A320飞机维护手册 AMM ENGINE INDICATING 发动机指示(30)

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 1. Reason for the Job
__________________
 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 77-21-10-991-309 Fig. 407
 3. Job Set-up
__________
 Subtask 77-21-10-941-065
 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 77-21-10-010-078
 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 77-21-10-040-076
 C. Make sure that the thrust reverser is unserviceable (Ref. TASK 78-30-00-481-041).
 Subtask 77-21-10-010-092
 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. 407/TASK 77-21-10-991-309)
 Subtask 77-21-10-020-061
R A. Removal of the Lower Right (R/H) Thermocouple Lead Assembly (Lower Right R T495 Sector)
R (1) Cut and remove the lockwire.
R (2) Disconnect the lower extension lead connector (80) from the lower R right T495 sector junction box (parallel junction box) (20).
R (3) Remove the parts which attach the lower right T495 sector as follows:
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R -------------------------------------------------------------------------------

R  REMOVE  | FROM 
R  | 
R  Nuts (10)  | Studs (30) 
R  | 
R  | 
R  Bolts (60)  | Bracket (40) 
R  | 
R  | 
R  Clamp (50)  | 
R  Nuts (90)  | Flange S 
R  | 
R  Bolts (70)  | 
R  Bolt (120)  | Bracket (100) 
R  | 
R  Clamp (110) | 

| NOTE | | On LPT case, at the 4:15 and the | 5:30 o'clock positions (Detail B) | | On flange S, at the 6 o'clock position | (Detail C) | | | At the 5:15 o'clock position (Detail D) | | | On flange S, at the 4:30 o'clock position | (Detail E) |
R (4) Carefully remove the lower right T495 sector (20) from the LPT holes R and from the engine.
R (5) Install the blanking plugs and caps on all disconnected parts. R
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R Lower Right Thermocouple Lead Assembly (Lower Right T495 Sector) R Figure 407/TASK 77-21-10-991-309- 13 (SHEET 1)
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R Lower Right Thermocouple Lead Assembly (Lower Right T495 Sector) R Figure 407/TASK 77-21-10-991-309- 23 (SHEET 2)
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R Lower Right Thermocouple Lead Assembly (Lower Right T495 Sector) R Figure 407/TASK 77-21-10-991-309- 33 (SHEET 3)
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 TASK 77-21-10-400-029
R  Installation of the Lower Right Thermocouple Lead Assembly
　
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