(2)
FOR 7501WR1 Install the floor panel 231NF (Ref. TASK 53-22-12-400-001).
(3)
FOR 7501WR2
Install the ceiling panel 231DC (Ref. TASK 25-23-41-400-001). Subtask 35-22-63-862-050
B. De-energize the aircraft electrical circuits
(Ref. TASK 24-41-00-862-002).
VALVE - BLEED VENT (7503WR) - REMOVAL/INSTALLATION
__________________________________________________
TASK 35-22-64-000-001
Removal of the Bleed Vent Valve (7503WR)
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 25-23-41-000-001 Removal of the Ceiling Panels 35-00-00-860-001 Special precautions when working on a Gaseous Oxygen
System 35-22-64-991-001 Fig. 401
3. Job Set-up
__________ Subtask 35-22-64-861-050
A. Energize the aircraft electrical circuits
(Ref. TASK 24-41-00-861-002).
Subtask 35-22-64-865-050
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 35-22-64-941-050
C. Put a WARNING NOTICE in position in the cockpit to tell persons not to operate the emergency oxygen system.
Subtask 35-22-64-010-050
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 35-22-64-860-050
A. Obey the special precautions when you do this task (Ref. TASK 35-00-00-860-001).
Subtask 35-22-64-020-050
B. Removal of the Bleed Vent Valve (7503WR)
(Ref. Fig. 401/TASK 35-22-64-991-001)
(1)
Loosen the nut (1) and remove the bleed vent valve (2).
(2)
Put PLUG - BLANKING on the disconnected line ends.
(3)
Put the disconnected line ends into a sealed BAG - VINYL.
Bleed Vent Valve (7503WR)
Figure 401/TASK 35-22-64-991-001
EFF : 401-499, 35-22-64 Page 403
Aug 01/05
CES
TASK 35-22-64-400-001
Installation of the Bleed Vent Valve (7503WR)
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 -------------------------------------------------------------------------------
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