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 NOTE : As vectorial sum Ft defined in paragraph A(5) is greater than
____ 400 cm.g (157 in.g), static correction must be followed by a trim balance operation (Ref. TASK 71-00-00-750-001).
 NOTE : you can do a vibration check (Ref. TASK 71-00-00-710-009) when
____ you replace the fan blade(s) or when you install the same fan blade set again. The results of the the survey will show if it is necessary to do a fan trim balance or if the installation is correct (Ref. TASK 71-00-00-750-001).
 5. Close-up
________ Subtask 72-21-00-869-069
 A. Make sure that the work area is clean and clear of tool(s) and other items.
 Subtask 72-21-00-942-068
 B. Close Access
 (1) Remove the access platform(s).

 (2) Remove the warning notice(s).

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ECES E TASK 72-21-00-320-003 Blending of Fan Rotor Blades

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 1. Reason for the Job
__________________
 Self Explanatory
 2. Job Set-up Information
______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific magnifying glass power 10x to 20x No specific soft file No specific warning notice No specific Light source - white 856A2949 1 TEMPLATE, CHECKING - FAN BLADE LEADING EDGE
 B. Consumable Materials
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No.  CP1039 
Material No.  CP1041 
R  Material No.  CP2011 
R 
Material No.  CP2189 
Material No.  CP2191 
R  Material No.  CP2559 
R 
R  Material No.  CP2560 
R 
R  Material No.  CP2566 
R 
R  Material No.  CP2584 
R 
R  Material No.  CP2656 
R 
F 
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ECES 

*
 acetone (Ref. 70-30-00)
*
 isopropyl alcohol (Ref. 70-30-00)
*
stoddard solvent (Ref. 70-30-00)
*
 durite G422 (Ref. 70-30-00)
*
 durite G421 (Ref. 70-30-00)
*
ardrox 552 (Ref. 70-30-00)
*
turco ind 79 (Ref. 70-30-00)
*
mag-chem teksol (Ref. 70-30-00)
*
degreasol 99 R (Ref. 70-30-00)
*
mag-chem skysol (Ref. 70-30-00)

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 C. Referenced Information

 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
70-51-00-230-002  Fluorescent-Penetrant Inspection-Portable-Water
 Washable

R 72-21-00-000-007 Removal of the Fan Rotor Blades SPM 704111 SPM 704112 72-21-00-991-329 Fig. 803
R 72-21-00-991-333 Fig. 804 R 72-21-00-991-334 Fig. 805
 3. Job Set-up
__________
 Subtask 72-21-00-941-075
 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). R
 4. Procedure
_________
R  (Ref. Fig. 803/TASK 72-21-00-991-329, 804/TASK 72-21-00-991-333, 805/TASK 72-21-00-991-334)
 Subtask 72-21-00-020-069
R A. Remove the damaged fan blades, if necessary (Ref. TASK 72-21-00-000-007). R
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R R  Blend Repair of the Fan Rotor Blade Airfoil Figure 803/TASK 72-21-00-991-329
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