(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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(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 78-31-17-010-053
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 on the right side of the engine. Subtask 78-31-17-040-052
C. Make the thrust reverser unserviceable (Ref. TASK 78-30-00-481-041).
Subtask 78-31-17-010-054
D. Remove the blocker door deploy switch (Ref. TASK 78-31-17-000-001).
4. Procedure
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(Ref. Fig. 401/TASK 78-31-17-991-301)
Subtask 78-31-17-020-052
A. Removal of the Blocker Doors Actuation Levers
(1) Remove the screw and the nut which attach the trigger.
(2) Remove the trigger.
(3) Remove the lower or upper blocker door (Ref. TASK 78-32-41-000-001) or (Ref. TASK 78-32-41-000-002).
(4) Remove the bolt and the lock washer which attach the lever on the beam. Discard the lock washer.
(5) Remove the inner and outer levers.
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TASK 78-31-17-400-003
Installation of the Blocker Doors Actuation Levers
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
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REFERENCE QTY DESIGNATION
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No specific warning notice
No specific access platform 1 m (3 ft. 3 in.)
No specific Torque Wrench : range 30 to 40 lbf.in
(0.33 to 0.45 m.daN)
No specific Torque Wrench : range 36.00 to 220.00 lbf.in
(0.40 to 2.60 m.daN)
B. Expendable Parts
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FIG.ITEM |DESIGNATION |IPC-CSN
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R 10 lock washer 78-31-17 01B-100
C. Referenced Information
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REFERENCE DESIGNATION
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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 78-31-00-710-043 Operational Test of the Thrust Reverser without CFDS
- Engine Not Running
78-31-17-400-001 Installation of the Blocker Door Deploy Switch
(4103KS1,4103KS2)
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78-32-41-400-001 Installation of the Lower Blocker Door 78-32-41-400-002 Installation of the Upper Blocker Door 78-31-17-991-301 Fig. 401
3. Job Set-up
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Subtask 78-31-17-860-055
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.
