14. MECHANISM HOUSING
15. SETSCREW 
16. DOOR 
HANDLE 
13. EXTERNAL DOOR  HOUSING 
HANDLE ASSEMBLY 
12. SHAFT ASSEMBLY 

DOOR HANDLE ASSEMBLY
(CONFIGURATION 1)

B

Internal and External Door Handles
Figure 401 (Sheet 2)

H72588
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A

747-400
MAINTENANCE MANUAL

4. PIN 
3. CAPSCREW  3. CAPSCREW 
5. INTERNAL 
6. SCREW  DOOR 
HANDLE 
11. SPACER 
PLATE 
9. CAM 
ASSEMBLY 
7. ADAPTER 
8. SHIM 
10. NUT 

18. MECHANISM HOUSING
17. RECESSED FAIRING HOUSING
20. WASHER 21. SPACER
12. SHAFT ASSEMBLY
16. ADAPTER
19. SCREW
ASSEMBLY
21. SPACER
20. WASHER
14.
 EXTERNAL DOOR HANDLE

15.
 FAIRING

13. SCREW PLATE
19. SCREW
DOOR HANDLE ASSEMBLY (CONFIGURATION 2)
C
Internal and External Door Handles Figure 401 (Sheet 3)
H72592
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

 INTERNAL AND EXTERNAL DOOR HANDLES - REMOVAL/INSTALLATION
_________________________________________________________
 1.  General
_______
 A.  This procedure is applicable to freighter airplanes only and has these tasks:
 (1)  
The removal of the internal/external door handles.

 (2)  
The installation of the internal/external door handles.

 TASK 52-13-03-024-001
 2.  Removal of the Internal/External Door Handles
_____________________________________________
 A.  Special Tools and Equipment
 (1)  
Crew Service Door Safety Barrier - 6PRE65B00040

 B.  
Standard Tools and Equipment

 (1)
Maintenance Stand (necessary to reach the crew service door).

 C.  
Access

 (1)  
Location Zone
 223 Fwd Upper Deck LH
 224 Fwd Upper Deck RH

 D.  
Procedure

 S 024-046
 (1)  
Remove the butterfly external door handle assembly (configuration 1): (Fig. 401)

 (a)  
Remove the screws (1) and cover panels (2) from the crew service door.

 (b)  
Turn the internal door handle (9) to the open position.

 (c)  
Make sure that the external door handle (13) is returned to the stowed position .

 (d)  
Move the crew service door aft.

 (e)  
Install the safety barrier 6PRE65b00040 in the doorway.

 (f)  
Remove two cotter pins (3 and 6), washers (4 and 7), and pins (5 and 8 ) from the internal door handle (9).

 (g)  
Remove the internal door handle (9) from the cam assembly (10).

 (h)  
Remove the nut (11) from the end of the shaft assembly (12).

 (i)  
Move the crew service door forward until it is almost closed.

 (j)  
Remove the external door handle assembly (13) from the mechanism housing (14) bearings.

 NOTE: If necessary, use a steel punch to remove the shaft
____ assembly (12) from the cam assembly (10).
 S 024-047
 (2)  
Remove the T-shaped external door handle assembly (configuration 2): (Fig. 401)

 (a)  
Remove the screws (1) and cover panels (2) from the crew service door.

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