(1) Remove the protective covers from the pipe ends.
(2) Put the supply pipe in position on the forward frame.
(3) Connect the supply pipe to the hydraulic junction box and the inner supply pipe.
(4) TORQUE the coupling nuts to between 130 and 150 lbf.in (1.46 and 1.69 m.daN).
(5) Attach the supply pipe to the forward frame with the clamps and bolts.
(6) TORQUE the bolts to between 70 and 80 lbf.in (0.79 and 0.90 m.daN). NOTE : Apply a witness line of finish paint EA4 blue 5991 (Material
____ No. CP2245) on all nuts and connections after they are torqued.
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________ Subtask 78-31-49-410-099
A. Close Access
(1) Make sure that the work area is clean and clear of tool(s) and other items.
(2) Close the thrust reverser doors: (Ref. TASK 78-36-00-410-040) FOR 1000EM1 451AL, 452AR FOR 1000EM2 461AL, 462AR
Subtask 78-31-49-440-090
B. Make the thrust reverser serviceable (Ref. TASK 78-30-00-081-041). Subtask 78-31-49-410-100
C. 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 access platform(s).
(3) Remove the warning notice(s).
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TASK 78-31-49-000-001 Removal of the Left or Right Inner Supply Pipe of the Door-Opening Actuator
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 78-31-49-991-317 Fig. 416
3. Job Set-up
__________ Subtask 78-31-49-941-091
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.
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