S 866-006
(10)
Release the pressure in hydraulic systems No. 1 and 4 (Ref
29-11-00/201).
S 866-008
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A
747-400
MAINTENANCE MANUAL
SEE A
MIDFLAP
CARRIAGE
1.
BEARING/CARRIAGE
2.
BEARING/CARRIAGE A
Inboard Flap Carriage Wear LimitsFigure 601 (Sheet 1)
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747-400
MAINTENANCE MANUAL
DESIGN LIMITS WEAR LIMITS
NO. PART NAME DIM.INDEX DIAMETER (mm) INCHES MAXIMUM (mm) MINIMUM INCHES WEAR (mm) INCHES DIMENSION PERMITTED (mm) INCHES CLEARANCE DIAMETER MAXIMUM
REPLACE WORN PART REPAIR WORN PART INSTR REPAIR
X 1
X X 3 2
X 2
BEARING ID (114.30) 4.5000 (114.33) 4.5015 (114.43) 4.5055
CARRIAGE BEARING ID OD (114.26) 4.4985 1.7495 (44.43) (44.48) 1.7515 (114.28) 4.4995 (114.14) 4.4940 (44.67) 1.7590
1.7430 1.7480 1.7385
CARRIAGE OD (44.27) (44.39) (44.15)
0.006
1
(0.15)
0.011
2
(0.28)
REPLACE THE PART WHEN IT IS WORN BEYOND THE PERMITTED WEAR LIMITS OR WHEN THE RADIAL PLAY IS MORE THAN 0.020 INCH (0.50 mm) OR THE AXIAL PLAY IS MORE THAN 0.100 INCH (2.54 mm) BETWEEN THE RACES.
THE WORN PART IS REPAIRABLE, REFER TO THE OVERHAUL MANUAL.
REPLACE WHEN THE PART IS WORN BEYOND THE PERMITTED WEAR LIMITS OR WHEN THE RADIAL OR THE AXIAL PLAY BETWEEN THE RACES IS MORE THAN 0.009 INCH (0.23 mm).
Inboard Flap Carriage Wear Limits
Figure 601 (Sheet 2)
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ú Feb 18/01
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747-400
MAINTENANCE MANUAL
MIDFLAP
FAIL SAFE
LINK
CARRIAGE
BOLT/NUT
FITTING
FLAP TRACK
Inboard Flap Carriage Inspection
Figure 602
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747-400 MAINTENANCE MANUAL
INBOARD FOREFLAP CARRIAGE AND TOGGLE - REMOVAL/INSTALLATION
___________________________________________________________
1. General_______
A. There are two tasks in this procedure. There is one task for the removal and one task for the installation of an inboard foreflap carriage and toggle. The procedure has these parts:
(1)
The extension of the flaps
(2)
The installation of supports for the foreflap
(3)
The removal of the foreflap carriage and toggle
(4)
The installation of the foreflap carriage and toggle
(5)
The removal of the foreflap supports
(6)
The retraction of the flaps.
TASK 27-51-24-004-001
2. Inboard Foreflap Carriage and Toggle Removal____________________________________________
A. References
(1)
27-51-02/401, Inboard Foreflap
(2)
29-11-00/201, Main Hydraulic Supply System
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