(3) Install the spinner rear cone (Ref. TASK 72-21-00-400-006).
(4) Install the spinner front cone (Ref. TASK 72-21-00-400-005).
(5) Remove the protective mats from the inlet cowl.
(6) Remove the access platform(s).
(7) Remove the warning notice(s).
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TASK 72-23-00-350-002
Removal of Rust from the Fan Frame Casing
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific brush
No specific warning notice
No specific access platform 1 m (3 ft. 3 in.)
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. CP2189 *
durite G422 (Ref. 70-30-00)
Material No. CP2208 *
3M-361 tape (Ref. 70-30-00)
Material No. CP2442 *
engine oil (Ref. 70-30-00)
C. 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
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
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-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
72-23-00-991-313 Fig. 801
3. Job Set-up
__________ Subtask 72-23-00-941-081
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 72-23-00-010-097
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 the access platform in position. Subtask 72-23-00-040-064
C. Make the thrust reverser unserviceable (Ref. TASK 78-30-00-481-041).
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Subtask 72-23-00-010-098
D. Open the thrust reverser doors: (Ref. TASK 78-36-00-010-040)
FOR 1000EM1
451AL, 452AR
FOR 1000EM2
461AL, 462AR
4. Procedure
_________
(Ref. Fig. 801/TASK 72-23-00-991-313)
Subtask 72-23-00-140-051
R A. Protect the fan duct panels with 3M-361 tape (Material No. CP2208).
CAUTION : DAMAGE CAN RESULT IF ENGINE OIL IS SPREAD ON VARIABLE STATOR
_______ VANE BUSHINGS OF THE COMPRESSOR FRONT STATOR.
(1) Remove loose rust on hub and struts using a cloth.
(2) If rust is still present, polish struts (radially) and hub using durite G422 (Material No. CP2189).
(3) Coat the cleaned areas with engine oil (Material No. CP2442) using a cloth or brush.
(4) Remove the masking tape from fan duct panels.
5. Close-up
________
Subtask 72-23-00-410-091
A. Close Access
(1) Make sure that the work area is clean and clear of tool(s) and other items.
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