(4) Remove the bolt (50), nut (70), and washer (60) from the mid-conduit bracket.
(5) Remove the bolts (20) and nuts (10) that attach the electrical cable connector unit to the forward bracket.
(6) Remove the sensor from the combustion case. Discard the metal O-ring gasket (90) between the thermocouple probe and combustion case.
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TASK 77-23-10-400-002
Installation 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 soft-jawed pliers
No specific warning notice
No specific access platform 1 m (3 ft. 3 in.)
No specific Torque Wrench : range 36.00 to 220.00 lbf.in
(0.40 to 2.60 m.daN)
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. CP2101 USA MIL-T-5544
graphite grease (Ref. 70-30-00)
Material No. CP8001 *
lockwire 0.8 mm dia (Ref. 70-30-00)
Material No. CP8002 *
lockwire 0.8 mm dia (Ref. 70-30-00)
C. Expendable Parts
-------------------------------------------------------------------------------FIG.ITEM |DESIGNATION |IPC-CSN -------------------------------------------------------------------------------
90 metal O-ring gasket 77-23-10 01 -070 R 90 metal O-ring gasket 77-23-10 01A-080
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D. 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
73-29-00-710-040 Operational Test of the FADEC on the Ground (with Engine Non motoring)
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
77-23-10-991-300 Fig. 401
3. Job Set-up
__________
Subtask 77-23-10-860-051
A. Aircraft Maintenance Configuration
(1) On the center pedestal, on the ENG panel 115VU, make sure that a warning notice is in position to tell persons not to start the engine.
(2) On the overhead maintenance panel 50VU, make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off. Make sure that a warning notice is in position to tell persons not to energize the FADEC 1(2).
(3) Make sure that the access platform is in position.
Subtask 77-23-10-010-053
B. Get Access
(1) Make sure that the fan cowl doors are open (Ref. TASK 71-13-00-010-040): FOR 1000EM1 437AL, 438AR FOR 1000EM2 447AL, 448AR
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(2) Make sure that the thrust reverser doors are open (Ref. TASK 78-36-00-010-040): FOR 1000EM1 451AL, 452AR FOR 1000EM2 461AL, 462AR
Subtask 77-23-10-040-051
C. Make sure that the thrust reverser is unserviceable (Ref. TASK 78-30-00-481-041).
4. Procedure
_________
(Ref. Fig. 401/TASK 77-23-10-991-300)
Subtask 77-23-10-420-051
A. Installation 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.
R (1) Install a new metal O-ring gasket (90) or metal O-ring gasket (90) R over the combustion case thermocouple probe port.
(2) Install the thermocouple into the combustion case port and put the electrical cable connector unit in position.
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