____ No. CP2245) on all nuts and connections after they are torqued.
5. Close-up
________ Subtask 78-31-49-440-089
A. Make the thrust reverser serviceable: (Ref. TASK 78-30-00-081-041) Subtask 78-31-49-410-098
B. Close Access
(1) Make sure that the work area is clean and clear of tool(s) and other items.
(2) Close the fan cowl doors: (Ref. TASK 71-13-00-410-040)
FOR 1000EM1
437AL, 438AR
FOR 1000EM2
447AL, 448AR
(3) Remove the access platform(s).
(4) Remove the warning notice(s).
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TASK 78-31-49-000-029
Removal of the Left or Right Supply Pipe of the Door-Opening Actuator
WARNING : WEAR A FACE SHIELD WHICH IS RESISTANT TO HIGH PRESSURE JETS WHEN YOU
_______
WORK ON PRESSURIZED SYSTEMS.
R WARNING : DO NOT GET THE FLUID ON YOUR SKIN OR IN YOUR EYES. IF YOU DO:
_______ R - FLUSH IT AWAY WITH CLEAN WATER R - GET MEDICAL AID.
CAUTION : USE 2 WRENCHES TO REMOVE OR INSTALL THE TUBE COUPLING NUTS.
_______
ONE WRENCH TO HOLD THE UNION AND ONE TO LOOSEN OR TIGHTEN THE
COUPLING NUT. THIS WILL PREVENT DAMAGE TO THE HARDWARE.
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific container 1 USgal (4 L)
No specific protective covers
No specific warning notice
No specific access platform 1 m (3 ft. 3 in.)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
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
78-31-49-991-316 Fig. 415
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3. Job Set-up
__________
Subtask 78-31-49-941-089
A. Safety Precautions
(1) On the center pedestal, on the ENG panel 115VU:
(a) Put a warning notice to tell persons not to start the engine.
(2) Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
(3) On the overhead maintenance panel 50VU:
(a) Make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.
(b) Put a warning notice to tell persons not to energize the FADEC 1(2).
Subtask 78-31-49-010-123
B. Get Access
(1) Open the fan cowl doors: (Ref. TASK 71-13-00-010-040)
FOR 1000EM1
437AL, 438AR
FOR 1000EM2
447AL, 448AR
(2) Put the access platform in position.
Subtask 78-31-49-040-115
C. Make the thrust reverser unserviceable (Ref. TASK 78-30-00-481-041).
Subtask 78-31-49-010-124
D. Open the thrust reverser doors: (Ref. TASK 78-36-00-010-040)
FOR 1000EM1
451AL, 452AR
FOR 1000EM2
461AL, 462AR
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4. Procedure
_________ (Ref. Fig. 415/TASK 78-31-49-991-316) Subtask 78-31-49-020-087
A. Removal of the Left or Right Supply Pipe of the Door-Opening Actuator
(1) Put a container 1 USgal (4 L) under the lower door-opening pipe connection.
(2) Disconnect the supply pipe from the inner supply pipe and let the hydraulic fluid drain into the container.
(3) Remove the bolt and clamp that attach the supply pipe to the forward frame.
(4) Disconnect the supply pipe from the hydraulic junction box.
(5) Remove the supply pipe from the forward frame.
(6) Put protective covers on the pipe ends.
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