52-13-41
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
SEE A  AFT ENTRY DOOR  HINGE ARM DOOR SKIN 
HINGE LINK 
SLEEVE 
GUIDE ARM 
TORQUE TUBE 
SLEEVE  BOLT, WASHER, NUT (8 LOCATIONS) 
HINGE LINK HINGE PIN SEE B  RADIUS LINK 
SNUBBER 
FWD 
A Aft Entry Door Structure Torque Tube Installation Figure 401 (Sheet 1)  INBD 

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 52-13-41
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A 737-300/400/500MAINTENANCE MANUAL

Aft Entry Door Structure Torque Tube Installation
Figure 401 (Sheet 2)

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F61169
A
737-300/400/500MAINTENANCE MANUAL
 (b)  Remove the hinge pin and hinge link from the airplane.
 S 034-022-B00
 (6)  
Do these steps to remove the upper hinge pin:

 (a)  
Remove the hinge pin bolt.

 NOTE: When the hinge pin is removed the hinge pin may fall to
____ the lower hinge cutout.
 (b)  
Remove the hinge link and hinge pin from the airplane.

 (c)  
Put a layer of grease on the hinge pins.

 (d)  
Put a layer of grease on the sleeves.

 (e)  
Put a layer of grease on the torque tube.

 TASK 52-13-41-524-023-B00
 3. Aft Entry Door Torque Tube Installation (Fig. 401)
_______________________________________
 A. Consumable Materials
 (1)  
D00015 Grease - BMS 3-24 (AMM 20-30-21)

 (2)  
C00528 Corrosion Preventive Compound - MIL-C-16173 (AMM 20-30-21)

 (3)  
A00247 Sealant - BMS 5-95

 B.
References

 (1)  
AMM 51-31-00/201, Seals and Sealing - Maintenance Practices

 (2)  
AMM 52-13-00/401, Aft Entry Door

 (3)  
SOPM 20-30-03, Solvent Cleaning

 (4)  
SOPM 20-50-03, Bearing Removal, Installation and Retention

 (5)  
SOPM 20-50-07, Lubrication

 C.
Access

 (1)  
Location Zone
 110 Aft Entry Door

 D.
Procedure

 S 114-026-B00
 (1)  
Clean the hinge pin fittings and the body torque tube components (SOPM 20-30-03).

 S 644-007-B00

 (2)  
Lubricate the parts.

 (a)  
Put a layer of grease on the hinge pins.

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A
737-300/400/500MAINTENANCE MANUAL
 (b)  
Put a layer of grease on the sleeves.

 (c)  
Put a layer of grease on the torque tube.

 S 424-024-B00
 (3)  
Do these steps to install the lower hinge link and hinge pin in the airplane:

 (a)  
Make sure the lower bearing will rotate in the stop plate.

 (b)  
If the lower bearing does not rotate in the stop plate, do these steps: 1) Remove the stop plate and the bearing from the lower hinge

 cutout. 2) If the bearing is worn or damaged, replace the bearing.
 Install the new bearing with sealant (SOPM 20-50-03). 3) Install the stop plate and bearing in the hinge cutout. 4) Make sure the bearing is free to rotate. 5) If the bearing is not free to rotate, remove the stop plate
 and chamfer the lower edge of the hinge housing 0.040 X 45 degrees to get bearing clearance. 6) Install the stop plate and bearing in the hinge cutout and make sure the bearing is free to rotate.
　
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