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时间:2011-04-11 08:58来源:蓝天飞行翻译 作者:航空
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BETWEEN ADJACENT FLAPS AND BETWEEN FLAPS
AND ADJACENT STRUCTURE MUST NOT BE LARGER THAN:

FORWARD FACING MISMATCH:

0.04 FOR 75% OF SEAL LENGTH
0.06 FOR 25% OF SEAL LENGTH
AFT FACING MISMATCH:
0.04 FOR 75% OF SEAL LENGTH
0.09 FOR 25% OF SEAL LENGTH
ADJUST THE SEAL TO GET A SMOOTH SEAL DEPRESSION AS SHOWN.
MEASURE THE PROFILE IN LINE WITH ACTUATOR LINKAGE AT A POINT 3.0 INCHES AFT OF FLAP LEADING EDGE. THE FLAP PROFILE TO BE AS FOLLOWS (WITH A NEGATIVE PROFILE, THE FLAP BENDS IN AS SHOWN):
+0.01 TO -0.05 INCH (FLAPS NO. 1E THRU 9, 18 THRU 26E) +0.05 TO -0.05 INCH (FLAPS NO. 10 AND 17)

DIMENSIONS X AND Y ARE PERPENDICULAR DISTANCES FROM THE LOWER LEADING EDGE CHORD TO THE PIVOT POINT G.
FLAP CAVITY SEALS NOT INSTALLED ON WING STRUCTURE AFT OF FLAP PANELS NO. 5, 7, 20 AND 22.
MEASUREMENT IS TAKEN WITH EROSION SHIELD MOLDINGS BONDED IN THE FLAP ASSEMBLY. THE DIFFERENCE (WITH FLAPS RETRACTED) BETWEEN THE FLAP AND THE WING STRUCTURE MUST NOT BE LARGER THAN:
0.02 INCH FOR 75% OF SEAL LENGTH
0.04 INCH FOR 25% OF SEAL LENGTH
Variable Camber Flaps Gap and Mismatch Requirements
Figure 501 (Sheet 1)

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A
747-400
MAINTENANCE MANUAL


Variable Camber Flaps Gap and Mismatch Requirements
Figure 501 (Sheet 2)

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A
747-400
MAINTENANCE MANUAL


0.15 |0.05 INCH
FLAPS NO. 10 AND 17:
D-D
0.15 |0.25/-0.05 INCH AT INBD END, BECOME SLOWLY THINNER TO
0.15 |0.05 INCH AT OUTBD END
SEAL DEPRESSION

FLAP CAVITY AFT SEAL
G-G
F-F
Variable Camber Flaps Gap and Mismatch Requirements Figure 501 (Sheet 3)
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MAINTENANCE MANUAL

 

 

NOTE:____  ON LANDING GEARS AND WITHOUT FUEL. MEASUREMENT IS TAKEN WITH AIRPLANE  C-C  OUTBD 
Krueger Flaps Gap and Mismatch Requirements Figure 502 (Sheet 1) 


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A
747-400
MAINTENANCE MANUAL

WING LEADING EDGE
E
CLEARANCE
STRUCTURE INDICATOR PIN
0.10
INCH
0.04  RETRACT
RETRACT STOP BOLT
STOP
E
SEE  A 
KRUEGER 
FLAP  STOP BOLT 
BRACKET 
SEE  B  C  WASHERS  ACTUATOR ARM ON ROTARY 
D-D  E-E 

SHIM
1
0.09 |0.03
2 1
INCH
A B
0.04 INCH
KRUEGER KRUEGER FLAP
MAXIMUM FLAP
0.05 INCH MAXIMUM
6-INCH 6-INCH
STRAIGHTEDGE STRAIGHTEDGE
1.75
INCHES  1.75
1.25  INCHES
1.25
POSITIVE CONTOUR AT FLAP LINKAGE
NEGATIVE CONTOUR AT FLAP LINKAGES
CC
Krueger Flaps Gap and Mismatch Requirements Figure 502 (Sheet 2)
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