Maintenance
 78-36-00-010-040 Opening of the Thrust Reverser Doors
 78-36-00-410-040 Closing of the Thrust Reverser Doors

R 77-21-10-991-303 Fig. 401
 3. Job Set-up
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 Subtask 77-21-10-860-057
 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).

 Subtask 77-21-10-010-081
 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
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 (2) Make sure that the thrust reverser doors are open: (Ref. TASK 78-36-00-010-040) FOR 1000EM1 451AL, 452AR FOR 1000EM2 461AL, 462AR

 Subtask 77-21-10-040-065
 C. Make sure that the thrust reverser is unserviceable (Ref. TASK 78-30-00-481-041).
 4. Procedure
_________
R (Ref. Fig. 401/TASK 77-21-10-991-303)
 Subtask 77-21-10-420-057
R A. Installation of the Upper Extension Lead
R (1) Remove the blanking plugs and caps from the connectors and R receptacles.
R (2) Make sure that the connectors and receptacles are clean and clear of R unwanted materials.
R (3) Install the upper extension lead (10) and connect it to the upper R right T495 sector junction box (120) and to the main junction box R (20).
R (4) Apply a thin layer of graphite grease (Material No. CP2101) to the R threads of the bolts (30), (60) and (90).
R (5) Install the parts which attach the upper extension lead as follows: R -------------------------------------------------------------------------------
R  INSTALL  | ON 
R  | 
R  Clamp (40)  | Bracket (50) 
R  | 
R  | 
R  Bolt (30)  | Bracket (80) 
R  Clamp (70)  | 
R  | 
R  Bolt (60)  | Bracket (100) 
R  Clamp (110) | 
R  | 
R  Bolt (90)  | 

F EEFF : ALL E E ECES | NOTE | | On flange S, at the 10:15 o'clock position | (Detail C) | | On flange S, at the 11 o'clock position | (Detail D) | | On flange S, at the 11:45 o'clock position | (Detail E) | |
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R (6) Make sure that the upper extension lead (10) is not stressed and R torque as follows:

R (a) the connecting nuts to between 168 and 186 lbf.in (1.89 and 2.10
R m.daN) and safety with lockwire 0.032 in. (0.8 mm) dia. (Material
R No. CP8001) or lockwire 0.032 in. (0.8 mm) dia. (Material No.
R CP8002).

R (b) the bolts (30), (60), (90) to between 47 and 53 lbf.in (0.53 and
R 0.59 m.daN).
R

R Subtask 77-21-10-710-057

R B. Do an Operational Test of the FADEC on the Ground (with engine non
R motoring) (Ref. TASK 73-29-00-710-040).

 5. Close-up
________
 Subtask 77-21-10-410-065
 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

R
 Subtask 77-21-10-440-057
 B. Make the thrust reverser serviceable (Ref. TASK 78-30-00-081-041). R
 Subtask 77-21-10-410-066
R C. Close Access
R (1) Close the fan cowl doors (Ref. TASK 71-13-00-410-040):
R FOR 1000EM1 437AL, 438AR FOR 1000EM2
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 447AL, 448AR
R (2) Remove the warning notice(s).
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 TASK 77-21-10-000-009
 Removal of the Lower Extension Lead
 1. Reason for the Job
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