(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 78-31-17-010-059
 B. Get Access
 (1) 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 78-31-17-040-056
 C. Make sure that the thrust reverser is unserviceable (Ref. TASK 78-30-00-481-041).
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 4. Procedure
_________
 (Ref. Fig. 401/TASK 78-31-17-991-301)
 Subtask 78-31-17-420-052
 A. Installation of the Blocker Door Actuation Levers
 (1) Install the outer and the inner levers on the beam. R (2) Install the bolt and a new lock washer (10).
 (3) TORQUE the bolt to between 70 and 80 lbf.in (0.79 and 0.90 m.daN).

 (4) Bend the tab on the lock washer up against the bolthead.

 (5) Install the lower or the upper blocker door (Ref. TASK 78-32-41-400-001) or (Ref. TASK 78-32-41-400-002).

 (6) Attach the trigger to the beam with the screw and the nut.

 (7) TORQUE the nut to between 30 and 40 lbf.in (0.33 and 0.45 m.daN).

 (8) Install the blocker door deploy switch (Ref. TASK 78-31-17-400-001).

 5. Close-up
________
 Subtask 78-31-17-440-052

 A. Make the thrust reverser serviceable (Ref. TASK 78-30-00-081-041).
 Subtask 78-31-17-410-053

 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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 Subtask 78-31-17-710-052

 C. Do an operational test of the thrust reverser system (Ref. TASK 78-31-00-710-043).
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 SWITCH - BLOCKER DOOR DEPLOY (4103KS1,4103KS2) - ADJUSTMENT/TEST

________________________________________________________________
 TASK 78-31-17-710-002
 Operational Test of the Pivoting Door Deploy Switch
 1. Reason for the Job
__________________
 Self Explanatory
 2. Job Set-up Information
______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------
REFERENCE  QTY DESIGNATION
 -------------------------------------------------------------------------------
No specific ohmmeter (V16902)
 No specific warning notice
 No specific access platform 1 m (3 ft. 3 in.)
 No specific Torque Wrench : range 35 to 44 lbf.in

 (0.39 to 0.49 m.daN)
 B. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE  DESIGNATION
 -------------------------------------------------------------------------------
71-13-00-010-040 Opening of the Fan Cowl Doors
 71-13-00-410-040 Closing of the Fan Cowl Doors
 78-30-00-081-041 Make the Thrust Reverser Serviceable after

 Maintenance
 78-30-00-481-041 Make the Thrust Reverser Unserviceable for
 Maintenance
 78-31-17-000-001 Removal of the Blocker Door Deploy Switch
 (4103KS1,4103KS2)
 78-31-17-400-001 Installation of the Blocker Door Deploy Switch
 (4103KS1,4103KS2)

R  CMM 783235 78-31-17-991-302 Fig. 501 78-31-17-991-303 Fig. 502
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 3. Job Set-up
__________ Subtask 78-31-17-941-065
 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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