(2) On the overhead maintenance panel 50VU, make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off. Make sure that a warning notice is in position to tell persons not to energize the FADEC 1(2).
(3) Make sure that the access platform is in position.
Subtask 75-31-30-010-061
B. Get Access
(1) Make sure that the fan cowl doors are open: (Ref. TASK 71-13-00-010-040) FOR 1000EM1 437AL, 438AR FOR 1000EM2
R 447AL, 448AR.
(2) Make sure that the thrust reverser doors are open: (Ref. TASK 78-36-00-010-040) FOR 1000EM1 451AL, 452AR FOR 1000EM2
R 461AL, 462AR.
Subtask 75-31-30-040-057
C. Make sure that the thrust reverser is unserviceable (Ref. TASK 78-30-00-481-041).
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4. Procedure
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(Ref. Fig. 402/TASK 75-31-30-991-301)
Subtask 75-31-30-420-053
A. Installation of the VBV system main flexible shaft
R CAUTION : BE CAREFUL NOT TO DAMAGE THE PROTECTIVE BOOT (PRE CFM SB
_______ R 75-0010) ON THE STOP MECHANISM. ONLY BLEED VALVE STOP MECHANISM R WHICH INCLUDES PACKED SEALED BEARINGS, HAS NOT A PROTECTING R BOOT (POST CFM SB 75-0010).
(1) Engage the splined end (spring side) of the main flexible shaft in R the fuel gear motor and stop mechanism assembly, through the R protective boot for stop mechanism equipped with (PRE CFM SB R 75-0010). Make sure the spring is present on the main flexible shaft.
(2) Make sure that the main flexible shaft is correctly engaged.
(3) Install the bleed valve and master ballscrew actuator (Ref. TASK 75-31-50-400-002).
(4) Do a manual operation check of the Variable Bleed Valve doors (Ref. TASK 75-31-00-200-002)
(5) Do an operational test of the FADEC on the ground (with engine motoring) (Ref. TASK 73-29-00-710-040).
5. Close-up
________
Subtask 75-31-30-410-055
A. Close Access
(1) Make sure that the work area is clean and clear of tool(s) and other items.
(2) Close thrust reverser cowl doors: (Ref. TASK 78-36-00-410-040) FOR 1000EM1 451AL, 452AR FOR 1000EM2
R 461AL, 462AR.
(3) Remove the access platform(s).
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Subtask 75-31-30-440-053
B. Make the thrust reverser serviceable (Ref. TASK 78-30-00-081-041).
Subtask 75-31-30-410-057
C. Close Access
(1) Close fan cowl doors: (Ref. TASK 71-13-00-410-040) FOR 1000EM1 437AL, 438AR FOR 1000EM2
R 447AL, 448AR.
(2) Remove the warning notice(s).
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TASK 75-31-30-200-002
Visual Inspection of the VBV Main Flexible Shaft and the VBV Inter-connecting Flexible Shafts
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 -------------------------------------------------------------------------------
71-13-00-010-040 Opening of the Fan Cowl Doors 71-13-00-410-040 Closing of the Fan Cowl Doors 72-23-00-000-027 Removal of the Fan Duct Panels 72-23-00-400-027 Installation of the Fan Duct Panels 75-31-30-000-001 Removal of a VBV Inter-connecting Flexible Shaft
(Typical). 75-31-30-000-002 Removal of the VBV System Main Flexible Shaft 75-31-30-400-001 Installation of a VBV Inter-connecting Flexible Shaft
(Typical) 75-31-30-400-002 Installation of the VBV System Main Flexible Shaft 78-36-00-010-040 Opening of the Thrust Reverser Doors 78-36-00-410-040 Closing of the Thrust Reverser Doors 75-31-30-991-309 Fig. 601
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