(a) Engine suspected of experiencing excessive g loading during transportation must be given the following inspection. The inspection consists of visual and manual checks followed by a functional check.
(2) Check engine for obvious damage as follows:
(a) Visually inspect for buckling, deformation or cracking in engine skin and flange areas around transportation mounts.
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(b) To turn fan rotor by hand:
WARNING : USE CARE TO AVOID PERSONAL INJURY WHEN YOU MANUALLY
_______ TURN THE FAN ROTOR. ASSURE SAFE FOOTING.USE HEAVY PROTECTIVE GLOVES
1 Turn fan rotor by hand ; check for bearing roughness, unusual
_ noises and binding. Clear indications of this type of damage require engine disassembly.
NOTE : Light rubbing of seals and shrouds is normal.
____
(c) If seal or shroud interference is found and appears minimal, the engine can be considered serviceable after completing a successful dry motoring check (Ref. TASK 71-00-00-710-001) and power assurance check (Ref. TASK 71-00-00-710-008).
(d) After functional test run, check scavenge screens and master magnetic chip detector for the presence of metal particles caused by bearing damage. Return engine to shop for inspection if unusual deposits are found.
5. Close-up
________
Subtask 72-00-00-410-075
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 72-00-00-440-061
B. Make the thrust reverser serviceable (Ref. TASK 78-30-00-081-041).
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C. Close Access
(1) Close the fan cowl doors (Ref. TASK 71-13-00-410-040): FOR 1000EM1 437AL, 438AR FOR 1000EM2 447AL, 448AR
(2) Remove the warning notice(s).
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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 warning notice
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 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
3. Job Set-up
__________ Subtask 72-00-00-941-070
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 72-00-00-010-077
B. Open the fan cowl doors (Ref. TASK 71-13-00-010-040):
FOR 1000EM1
437AL, 438AR
FOR 1000EM2
447AL, 448AR
Subtask 72-00-00-040-062 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 1(45)
