B. Consumable Materials
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R Material No. CP2101 USA MIL-T-5544
R graphite grease (Ref. 70-30-00)
R Material No. CP2619 *
R Never Seez-Pure Nickel, Special (Ref. 70-30-00)
Material No. CP8001 *
lockwire 0.8 mm dia. (Ref. 70-30-00)
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C. Referenced Information
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71-13-00-010-040 Opening of the Fan Cowl Doors 71-13-00-410-040 Closing of the Fan Cowl Doors 72-51-00-290-004 Borescope Inspection of High-Pressure Turbine Nozzle
Assembly R 72-51-00-290-004 Borescope Inspection of High-Pressure Turbine Nozzle R Assembly
73-11-40-790-002 Leak Check of the Fuel Nozzles
74-21-30-000-002 Removal of the Spark Igniter
74-21-30-400-002 Installation of the Spark Igniter
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
NTM 720000
72-42-00-991-301 Fig. 601
72-42-00-991-307 Fig. 607
72-42-00-991-308 Fig. 608
3. Job Set-up
__________
Subtask 72-42-00-941-054
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:
(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).
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B. Get Access
(1) Open the fan cowl doors: (Ref. TASK 71-13-00-010-040)
FOR 1000EM1
437AL, 438AR
FOR 1000EM2
447AL, 448AR
(2) Put the access platform in position. Subtask 72-42-00-040-054
C. Make the thrust reverser unserviceable (Ref. TASK 78-30-00-481-041) Subtask 72-42-00-010-062
D. Open the thrust reverser doors: (Ref. TASK 78-36-00-010-040)
FOR 1000EM1
451AL, 452AR
FOR 1000EM2
461AL, 462AR
4. Procedure
_________ (Ref. Fig. 601/TASK 72-42-00-991-301) Subtask 72-42-00-010-063
A. Remove parts before borescope inspection.
(1) Remove the drain tube from the fuel nozzle adjacent to the 6 o'clock borescope plug.
NOTE : If you remove the drain tube from the fuel nozzle adjacent to
____ the 6 o'clock borescope plug, you will be required to perform a leak check after this inspection. Use the 6 o'clock borescope port only if necessary.
(2) Remove the borescope plugs from the approximate 1, 3, 6 and 10 o'clock positions.
(3) Remove both spark igniters (Ref. TASK 74-21-30-000-002).
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B. Do a borescope inspection.
(Ref. Fig. 607/TASK 72-42-00-991-307, 608/TASK 72-42-00-991-308)
NOTE : Use the MONITOR, RESOLUTION BORESCOPE (856A1323G01) to make sure
____ borescope and the lightsource are serviceable. See the Non-Destructive Test Manual for this procedure (Ref. NTM 720000).
(1) Connect the fiber light cable to the BORESCOPE KIT (856A1320 P04 ot P05) and to the port on BORESCOPE - LIGHT SOURCE SET (856A1322 P03 or P04 or P07).
(2) Put the rigid borescope, (856A1320 P04 or P05), into the left side ignitor position and turn on the light source of borescope-lightsource set.
(3) Turn the borescope until you can see the deflector plate, sleeve, primary swirler, and the fuel nozzle tip that is located clockwise from the ignitor. 中國航空網 www.k6050.com 航空翻譯 www.aviation.cn 本文鏈接地址：A320飛機維護手冊 AMM ENGINE 發動機 2(47)
