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(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 75-31-30-010-056
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 75-31-30-040-054
C. Make the thrust reverser unserviceable (Ref. TASK 78-30-00-481-041).
Subtask 75-31-30-010-058
D. Open the thrust reverser cowl doors: (Ref. TASK 78-36-00-010-040) FOR 1000EM1 451AL, 452AR FOR 1000EM2
R 461AL, 462AR.
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4. Procedure
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(Ref. Fig. 401/TASK 75-31-30-991-300)
Subtask 75-31-30-020-052
A. Removal of a bleed valve inter-connecting flexible shaft
R (1) Set the VBV system to the CLOSED position (Ref. TASK 75-31-20-820-001).
(2) Remove fan duct panels, from each side of the fan frame strut related to the flexible shaft you want to remove (Ref. TASK 72-23-00-000-027).
(3) Remove the flexible shafts as follows:
(a) Push the flexible shaft clockwise to compress the spring and disengage the opposite end.
(b) Remove the flexible shaft through the fan frame strut.
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VBV Inter-connecting Flexible Shaft (Typical)
Figure 401/TASK 75-31-30-991-300
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TASK 75-31-30-400-001
Installation of a VBV Inter-connecting Flexible Shaft (Typical)
1. Reason for the Job
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Self Explanatory
2. Job Set-up Information
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A. Fixtures, Tools, Test and Support Equipment
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REFERENCE QTY DESIGNATION
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No specific warning notice
No specific access platform 1 m (3 ft. 3 in.)
B. Referenced Information
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REFERENCE DESIGNATION
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71-13-00-010-040 Opening of the Fan Cowl Doors 71-13-00-410-040 Closing of the Fan Cowl Doors 72-23-00-400-027 Installation of the Fan Duct Panels 73-29-00-710-040 Operational Test of the FADEC on the Ground (with
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