747-400 AMM 飞机维护手册 舱门 DOORS 2(9)

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PLATE
PORTAL LATCH FITTING
LATCHES 9-10 (LEFT AND RIGHT) AND 11 LATCHES 3 AND 6A-A (LEFT AND RIGHT)
NOTE: EXAMPLE OF STOP PIN INSTALLATION
B-B
AT FITTINGS 3L,3R,6L AND 6R.
Portal Latch Fitting Adjustment Figure 503 (Sheet 1)
0.005 INCH MINIMUM TO MAXIMUM OBTAINED BY MATCHING FIRST LOCK GROOVE
DOOR FITTING
B26817
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747-400
MAINTENANCE MANUAL

D-D
Portal Latch Fitting Adjustment Figure 503 (Sheet 2)
B26820
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747-400
MAINTENANCE MANUAL

NYLON RUB STRIP (ON SUPPORT BEAM)  LINEAR ACTUATOR (2 LOCATIONS) 
DRIVE UNIT SEE A  FLEXIBLE DRIVE SHAFT  SUPPORT BEAM  DRIVE COUPLING  FWD  LINEAR ACTUATOR AFT END SEE B 
CONNECTOR ELECTRICAL AC POWER 
DC POWER CONNECTOR ELECTRICAL 
DRIVE UNIT 
DRIVE SHAFT FLEXIBLE 
LINEAR ACTUATOR AFT END A FWD SHAFT COUPLING FLEXIBLE DRIVE (2 LOCATIONS) 

Linear Actuator and Drive Unit Adjustment
Figure 504 (Sheet 1)

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B26847
A
747-400
MAINTENANCE MANUAL

MAKES AN OPERLAP 0.25 TO 0.75 INCH
DOOR IN THE CLOSED AND LATCHED POSITION

B
Linear Actuator and Drive Unit Adjustment
Figure 504 (Sheet 2)

B26852
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MAINTENANCE MANUAL

Adjustable Fairing Skin Adjustment
Figure 505

K61997
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A

747-400 MAINTENANCE MANUAL HINGE  A 
SEAL  HINGE ACCESS CLEARANCE DOOR 
A 

DOOR
DIMENSION A 1
BODY SKIN
SEE A
ADJUSTABLE ROD DOOR STOP
1
LOCKNUT LOCKWIRE
BRACKET (ATTACHED TO AIRPLANE STRUCTURE)
(DOOR IN THE OPEN POSITION)
LIFT THE DOOR WITH
A-A
CLEARANCE
20 TO 30 POUNDS FORCE
0.15 |0.03 INCH
(38.1 |7.76 mm)
DOOR  DOOR
0.01 INCH +0.06/-0.03 INCH
2
(0.25 mm)
(+1.52/-0.76 mm) MAXIMUM
FLUSHNESS
PRE-LOADING REQUIREMENTS FIT AND FAIR REQUIREMENTS
(DOOR IS IN THE CLOSED POSITION)
(DOOR IS IN THE CLOSED POSITION) A
A
1 ONE TURN OF THE ADJUSTABLE ROD CHANGES DIMENSION APPROXIMATELY 0.5 INCH (12.7 mm).
3 FOR FAIR TOLERANCE A NEGATIVE VALUE IS INSET TO THE FUSELAGE STRUCTURE. A 2
MAKE SURE THE DOOR LIFTS NOT MORE THAN POSITIVE VALUE IS OUTBOARD FROM THE
0.01 INCH (0.25 mm) FROM DOOR STOP WITH FUSELAGE STRUCTURE.
A 20 TO 30 POUND FORCE.

Hinge Access Clearance Door Adjustment
Figure 506

C16667
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