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(b) Install the handcranking drive pad cover (Ref. TASK 72-63-00-400-002).
(c) Remove the drive motor from the starter pad of the AGB.
(d) Install the starter (Ref. TASK 80-11-10-400-002).
5. Close-up
________ Subtask 72-52-00-410-054
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
Subtask 72-52-00-440-052
B. Make the thrust reverser serviceable (Ref. TASK 78-30-00-081-041). Subtask 72-52-00-410-055
C. Close Access
(1) Close the fan cowls (Ref. TASK 71-13-00-410-040):
FOR 1000EM1
437AL, 438AR
FOR 1000EM2
447AL, 448AR.
(2) Remove the access platform(s).
(3) Remove the warning notice(s).
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TASK 72-52-00-290-004- 01
Borescope Inspection of the High Pressure Turbine Rotor Blade (from the front)
1. Reason for the Job
__________________
This TASK is applicable for /P engines.
Inspection of the high pressure turbine (HPT) blades from the front is
limited to the areas that can be seen with a flexible borescope installed at
the spark igniter ports (S10 and S11).
NOTE : There are 80 HPT blades installed in the rotor.
____
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific access platform
No specific protective caps
No specific warning notice
No specific 0.75 in. square drive socket
No specific 2ft. long breaker bar
856A1310 1 KIT, BORESCOPE GUIDE - HP TURBINE
856A1321 1 FIBERSCOPE SET
856A1322 1 BORESCOPE - LIGHT SOURCE SET
856A1323 1 MONITOR, RESOLUTION BORESCOPE
856A1488 1 MOTOR, DRIVE - CORE ENGINE ROTATION
B. 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 72-00-00-200-025 Over-Serviceable-Limit Extensions 72-42-00-290-005 Inspection of the Combustion Chamber and HPT Nozzle
Following a Birdstrike/FOD
72-63-00-000-002 Removal of the Handcranking Drive Cover
72-63-00-400-002 Installation of the Handcranking Drive Cover
74-21-30-000-002 Removal of the Spark Igniter
74-21-30-400-002 Installation of the Spark Igniter
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-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
78-30-00-081-041 Make the Thrust Reverser Serviceable after Maintenance 78-30-00-481-041 Make the Thrust Reverser Unserviceable for
Maintenance 78-36-00-010-040 Opening of the Thrust Reverser Doors 78-36-00-410-040 Closing of the Thrust Reverser Doors 80-11-10-000-002 Removal of the Pneumatic Starter 80-11-10-400-002 Installation of the Pneumatic Starter NTM 72-00-00 72-52-00-991-304 Fig. 601 72-52-00-991-300 Fig. 602 72-52-00-991-305 Fig. 605 72-52-00-991-306 Fig. 606 72-52-00-991-307 Fig. 609
3. Job Set-up
__________
Subtask 72-52-00-941-054
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.
(3) On the overhead maintenance panel 50VU: 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 发动机 2(69)
