(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 75-31-00-010-055
 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 75-31-00-040-052
 C. Make the thrust reverser unserviceable (Ref. TASK 78-30-00-481-041).
 Subtask 75-31-00-010-058
 D. Open the thrust reverser doors (Ref. TASK 78-36-00-010-040):
 FOR 1000EM1
 451AL, 452AR
 FOR 1000EM2
 461AL, 462AR

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_________
 (Ref. Fig. 601/TASK 75-31-00-991-301) Subtask 75-31-00-010-068
 A. Remove the fan duct panels (Ref. TASK 72-23-00-000-027). Subtask 75-31-00-210-051
 B. Visually Inspect the following:
 -------------------------------------------------------------------------------INSPECT/CHECK MAXIMUM REMARKS SERVICEABLE LIMITS -------------------------------------------------------------------------------
1. The bleed valve doors for:
 A. Distortion
R B. Damaged seal R R
2. The master VBV door for:
 A. Distortion
R B. Damaged seal R R
3. The flexible shafts for distortion or breakage
 F
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E
E
ECES

Not serviceable
Serviceable, if the engine parameters are within limits
Not serviceable
Serviceable, if the engine parameters are within limits
Not serviceable 『E EEEReplace the bleed valve (Ref. TASK 75-31-60-000-002) and (Ref. TASK 75-31-60-400-002).
Replace the bleed valve (Ref. TASK 75-31-60-000-002) and (Ref. TASK 75-31-60-400-002).
Replace the master VBV door (Ref. TASK 75-31-50-000-002) and (Ref. TASK 75-31-50-400-002).
Replace the master VBV door (Ref. TASK 75-31-50-000-002) and (Ref. TASK 75-31-50-400-002).
Replace the flexible
shaft.

75-31-00Page 603
May 01/04 F 『 E C F M E E E E 56-5B E

 Visual Inspection of the VBV System
 Figure 601/TASK 75-31-00-991-301

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 C. Install the fan duct panels (Ref. TASK 72-23-00-400-027).
 5. Close-up
________ Subtask 75-31-00-410-055
 A. Close Access
 (1) Make sure that the work area is clean and clear of tool(s) and other items.

 (2) Close the thrust reverser doors (Ref. TASK 78-36-00-410-040): FOR 1000EM1 451AL, 452AR FOR 1000EM2 461AL, 462AR

 Subtask 75-31-00-440-052
 B. Make the thrust reverser serviceable (Ref. TASK 78-30-00-081-041). Subtask 75-31-00-410-058
 C. Close Access
 (1) Close the fan cowl doors (Ref. TASK 71-13-00-410-040):
 FOR 1000EM1
 437AL, 438AR
 FOR 1000EM2
 447AL, 448AR

 (2) Remove the access platform(s).

 (3) Remove the warning notice(s).

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 TASK 75-31-00-200-002
 Manual Operation Check of the Variable Bleed Valve Doors
 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 1.5 m (4 ft. 11 in.)
 856A2501 1 WRENCH - VBV MANUAL CONTROL

 B. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
　
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