C. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Close the thrust reverser cowl doors (Ref. TASK 78-36-00-410-040): FOR 1000EM1 451AL, 452AR FOR 1000EM2 461AL, 462AR
(3)
Remove the access platform(s). Subtask 36-11-49-440-065
D.
Make the thrust reverser serviceable (Ref. TASK 78-30-00-081-041). Subtask 36-11-49-410-088
E. Close Access
(1) Close the fan cowl doors (Ref. TASK 71-13-00-410-040):
FOR 1000EM1
437AL, 438AR
FOR 1000EM2
447AL, 448AR
(2)
Remove the warning notice(s). Subtask 36-11-49-862-061
F. De-energize the aircraft electrical circuits
(Ref. TASK 24-41-00-862-002).
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TASK 36-11-49-000-049
Removal of the Duct Assy
WARNING : MAKE SURE THAT THE PNEUMATIC SYSTEM IS DEPRESSURIZED BEFORE YOU START
_______ WORK ON THE PNEUMATIC SYSTEM.
WARNING : BE CAREFUL WHEN YOU WORK ON THE ENGINE COMPONENTS IMMEDIATELY AFTER
_______ THE ENGINE IS SHUTDOWN. THE ENGINE COMPONENTS CAN STAY HOT FOR UP TO ONE HOUR.
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific blanking plugs No specific protective covers No specific warning notice No specific access platform 0.5 m (1 ft. 8 in.)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-41-00-861-002 Energize the Aircraft Electrical Circuits from the
External Power 71-13-00-010-040 Opening of the Fan Cowl Doors 78-30-00-481-041 Make the Thrust Reverser Unserviceable for
Maintenance 78-36-00-010-040 Opening of the Thrust Reverser Doors 36-11-49-991-307 Fig. 408
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3. Job Set-up
__________
Subtask 36-11-49-861-078
A. Energize the aircraft electrical circuits
(Ref. TASK 24-41-00-861-002)
Subtask 36-11-49-941-093
B. Safety Precautions
(1)
Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
(2)
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),
-put a warning notice in position to tell persons not to operate the pneumatic system.
(3)
On the ENG panel 115VU:
-put a warning notice in position to tell persons not to start the engine 1(2).
(4)
On the HP ground connector:
-put a warning notice in position to tell persons not to pressurize the pneumatic system.
(5)
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,
-put a warning notice in position to tell persons not to energize the FADEC 1(2).
Subtask 36-11-49-010-127
C. Get Access
(1) Open the fan cowl doors (Ref. TASK 71-13-00-010-040):
FOR 1000EM1
437AL, 438AR
FOR 1000EM2
447AL, 448AR
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(2) Put an access platform in position in zone 450 for the engine 1 and in zone 460 for the engine 2.
Subtask 36-11-49-040-097
D. Make the thrust reverser unserviceable (Ref. TASK 78-30-00-481-041). Subtask 36-11-49-010-128
E. Open the thrust reverser doors (Ref. TASK 78-36-00-010-040):
FOR 1000EM1
451AL, 452AR
FOR 1000EM2
461AL, 462AR
4. Procedure
_________ Subtask 36-11-49-020-090
A. Removal of the Duct Assy
(Ref. Fig. 408/TASK 36-11-49-991-307)
CAUTION : SOME PRESSURE CAN STAY IN THE DUCTING. THE PRESSURE WILL
_______
DECREASE WHEN YOU RELEASE THE CLAMPS.
(1)
Disconnect the sense line (1).
(2)
Put blanking plugs on the disconnected line ends.
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