A320飞机维护手册 AMM ENGINE INDICATING 发动机指示(18)

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 Self Explanatory
 2. Job Set-up Information
______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific blanking plugs No specific caps No specific warning notice
 B. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
71-13-00-010-040 Opening of the Fan Cowl Doors 78-30-00-481-041 Make the Thrust Reverser Unserviceable for
 Maintenance 78-36-00-010-040 Opening of the Thrust Reverser Doors 77-21-10-991-304 Fig. 402
 3. Job Set-up
__________
 Subtask 77-21-10-941-060
 A. Safety Precautions
 (1) On the center pedestal, on the ENG panel 115VU:

 (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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