(2) Put the access platform in position.
Subtask 71-50-00-040-052
C. Make the thrust reverser unserviceable (Ref. TASK 78-30-00-481-041).
Subtask 71-50-00-010-055
D. Open the thrust reverser doors (Ref. TASK 78-36-00-010-040):
FOR 1000EM1
451AL, 452AR
FOR 1000EM2
461AL, 462AR
4. Procedure
_________
Subtask 71-50-00-280-051
A. Check of the Power Plant Wire Harness
(1) Shorted Wire Check of the Power Plant Wire Harness:
CAUTION : YOU MUST DISCONNECT ALL THE CONNECTORS WHICH HAVE A
_______ RELATION TO THE CIRCUITS THAT ARE BEING CHECKED. FAILURE TO DO THIS WILL CAUSE UNSATISFACTORY RESISTANCE INDICATIONS AND POSSIBLE DAMAGE TO THE CIRCUITS.
R CAUTION : DO NOT CAUSE DAMAGE TO CONNECTOR PINS WHEN YOU DO
_______ R CONTINUITY CHECKS. DAMAGED PINS CAN BECOME LOOSE AND CAN R THUS INTERMITTENTLY PREVENT CORRECT CONTINUITY.
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____ unsatisfactory with a megohmmeter model 1863.
(a) Disconnect the connector at each end of the wire harness which contains the unsatisfactory wire.
(b) Set the megohmmeter model 1863 to the 100VDC scale.
(c) Connect the leads of the megohmmeter to each end of the wire and check for resistance.
(d) The resistance must be infinity.
(e) Defective circuits must be repaired (Ref. AWM 20-00-00).
(2) Resistance Check of the Power Plant Wire Harness: NOTE : You should do a resistance wire check on wires that could to
____ be unsatisfactory with a megohmmeter model 1863.
(a) Disconnect the connectors at each end of the wire harness which contains the unsatisfactory wire.
(b) Set the megohmmeter model 1863 to the 500VDC scale.
(c) Connect the lead of the megohmmeter to the backshell body of the connector.
(d) Connect the other lead to the contact pin or the contact socket of the connector.
(e) The resistance must be a minimum of 20 megohms.
(f) If the harness fails the resistance test, replace the harness.
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________ Subtask 71-50-00-410-054
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
(3) Remove the access platform(s). Subtask 71-50-00-440-052
B. Make the thrust reverser serviceable (Ref. TASK 78-30-00-081-041). Subtask 71-50-00-410-055
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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ELECTRICAL HARNESS - FAN ZONE - REMOVAL/INSTALLATION
____________________________________________________ TASK 71-51-43-000-043 Removal of the Generator Power Harness (4210KS)
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific circuit breaker(s) safety clip(s)
No specific protective covers
No specific warning notice
No specific access platform 1 m (3 ft. 3 in.)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
71-13-00-010-040 Opening of the Fan Cowl Doors 71-51-43-991-300 Fig. 401 71-51-43-991-301 Fig. 402
3. Job Set-up
__________ Subtask 71-51-43-941-053
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. 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 动力装置 POWER PLANT 2(15)
