(2) Remove the warning notice(s).
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TASK 77-31-30-210-002
Visual Inspection of the TRF Vibration 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-nose connector pliers No specific warning notice
B. 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 77-31-30-000-002 Removal of the Turbine Rear Frame Vibration Sensor 77-31-30-400-002 Installation of the Turbine Rear Frame Vibration
Sensor 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 77-31-30-991-300 Fig. 601
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3. Job Set-up
__________ Subtask 77-31-30-941-053
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.
(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 77-31-30-010-057
B. Open the left fan cowl doors: (Ref. TASK 71-13-00-010-040)
FOR 1000EM1
437AL
FOR 1000EM2
447AL
Subtask 77-31-30-040-055
C. Make the thrust reverser unserviceable (Ref. TASK 78-30-00-481-041). Subtask 77-31-30-010-063
D. Open the left thrust reverser doors: (Ref. TASK 78-36-00-010-040) FOR 1000EM1 451AL FOR 1000EM2 461AL
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(Ref. Fig. 601/TASK 77-31-30-991-300)
Subtask 77-31-30-210-051
A. Visual Inspection of the TRF Vibration Sensor:
(1) Disconnect the aircraft harness from the TRF sensor connector. Use soft-nose connector pliers only if necessary.
-------------------------------------------------------------------------------INSPECT/CHECK MAXIMUM REMARKS SERVICEABLE LIMITS -------------------------------------------------------------------------------
1. Examine the sensor accelerometer for:
A. Cracks in mounting Not permitted Replace TRF vibration
flange sensor (Ref. TASK 77-31-30-000-002) and (Ref. TASK 77-31-30-400-002).
2. Examine all the attachment points of the sensor to the engine for:
A. Loose bolts Not permitted TORQUE bolts as told in (accelerometer and installation topic lead) (Ref. TASK 77-31-30-400-
002)
B. Loose screws, Not permitted TORQUE screws, install missing half plate half plate and lockwire as , broken or told in installation topic missing lockwire (Ref. TASK 77-31-30-400-(connector end) 002)
3. Examine the braid of the lead for:
A. Chafing (wear) or Not permitted Replace TRF vibration
fraying sensor (Ref. TASK 77-31-30-000-002) and (Ref. TASK 77-31-30-400-002)
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Visual Inspection of the TRF Vibration Sensor
Figure 601/TASK 77-31-30-991-300- 12 (SHEET 1)
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