5. Close-up
________
Subtask 77-21-10-410-071
A. Close Access
(1) Make sure that the work area is clean and clear of tool(s) and other items.
(2) Close the thrust reverser doors: (Ref. TASK 78-36-00-410-040). FOR 1000EM1 451AL, 452AR FOR 1000EM2 461AL, 462AR
(3) Remove the warning notice(s).
Subtask 77-21-10-440-060
B. Make the thrust reverser serviceable (Ref. TASK 78-30-00-081-041). R
Subtask 77-21-10-410-072
R C. Close Access
R (1) Close the fan cowl doors (Ref. TASK 71-13-00-410-040):
R FOR 1000EM1 437AL, 438AR FOR 1000EM2 447AL, 448AR
R (2) Remove the warning notice(s).
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TASK 77-21-10-000-027
Removal of the Lower Left Thermocouple Lead Assembly
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 77-21-10-991-307 Fig. 405
3. Job Set-up
__________
Subtask 77-21-10-941-063
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 77-21-10-010-076
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 77-21-10-040-072
C. Make the thrust reverser unserviceable (Ref. TASK 78-30-00-481-041).
Subtask 77-21-10-010-088
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. 405/TASK 77-21-10-991-307)
Subtask 77-21-10-020-059
R A. Removal of the Lower Left Thermocouple Lead Assembly (Lower Left T495 R Sector)
R (1) Cut and remove the lockwire.
R (2) Disconnect the main junction box lead connector (130) from the lower R left T495 sector junction box (parallel junction box) (20).
R (3) Remove the parts which attach the lower left T495 as follows:
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R REMOVE | FROM
R |
R Nuts (10) | Studs (30)
R |
R |
R Bolts (60) | Bracket (40)
R |
R |
R Clamp (50) |
R Bolt (120) | Bracket (90)
R |
R |
R |
R Clamp (110) |
R Lower |
R extension |
R lead box |
R (100) |
R Nuts (80) | Flange S
R Bolts (70) |
R Bracket (90)|
R Bolt (150) | Bracket (140)
R |
R |
R Clamp (160) |
| NOTE | | On LPT case, at the 7 and the 8:15 o'clock | positions (Detail B) | | On flange S, at the 8:30 o'clock position | (Detail C) | | | On the lower left T495 sector (20) | junction at the 8 o'clock position | (Detail D) | | | | | | | At the 8 o'clock position (Detail D) | | | On flange S, at the 7:30 o'clock position | (Detail E) | | 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：A320飞机维护手册 AMM ENGINE INDICATING 发动机指示(25)
