S 414-036
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A 747-400 MAINTENANCE MANUAL
 (6)  S 414-037Install the hinge flaps forward of the hinge links (Ref 52-11-14/401).
 (7)  S 414-063Install the lining on the side of the doorway (AMM 25-59-01/401).

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A
747-400 MAINTENANCE MANUAL
 MAIN ENTRY DOOR TORQUE TUBE - MAINTENANCE PRACTICES
___________________________________________________
 1.  General_______
 A. This procedure contains these tasks:
 (1)
The removal of the torque tube on entry door 1,

 (2)
The installation of the torque tube on entry door 1

 (3)
The removal of the torque tube on the entry door 5

 (4)
The installation of the torque tube on the entry door 5

 (5)  
The repair of the lower coupling on the torque tube on all entry doors.

 TASK 52-11-12-002-044
 2.  Main Entry Door 1 Torque Tube Removal (Fig. 201)_____________________________________
 A. References
 (1)
AMM 52-11-02/401, Main Entry Door Lining and Insulation

 B.
Access

 (1)  
Location Zone
 211 Main Deck Portal to Sta 488, LH

 (2)  
Access Panel
 831L Door - No. 1 Main Entry, LH

 C.
Prepare for Removal

 S 012-002
 (1)
Remove the door lining (AMM 52-11-02/401).

 D.
Procedure

 S 862-005
 WARNING: YOU MUST BE VERY CAREFUL TO PREVENT THE MOVEMENT OF THE
_______ INTERNAL OR EXTERNAL DOOR HANDLE. IF YOU MOVE THE HANDLE, THE DOOR CAN ACCIDENTALLY OPEN. THIS CAN CAUSE INJURY TO PERSONS AND DAMAGE TO THE DOOR AND STRUCTURE.
 (1) Make sure the door is closed and latched.
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747-400
MAINTENANCE MANUAL

TORQUE TUBE
SEE A FOR DOOR 1SEE C
FOR DOOR 5
Main Entry Door Torque Tube
Figure 201 (Sheet 1)

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D13414
A
747-400
MAINTENANCE MANUAL

HOUSING HINGE UPPER  UPPER SHAFT 
UPPER ADJUSTING NUT 
LOCKWASHER 
SPACER 
PLATE BEARING 
UPPER SHAFT  BOLT COUPLING 
PUSHROD  SEE CRANK COCKING  B  SPACER  LOCKWASHER ADJUSTING NUT LOWER 
BEARING PLATE  COUPLING UPPER 
UPPER AND LOWER COUPLINGS 
SHAFT LOWER SHAFT  BOLT COUPLING  1 SADDLE CLAMP COUPLING LOWER  1CLAMP 
HINGE ARM LOWER  SHAFT LOWER  GROOVE  1 STRIP FILLER 
TORQUE TUBE (DOOR 1)  B 
A 
1  IF THERE IS A CRACK IN THE LOWER COUPLING HALF, TEMPORARILY USE THE CLAMP, CLAMP SADDLE, AND FILLER STRIP TO MAKE THE LOWER COUPLING HALF STRONGER.
Main Entry Door Torque Tube Figure 201 (Sheet 2) 

D13418
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