(3) Remove the warning notice(s).
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TURBINE REAR FRAME BEARING VIBRATION SENSOR - REMOVAL/INSTALLATION
__________________________________________________________________ TASK 77-31-30-000-002 Removal of the Turbine Rear Frame 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 blanking caps No specific warning notice No specific access platform 1.5 m (4 ft. 11 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 77-31-30-991-302 Fig. 401
3. Job Set-up
__________ Subtask 77-31-30-941-054
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 77-31-30-010-058
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 an access platform in position.
Subtask 77-31-30-040-056
C. Make the thrust reverser unserviceable (Ref. TASK 78-30-00-481-041).
Subtask 77-31-30-010-060
D. Open the left thrust-reverser door: (Ref. TASK 78-36-00-010-040)
FOR 1000EM1
451AL
FOR 1000EM2
461AL
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(Ref. Fig. 401/TASK 77-31-30-991-302) Subtask 77-31-30-020-051
A. Removal of the TRF Vibration Sensor
(1) Disconnect the aircraft harness from the TRF sensor lead connector
(20) (Ref. Detail B).
(2) Remove parts which attach the TRF vibration sensor to the engine as follows:
-------------------------------------------------------------------------------
REMOVE FROM NOTE -------------------------------------------------------------------------------Nuts (50) Bracket (30) Detail B Bolts (40) and flange P
Bolt (70) Bracket (90) Detail D Clamp (80)
Bolt (110) Bracket (100) Detail C Clamp (120)
Bolt (150) Bracket (130) On flange S Clamp (140) Detail E
Bolt (170) Bracket (190) On the LPT Clamp (160) cooling manifold
Detail F
Bolt (230) Bracket (220) On flange T Clamp (200) Detail G
Nuts (240) TRF vibration sensor Holes No.103 and Bolts (250) and flange T 104 Detail H
(3) Remove the TRF vibration sensor from the engine.
(4) Cut and remove the lockwire from the screws (10) (Ref. Detail B).
(5) Remove the screws (10) and the half-plates (60) (Ref. Detail B).
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TRF Vibration Sensor
Figure 401/TASK 77-31-30-991-302- 13 (SHEET 1)
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TRF Vibration Sensor
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