-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
71-00-00-710-006 Minimum Idle Check 71-13-00-010-040 Opening of the Fan Cowl Doors 71-13-00-410-040 Closing of the Fan Cowl Doors 72-63-00-400-002 Installation of the Handcranking Drive Cover 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 80-11-10-400-002 Installation of the Pneumatic Starter 72-31-00-991-311 Fig. 803 72-31-00-991-312 Fig. 804 72-31-00-991-313 Fig. 805 72-31-00-991-314 Fig. 806
3. Job Set-up
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Subtask 72-31-00-941-057
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).
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Subtask 72-31-00-010-064
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 an access platform in position.
Subtask 72-31-00-040-055
C. Make the thrust reverser unserviceable (Ref. TASK 78-30-00-481-041).
Subtask 72-31-00-010-065
D. Open the thrust reverser doors: (Ref. TASK 78-36-00-010-040)
FOR 1000EM1
451AL, 452AR
FOR 1000EM2
461AL, 462AR
4. Procedure
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(Ref. Fig. 803/TASK 72-31-00-991-311, 804/TASK 72-31-00-991-312, 805/TASK 72-31-00-991-313, 806/TASK 72-31-00-991-314)
Subtask 72-31-00-220-050
A. Blending Limits
_____________________________________________________________________________ INSPECT/CHECK MAXIMUM BLENDABLE LIMITS _____________________________________________________________________________
(1) Tears, nicks, dents, missing material
and erosion on the leading and trailing
edge of stages 1-4 compressor blade found
in Dim. B of the airfoil.
R NOTE: Blend repair of the leading and trailing edges can not extend into the R lower 25 percent of the airfoil length. NOTE: More than one blend in the same area is permitted if the total material removed from the initial contour is not more than the limit that can be
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_____________________________________________________________________________ INSPECT/CHECK MAXIMUM BLENDABLE LIMITS _____________________________________________________________________________ repaired.
(a) No maximum number of blended damage Maximum depth is 0.060 in. areas. (1.52 mm) after you blend.
(2) Tears, nicks, dents, missing material and erosion on the leading and trailing edge of stages 1-4 compressor blade found in Dim. A.
NOTE: More than one blend in the same area is permitted if the total material removed from the initial contour is not more than the limit that can be
repaired.
(a) No maximum number of blended damage areas.
(b) No maximum number of dents.
(c) No maximum number of missing tip corners.
(3) Tears, nicks, dents, missing material and erosion on the leading and trailing edge of stages 5-9 compressor blade found in dimension Dim. B of the airfoil.
(a) No maximum number of blended damage areas.
(4) Tears, nicks, dents, missing material and erosion on the leading and trailing edge of stages 5-9 compressor blade found in area Dim. A.
Maximum blended area is 0.30
0.30 in. (7.6 x 7.6 mm) after you blend.
Maximum depth is 0.080 in.
(2.03 mm). Maximum deflection from initial contour is 0.080 in.
(2.03 mm).
Maximum depth is 0.300 in.
(7.62 mm).
Maximum length is 0.300 in.
(7.62 mm).
Maximum blended area is 0.30 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 ENGINE 发动机 2(27)
