52-11-00
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
BOLT
HINGE ARM
COVER
SHIM
15. ROD END5. TOP GUIDE PLATE
 BEARING
4. PIN
3. SPRING CLIP
7. BOLT
BUSHING FOR THE RADIUS LINK
6. RADIUS LINK
8. THRUST WASHER
16. FITTING2. HINGE ARM
9. LATCH PIN
17. HINGE SUPPORT
 (IN THE DOOR)

14. GUIDE TRIGGER ARM
LATCH LEVER
SEAL 6. RADIUS
1. GUIDE ARM
 LINK
 BOLT

TORQUE 5. BOTTOM TUBE
GUIDE PLATE
13. 0-RING
 12. WASHER
 11. SPRING
10. TOP SPIGOT
TOP HINGE ASSEMBLY
B
Forward Entry Door Installation
Figure 401 (Sheet 4)

A07702
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 (d)  
Remove the bolts that hold the fitting (25) to the support (26).

 (e)  
Remove the snubber and the radius link (21) from the door.

 NOTE: The snubber is attached to the radius link.
____
 S 034-008-B00
 (5)  
Remove the guide arm (14) from the top hinge.

 (a)  
Make a mark on the top spigot and the hinge arm to show how they align.

 NOTE: This will make the subsequent installation easier.
____
 (b)  
Loosen the bolt that holds the top spigot to the guide arm.

 (c)  
Remove the top spigot (10), the spring (11), the washer (12), the O-ring (13), and the thrust washer (8).

 (d)  
Remove the four bolts that hold the fitting (16) to the structure.

 (e)  
Pull the guide arm from between the guide plates (5).

 NOTE: The fitting is attached to the guide arm.
 S 014-009-B00
 (6)  
Move the top and the bottom hinge arms away from the structure.

 S 024-010-B00

 (7)  
Remove the door.

 NOTE: The forward entry door weighs approximately 180 pounds.
____ The door can be lifted from above with a strap attached through the top middle lightening holes of the door inner skin.
 S 014-011-B00
 (8)  If you will not install the door again, remove and keep these parts:
 NOTE: You will use these parts to install a new door.
____
 (a)  
The covers on the hinge arms

 (b)  
The stop pins with the locksprings

 (c)  
The door seal (AMM 52-09-13/401).

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 ALL  ú ú B01 Page 406 ú Mar 12/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 S 494-012-B00
 (9)  Put the safety barrier across the door opening.
 TASK 52-11-00-404-013-B00
 3. Forward Entry Door Installation
_______________________________
 A. Consumable Materials
 (1)  
D00013 Grease - MIL-G-23827

 (2)  
C00174 Compound - Corrosion Preventive, MIL-C-16173

 (3)  
C00259 Primer - BMS 10-11, Type 1

 (4)  
G00009 Compound - Corrosion Inhibiting, BMS 3-23

 B.
Standard Tools and Equipment

 (1)
A wood block satisfactory to hold the door weight of 180 pounds

 C.
References

 (1)  
AMM 25-61-35/201, Escape Slide Assembly (Door-Mounted)

 (2)  
SRM 51-20-01, Corrosion Inhibiting Compound

 (3)  
AMM 52-09-13/401, Bulb-Type Mechanical Seals

 (4)  
AMM 52-11-31/401, Forward Entry Door Lining and Insulation

 (5)  
AMM 52-11-41/401, Forward Entry Door Assist Spring

 D.
Access

 (1)  
Location Zone
 105 Forward Entry Door
　
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