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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).
　
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