(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 77-21-10-010-073
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 77-21-10-040-066
C. Make the thrust reverser unserviceable (Ref. TASK 78-30-00-481-041).
Subtask 77-21-10-010-082
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. 402/TASK 77-21-10-991-304)
Subtask 77-21-10-020-062
R
R A. Removal of the Lower Extension Lead
R (1) Cut and remove the lockwire.
R (2) Disconnect the lower extension lead (10) from the main junction box R (20) and from the lower right T495 sector junction box (180).
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R R Lower Extension Lead Figure 402/TASK 77-21-10-991-304- 13 (SHEET 1)
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R R Lower Extension Lead Figure 402/TASK 77-21-10-991-304- 23 (SHEET 2)
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R R Lower Extension Lead Figure 402/TASK 77-21-10-991-304- 33 (SHEET 3)
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R (3) Remove the parts which attach the lower extension lead (10) as
R follows:
R
R -------------------------------------------------------------------------------
R REMOVE | FROM | NOTE
R | |
R Bolt (30) | Bracket (50) | On flange S, at the 8:45 o'clock position
R | | (Detail C)
R | |
R Clamp (40) | Bracket (60) on | At the 8 o'clock position
R Bolt (80) | lever-left T495 | (Detail D)
R | sector junction box |
R | |
R Clamp (70) | Bracket (90) | On flange S, at the 7:30 o'clock position
R Bolt (100) | | (Detail E)
R | |
R Clamp (110) | Bracket (120) | On flange S, at the 6:45 o'clock position
R Bolt (130) | | (Detail G)
R | |
R Clamp (140) | Bracket (170) | On flange S, at the 6 o'clock position
R Bolt (150) | | (Detail G)
R | |
R Clamp (160) | |
R (4) Remove the lower extension lead from the engine.
R (5) Install blanking plugs and caps on the connectors and receptacles.
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TASK 77-21-10-400-009
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本文鏈接地址：A320飛機(jī)維護(hù)手冊(cè) AMM ENGINE INDICATING 發(fā)動(dòng)機(jī)指示(18)
