(3) Remove the warning notice(s).

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 TASK 72-23-00-000-025 Removal of the Mid Acoustical Panels
 1. Reason for the Job

__________________
 Self Explanatory

 2. Job Set-up Information

______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific warning notice
 No specific access platform 1 m (3 ft. 3 in.)

 B. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
72-21-00-000-005 Removal of the Spinner Front Cone 72-21-00-000-006 Removal of the Spinner Rear Cone 72-21-00-000-007 Removal of the Fan Rotor Blades 72-23-00-991-302 Fig. 403
 3. Job Set-up
__________ Subtask 72-23-00-941-073
 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.
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 (b) Put a warning notice to tell persons not to energize the FADEC 1(2).
 Subtask 72-23-00-010-084
 B. Get Access
 (1) Put an access platform in position at the front of the engine.

 (2) Remove the spinner front cone (Ref. TASK 72-21-00-000-005).

 (3) Remove the spinner rear cone (Ref. TASK 72-21-00-000-006).

 (4) Temporarily mark each fan blade from 1 to 36.

 (5) Remove 3 consecutive fan blades (Ref. TASK 72-21-00-000-007). To compensate for imbalance caused by the removal of 3 blades, it is recommended to remove 3 blades 180 degrees opposed to those previously removed.

 4. Procedure
_________ (Ref. Fig. 403/TASK 72-23-00-991-302) Subtask 72-23-00-020-061 R A. Remove the Mid Acoustical Panels as follows: CAUTION : DO NOT EXCEED THE SPEED OF 200 RPM TO UNTORQUE AND LOOSEN ALL
_______ ACOUSTICAL PANEL SCREWS BY USING PNEUMATIC OR ELECTRICAL SCREW DRIVERS.
R (1) Remove the short screws (100) and the long screws (101) which attach R the mid acoustical panels (110).
 NOTE : If one screw is found untorqued, it must be discarded and
____
 replaced for re-installation.

 (2) Disengage panels from case and remove.

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R  Mid Acoustical Panel Figure 403/TASK 72-23-00-991-302
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 TASK 72-23-00-400-025
 Installation of the Mid Acoustical Panels
 1. Reason for the Job
__________________
 Self Explanatory
 2. Job Set-up Information
______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
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) R
 C. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R  71-00-00-000-042 Removal of the Power Plant 72-21-00-400-005 Installation of the Spinner Front Cone 72-21-00-400-006 Installation of the Spinner Rear Cone 72-21-00-400-007 Installation of the Fan Rotor Blades
　
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