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________ Subtask 77-22-10-410-057
A. Close Access
(1) Make sure that the work area is clean and clear of tool(s) and other items.
(2) Close the right thrust reverser doors (Ref. TASK 78-36-00-410-040): FOR 1000EM1 452AR FOR 1000EM2 462AR
(3) Remove the access platform(s). Subtask 77-22-10-440-053
B. Make the thrust reverser serviceable (Ref. TASK 78-30-00-081-041). Subtask 77-22-10-410-053
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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T3 THERMOCOUPLE - REMOVAL/INSTALLATION
______________________________________ TASK 77-23-10-000-002 Removal of the Compressor Discharge Temperature (T3) Sensor
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 caps No specific soft-jawed pliers 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 78-30-00-481-041 Make the Thrust Reverser Unserviceable for
Maintenance 78-36-00-010-040 Opening of the Thrust Reverser Doors 77-23-10-991-300 Fig. 401
3. Job Set-up
__________ Subtask 77-23-10-941-052
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 77-23-10-010-051
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 77-23-10-040-050
C. Make the thrust reverser unserviceable (Ref. TASK 78-30-00-481-041).
Subtask 77-23-10-010-052
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. 401/TASK 77-23-10-991-300)
Subtask 77-23-10-020-051
A. Removal of the Compressor Discharge Temperature (T3) sensor
CAUTION : DO NOT BEND THE CONDUIT THAT CONNECTS THE THERMOCOUPLE PROBE
_______ AND THE ELECTRICAL CABLE CONNECTOR UNIT. YOU CAN CAUSE DAMAGE TO THE LEAD INSIDE THE CONDUIT.
(1) Disconnect the 2 electrical cable connectors (30, 40). Use soft-jawed pliers if necessary.
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T3 Temperature Sensor
Figure 401/TASK 77-23-10-991-300
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E E Feb 01/98 E E ECES E E 56-5B E E E (2) Put blanking caps on the disconnected electrical connectors.
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(3) Cut and remove the lockwire from the 4 bolts (80) that attach the thermocouple unit to the combustion case. Remove the 4 bolts (80). 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(41)
