(3)
Hold the duct assy (3) and remove the clamps (2).
(4)
Remove the duct assy (3).
(5)
Put protective covers on the duct assy (3) and the ducts.
1EFF : ALL 1 36-11-49Page A420 1 1 Nov 01/04R 1 1 1CES 1
Duct Assy Figure 408/TASK 36-11-49-991-307
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TASK 36-11-49-400-049
Installation of the Duct Assy
WARNING : MAKE SURE THAT THE PNEUMATIC SYSTEM IS DEPRESSURIZED BEFORE YOU START
_______ WORK ON THE PNEUMATIC SYSTEM.
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific air supply source No specific warning notice No specific access platform 0.5 m (1 ft. 8 in.) No specific Torque Wrench : range 36.00 to 220.00 lbf.in
(0.40 to 2.60 m.daN)
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 71-13-00-010-040 Opening of the Fan Cowl Doors 71-13-00-410-040 Closing of the Fan Cowl Doors 78-30-00-081-041 Make the Thrust Reverser Serviceable after
Maintenance 78-30-00-481-041 Make the Thrust Reverser Unserviceable for
Maintenance 78-36-00-010-040 Opening of the Thrust Reverser Doors 78-36-00-410-040 Closing of the Thrust Reverser Doors 36-11-49-991-307 Fig. 408
1EFF : ALL 1 36-11-49Page A422 1 1 Nov 01/04R 1 1 1CES 1
3. Job Set-up
__________
Subtask 36-11-49-860-072
A. Aircraft Maintenance Configuration
(1)
Make sure that the aircraft electrical circuits are energized (Ref. TASK 24-41-00-861-002).
(2)
Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
(3)
On the AIR COND panel 30VU:
-
make sure that the ENG 1(2) BLEED pushbutton switch is released (the OFF legend is on),
-
make sure that the APU BLEED pushbutton switch is released (the ON legend is off),
-
make sure that the warning notice to tell persons not to operate the pneumatic system is in position.
(4)
On the ENG panel 115VU:
-make sure that the warning notice to tell persons not to start the engine 1(2) is in position.
(5)
On the HP ground connector:
-make sure that the warning notice to tell persons not to pressurize the pneumatic system is in position.
(6)
On the ENG section of the maintenance panel 50VU:
-
make sure that the ON legend of the ENG/FADEC GND PWR 1(2) pushbutton switch is off,
-
make sure that the warning notice to tell persons not to energize the FADEC 1(2) is in position.
(7)
Make sure that the access platform is in position below the engine.
Subtask 36-11-49-010-129
B. Get Access
(1)
Make sure that the fan cowl doors are open (Ref. TASK 71-13-00-010-040): FOR 1000EM1 437AL, 438AR FOR 1000EM2 447AL, 448AR
(2)
Make sure that the thrust reverser doors are open (Ref. TASK 78-36-00-010-040): FOR 1000EM1 451AL, 452AR FOR 1000EM2 461AL, 462AR
Subtask 36-11-49-040-098
C. Make sure that the thrust reverser is unserviceable (Ref. TASK 78-30-00-481-041).
4. Procedure
_________ Subtask 36-11-49-420-086
A. Installation of the Duct Assy
(Ref. Fig. 408/TASK 36-11-49-991-307)
(1)
Clean the component interface and/or the adjacent area.
(2)
Do an inspection of the component interface and/or the adjacent area.
(3)
Remove the protective covers from the duct assy (3) and the ducts.
(4)
Remove the blanking plugs from the disconnected line ends.
(5)
Install the duct assy (3). NOTE : The arrow which shows the direction of the flow of air points
____
up.
(6)
Install the clamps (2) CAUTION : MAKE SURE THAT THE SCREWS OF THE ATTACHMENT CLAMPS ON THE
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