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A
747-400 MAINTENANCE MANUAL
WIRE BUNDLE RETRACTION MECHANISM
YOU DID NOT CHANGE THE RETRACTION MECHANISM AND THE RETRACTION MECHANISM OPERATES SMOOTHLY.
Main Entry Door 5 Interfacing Figure 401
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52-11-09
ALL ú ú 01 Page 403 ú Oct 10/91
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A
747-400
MAINTENANCE MANUAL
UPPER GATE EMERGENCY
PUSHROD POWER CHAIN BODY
TORQUE
TUBE
9. UPPER
HINGE STOP FITTING ROD
COVER A END
10. BOLT
7. WASHER
(2 LOCATIONS)
A
7. WASHER (11 LOCATIONS) UPPER HINGE ACTUATOR DOOR
6. BOLT SEE B ROD
(8 LOCATIONS) EMERGENCY
TORQUE TUBE POWER CHAIN
COVER SEE A
(IF INSTALLED) DOOR TORQUE TUBE
2. WASHER SEE D
(10 LOCATIONS)
1. BOLT LOWER HINGE EMERGENCY POWER CHAIN
(8 LOCATIONS) SEE C
A
3. BOLT 11. BOLT
2. WASHER 2. WASHER
4. LOWER HINGE
COVER
LOWER GATE
PUSHROD GUIDE
PLATE
17. BOLT
16. NUT
15. WASHER (TOP)
14. WASHER (BOTTOM) B
13. UPPER
CHAIN SPROCKET ACTUATOR ROD END ARM HINGE B BELLCRANK
LINK
12. GUIDE ARM
BODY TORQUE
TUBE
TORQUE GUIDE ARM
TUBE STOP FITTING
8. BOLT
INCH0.07 0.03 WASHER
DOOR HINGE (2 LOCATIONS)
A-A HOUSING UPPER HINGE
B
Main Entry Door 5 Removal/Installaton
Figure 402 (Sheet 1)
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747-400
MAINTENANCE MANUAL
BODY TORQUE TUBE
LOWER FUSELAGE
BEARING STRUCTURE
PLATE
22. BOLT
21. WASHER (TOP)
20. WASHER (BOTTOM) HINGE 19. NUT
LINK
18. LOWER HINGE ARM
BEARING
13. UPPER
PLATE
HINGE EMERGENCY POWER
ARM TRIGGER AND OVERCENTER SPRING
LOWER HINGE C
28. SHIMS
25. GUIDE ARM ROLLER PIN 31 MAXIMUM) (4 MAXIMUM, 2 TORQUE TUBE DOOR COUPLING BOLT
GUIDE PLATE 27. BUSHING
(EXAMPLE) 26. LOCKBOLT 4 BEARING
30. NUT PLATE
ADJUSTMENTSLEEVE BELLCRANK NUTLINK
24. SCREW
12. GUIDE
29. TAPER ARM23. WASHERS (ELBOW) PUSHROD
(NOT ON ALL 0.01 INCH
SEALANT PIN
1
AIRPLANES) MINIMUM CLEARANCE
B-B
1 THE TAPER IS INSTALLED WITH THE TAPER UPWARD
2 INSTALL SHIMS ON THE UPPER SIDE OF THE BELLCRANK LINK
COCKING
INSTALL SHIM AS NECESSARY TO PUT THE GUIDE ARM ROLLER
3
CRANK
PIN (25) IN THE CENTER BETWEEN THE GUIDE PLATES AND GET THE CORRECT CLEARANCE BETWEEN THE GUIDE ARM AND THE LOWER
HINGE TORQUE TUBE
FACE OF THE BELLCRANK LINK.
4
INSTALL THE LOCKBOLT THE WITH HEAD AFT WHEN YOU CLOSE D
THE DOOR.
Main Entry Door 5 Removal/Installation Figure 402 (Sheet 2)
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A 747-400 MAINTENANCE MANUAL
(3) S 014-010Remove the upper and lower hinge covers (4,9).
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