen test port (1).
(2)
Put PLUG - BLANKING on the disconnected line ends.
(3)
Put the disconnected line ends into a sealed BAG - VINYL.
Oxygen Test Port (7504WR3)
Figure 402/TASK 35-22-65-991-002
EFF : 401-499, 35-22-65 Page 411
Aug 01/05
CES
TASK 35-22-65-400-002
Installation of the Oxygen Test Port (7504WR3)
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific Torque Wrench : range 0.20 to 3.60 m.daN
(2.00 to 26.00 lbf.ft)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied
from the External Power 25-23-41-000-001 Removal of the Ceiling Panels 25-23-41-400-001 Installation of the Ceiling Panels 35-00-00-860-001 Special precautions when working on a Gaseous Oxygen
System 35-23-00-790-002 Leak Check of Components in the Distribution Network of the Oxygen System 35-22-65-991-002 Fig. 402
3. Job Set-up
__________ Subtask 35-22-65-860-053
A. Aircraft Maintenance Configuration
(1)
Make sure that the ground service network is energized
(Ref. TASK 24-41-00-861-002).
(2)
Make sure that a warning notice is in position in the cockpit to tell persons not to operate the emergency oxygen system.
(3)
Make sure that the ceiling panel 231CC is removed (Ref. TASK 25-23-41-000-001).
(4)
Obey the special precautions when you do this task (Ref. TASK 35-00-00-860-001).
Subtask 35-22-65-865-054
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU OXYGEN/PASSENGER/CTL AND WARN 2WR HA03 49VU OXYGEN/PASSENGER/CTL AND WARN 1WR HA02
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