(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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