(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 77-21-10-010-072
 B. Get Access
 (1) Open the fan cowl doors: (Ref. TASK 71-13-00-010-040) FOR 1000EM1 437AL, 438AR FOR 1000EM2 447AL, 448AR
 Subtask 77-21-10-040-064
 C. Make the thrust reverser unserviceable (Ref. TASK 78-30-00-481-041).
 Subtask 77-21-10-010-080
 D. Open the thrust reverser doors: (Ref. TASK 78-36-00-010-040)
 FOR 1000EM1
 451AL, 452AR
 FOR 1000EM2
 461AL, 462AR

 4. Procedure
_________
R (Ref. Fig. 401/TASK 77-21-10-991-303)
 Subtask 77-21-10-020-057
R A. Removal of the Upper Extension Lead.
R (1) Cut and remove the lockwire.
R (2) Disconnect the upper extension lead (10) from the upper right T495 R sector junction box (120) and from the main junction box (20).
R (3) Remove the parts which attach the upper extension lead (10) as R follows:

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R -------------------------------------------------------------------------------R REMOVE | FROM | NOTE R | | R Bolt (30) | Bracket (50) | On flange S, at the 10:15 o'clock position R | | (Detail C) R | | R Clamp (40) | Bracket (80) | On flange S, at the 11 o'clock position R Bolt (60) | | (Detail D) R | | R Clamp (70) | Bracket (100) | On flange S, at the 11:45 o'clock position R Bolt (90) | | (Detail E) R | | R Clamp (110) | |

R (4) Remove the upper extension lead from the engine.
R (5) Install the blanking plugs and caps on the connectors and R receptacles. R
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R R  Upper Extension Lead Figure 401/TASK 77-21-10-991-303- 13 (SHEET 1)
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R R  Upper Extension Lead Figure 401/TASK 77-21-10-991-303- 23 (SHEET 2)
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R R  Upper Extension Lead Figure 401/TASK 77-21-10-991-303- 33 (SHEET 3)
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 TASK 77-21-10-400-008

 Installation of the Upper Extension Lead
 1. Reason for the Job
__________________
 Self Explanatory
 2. Job Set-up Information
______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
R No specific warning notice No specific Torque Wrench : range 36.00 to 220.00 lbf.in
 (0.40 to 2.60 m.daN)
 B. Consumable Materials
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. CP2101 USA MIL-T-5544 graphite grease (Ref. 70-30-00) Material No. CP8001 * R lockwire 0.032 in. (0.8 mm) dia. (Ref. 70-30-00) Material No. CP8002 * R lockwire 0.032 in. (0.8 mm) dia. (Ref. 70-30-00)
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 C. 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 73-29-00-710-040 Operational Test of the FADEC on the Ground (with
　
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