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3. Job Set-up
__________
Subtask 78-31-17-860-053
A. Aircraft Maintenance Configuration
(1) On the center pedestal, on the ENG panel 115VU, make sure that a warning notice is in position to tell persons not to start the engine.
(2) On the overhead maintenance panel 50VU, make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off. Make sure that a warning notice is in position to tell persons not to energize the FADEC 1(2).
(3) Make sure that the access platform is in position.
Subtask 78-31-17-010-057
B. Make sure that the fan cowl doors are open (Ref. TASK 71-13-00-010-040): FOR 1000EM1 437AL, 438AR FOR 1000EM2 447AL, 448AR
Subtask 78-31-17-040-054
C. Make sure that the thrust reverser is unserviceable (Ref. TASK 78-30-00-481-041).
4. Procedure
_________
(Ref. Fig. 401/TASK 78-31-17-991-301)
Subtask 78-31-17-420-050
A. Installation of the Blocker Door Deploy Switch
(1) Install the blocker door deploy switch against the trigger.
(2) Connect the beam electrical harness to the deploy switch.
(3) Tighten the coupling nuts of the deploy switch connectors with softnose pliers.
(4) Attach the deploy switch to the blocker door with the four bolts.
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(5) TORQUE the bolts to between 70 and 80 lbf.in (0.79 and 0.90 m.daN).
(6) Attach the deploy switch access door with the three screws.
(7) TORQUE the screws to between 35 and 45 lbf.in (0.39 and 0.50 m.daN).
5. Close-up
________ Subtask 78-31-17-440-050
A. Make the thrust reverser serviceable (Ref. TASK 78-30-00-081-041). Subtask 78-31-17-410-050
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 warning notice(s).
(4) Remove the access platform(s). Subtask 78-31-17-710-050
C. Do an operational test of the thrust reverser system (Ref. TASK 78-31-00-710-042).
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TASK 78-31-17-000-002 Removal of the Beam Electrical Harness
1. Reason for the Job
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Self Explanatory
2. Job Set-up Information
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A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific soft nose pliers No specific warning notice No specific access platform 1 m (3 ft. 3 in.)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
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