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5. Close-up
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Subtask 77-21-10-410-077
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 warning notice(s).
Subtask 77-21-10-440-063
B. Make the thrust reverser serviceable (Ref. TASK 78-30-00-081-041). R
Subtask 77-21-10-410-078
R C. Close Access R
R (1) Close the fan cowl doors (Ref. TASK 71-13-00-410-040): FOR 1000EM1 437AL, 438AR FOR 1000EM2 447AL, 448AR
R (2) Remove the warning notice(s).
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T495 THERMOCOUPLE - INSPECTION/CHECK
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TASK 77-21-10-200-002
Inspection/Check of the T495 Thermocouple Wiring Harness
1. Reason for the Job
__________________
R This procedure gives instructions for the troubleshooting of each part and R the isolation of defective subassemblies in EGT systems, because a check of R the serviceability of the EGT thermocouple harness, as an assembly, is not R possible. You must do this procedure step by step as described below.
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
R No specific megohmeter No specific ohmmeter, accuracy 1% No specific warning notice
R No specific MIL-C 5015-10SL3S connector with test lead
No specific access platform 1 m (3 ft. 3 in.) R No specific Torque Wrench : range 36.00 to 220.00 lbf.in R (0.40 to 2.60 m.daN)
856A3317 1 CHECK - LEAD FOR WIRING HARNESS EGT - RH R 856A3318 2 CHECK - LEAD FOR WIRING HARNESS EGT - LH
R B. Consumable Materials
R -------------------------------------------------------------------------------R REFERENCE DESIGNATION
R -------------------------------------------------------------------------------
R Material No. CP8001 *
R lockwire 0.032 in. (0.8 mm) dia. (Ref. 70-30-00)
R Material No. CP8002 *
R lockwire 0.032 in. (0.8 mm) dia. (Ref. 70-30-00)
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-------------------------------------------------------------------------------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
77-21-10-991-301 Fig. 601
R 77-21-10-991-302 Fig. 602
3. Job Set-up
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Subtask 77-21-10-941-066
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.
(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 77-21-10-010-079
B. Get Access
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