F 『
E C F M E
E E
E 56-5B E
E E
__________ Subtask 75-31-30-941-055
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 75-31-30-010-063
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) Open the thrust reverser doors (Ref. TASK 78-36-00-010-040): FOR 1000EM1 451AL, 452AR FOR 1000EM2 461AL, 462AR
(3) Put the access platform in position.
(4) Remove the fan duct panels between the strut at 8 o'clock and the strut at 11 o'clock positions (Ref. TASK 72-23-00-000-027).
F 『 EEFF : ALL E Page 60275-31-30
E E Feb 01/03 E E ECES E 4. Procedure
F 『
E C F M E
E E
E 56-5B E
E E
_________
(Ref. Fig. 601/TASK 75-31-30-991-309)
Subtask 75-31-30-210-051
A. Visual inspection of the VBV main flexible shaft and of the
inter-connecting flexible shafts
-------------------------------------------------------------------------------INSPECT/CHECK MAXIMUM REMARKS SERVICEABLE LIMITS -------------------------------------------------------------------------------
1. Examine the flexible shaft for damage such as:
A. Very worn or Not permitted Replace flexible shaft
broken wires (Ref. TASK 75-31-30-000-001) and (Ref. TASK 75-31-30-400-001) or (Ref. TASK 75-31-30-000-002) and (Ref. TASK 75-31-30-400-002).
B. Spacing between Not permitted Replace flexible shaft
wires (Ref. TASK 75-31-30-000-001) and (Ref. TASK 75-31-30-400-001) or (Ref. TASK 75-31-30-000-002) and (Ref. TASK 75-31-30-400-002).
Subtask 75-31-30-220-051
B. Do a dimensional check of the main and inter-connecting flexible shaft hexagonal end for wear damage as follows:
(1) Measure dimension A (accross flats). Dimension A must be 0.350 in. (8.89 mm) minimum. Replace the shaft if dimension A measures less than this minimum value (Ref. TASK 75-31-30-000-001) and (Ref. TASK 75-31-30-400-001) or (Ref. TASK 75-31-30-000-002) and (Ref. TASK 75-31-30-400-002).
F 『 EEFF : ALL E Page 60375-31-30
E E Feb 01/03 E E ECES E F 『 E C F M E E E
E 56-5B E
Inspection of the VBV Main Flexible Shaft and of the Inner Connecting Flexible
Shaft
Figure 601/TASK 75-31-30-991-309
F EEFF : ALL 『E 75-31-30 Page 604
E E Feb 01/03
E E
ECES E
F 『
E C F M E
E E
E 56-5B E
E E
(2) Measure dimension B (across hexagon corners)
PRE SB CFM56-5B 72-0119
Dimension B must be 0.370 in. (9.40 mm) minimum.
END OF PRE SB CFM56-5B 72-0119
POST SB CFM56-5B 72-0119
Dimension B must be 0.385 in. (9.78 mm) minimum.
END OF SB CFM56-5B 72-0119
Replace the shaft if dimension B measures less than this minimum value (Ref. TASK 75-31-30-000-001) and (Ref. TASK 75-31-30-400-001) or (Ref. TASK 75-31-30-000-002) and (Ref. TASK 75-31-30-400-002).
5. Close-up
________
Subtask 75-31-30-410-059
A. Close Access
(1) Make sure that the work area is clean and clear of tool(s) and other items.
(2) Install of the fan duct panels (Ref. TASK 72-23-00-400-027).
(3) Close the thrust reverser cowl doors (Ref. TASK 78-36-00-410-040): FOR 1000EM1 451AL, 452AR FOR 1000EM2 461AL, 462AR
(4) Close the fan cowl doors (Ref. TASK 71-13-00-410-040):
FOR 1000EM1
437AL, 438AR
FOR 1000EM2
447AL, 448AR
(5) Remove the access platform(s).
(6) Remove the warning notice(s).
F 『 EEFF : ALL E Page 60575-31-30
E E Feb 01/03 E E ECES E
F 『
E C F M E
E E
E 56-5B E
中国航空网 www.aero.cn
航空翻译 www.aviation.cn
本文链接地址：A320飞机维护手册 AMM AIR 空气(54)
