A. Make the thrust reverser serviceable (Ref. TASK 78-30-00-081-041).
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 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). Subtask 78-31-49-710-072
 C. Bleed the air from the thrust reverser hydraulic system. (Ref. TASK 78-30-00-710-040)
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 TASK 78-31-49-000-047

 Removal of the Upper Rod Supply Hose
 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.)
 No specific Torque Wrench : range 36.00 to 220.00 lbf.in

 (0.40 to 2.60 m.daN)
 B. Consumable Materials
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. CP2245  *
 finish paint EA4 blue 5991 (Ref. 70-30-00)

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 C. 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
 78-31-49-991-308 Fig. 407

 3. Job Set-up
__________
 Subtask 78-31-49-941-082

 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 78-31-49-010-116
 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 78-31-49-040-108

 C. Make the thrust reverser unserviceable (Ref. TASK 78-30-00-481-041).
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 (Ref. Fig. 407/TASK 78-31-49-991-308) Subtask 78-31-49-020-080
 A. Removal of the Upper Rod Supply Hose
 (1) Put a container 1 USgal (4 L) under the lower hydraulic actuator.

 (2) Disconnect the lower rod supply hose from the actuator and let the hydraulic fluid drain into the container.
　
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