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747-400 MAINTENANCE MANUAL
J. Do a Check On and Adjust Miscellaneous Items
S 975-072
(1)
Measure the distance at the locations shown in Table I (Fig. 503, Section E-E).
S 825-073
(2)
If the distance is out of the tolerance, adjust the tie rods on the trailing edge panels.
NOTE: The wing lower trailing edge panels will bend when
____
the tie rods are adjusted.
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747-400
MAINTENANCE MANUAL
~............................................................................... | | The Distance, Inches (mm) The Lower Trailing Edge Panel | | | Can Be Misaligned With The Midflap Lower Surface, With | | | The Flaps Retracted (Fig. 503, Section E-E) | | ...........................................................
| | |Between The Flap | |
| | At The Midflap |Tracks(Center Panel)| At The Midflap |
| Airplane | Inboard End |(Inboard Panel Out- | Outboard End |
| Load | (Inboard Panel |board End)(Outboard | (Outboard Panel |
| Condition | Inboard End) |Panel Inboard End) | Outboard End) |
................................................................................. | Wing In Jig Position| -0.06 to +0.06 | -0.06 to +0.06 | -0.06 to +0.06 | | On Jacks I thru VIII| (-1.5 to +1.5) | (-1.5 to +1.5) |(-1.5 to +1.5) | ................................................................................. | On Jacks I, II & | +0.12 to +0.50 | -0.04 to +0.08 | -0.06 to +0.06 | | III | (+3.0 to +12.7) | (-1.0 to +2.0) | (-1.5 to +1.5) | | | *[2] | *[2] | *[2] | ................................................................................. | On Gear, Main Wing | +0.68 to +1.50 | -0.02 to +0.10 | -0.04 to +0.40 | | Fuel Tanks Empty [1]| (+17.2 to +38.1) | (-0.51 to +2.5) | (-1.0 to +10.0) | | | *[2] | *[2] | *[2] | ................................................................................. | On Gear, Main Wing | +1.42 to +2.80 | 0.00 to +0.12 | -0.06 to +0.80 | | Fuel Tanks Full *[1]| (+36.1 to +71.1) | (0.00 to +3.0) | (-1.5 to +20.0) | | | *[2] | *[2] | *[2] | 2.....................…..................…....................….................1
NOTE:____ The plus (+) sign shows that the midflap lower surface is above the trailing edge panel lower surface.
The minus (-) sign shows that the midflap lower surface is below the
_____ trailing edge panel lower surface.
*[1] USE LINEAR INTERPOLATION TO CALCULATE THE DISTANCE FOR FUEL LOADS OTHER THAN THOSE SHOWN.
*[2] USE LINEAR INTERPOLATION TO CALCULATE THE DISTANCE AT LOCATIONS OTHER THAN THOSE SHOWN BETWEEN THE FLAP TRACKS AND MIDFLAP ENDS.
LOWER TRAILING EDGE PANEL RIGGING TABLE I
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747-400
MAINTENANCE MANUAL
FLIGHT TOGGLE ROLLERS
ROLLER (3 LOCATIONS)
A-A
Inboard Flap Adjustment
Figure 503 (Sheet 1)
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747-400 MAINTENANCE MANUAL
FORE FLAP
MIDFLAP HOOK
CARRIAGE SUPPORT BEARING MIDFLAP FRAME
B
B
SEE C CARRIAGE
LINK AFT CARRIAGE
AND TOGGLE
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