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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL 
TOP GATE  LATCH ROD 
CONTROL ROD  LATCH AND STOP ASSEMBLY SEE G 
GUIDE TRACK LATCH ROD CONTROL ROD CONTROL ROD ASSIST HANDLE SEE A  TOP HINGE ASSEMBLY TORQUE TUBE BOTTOM HINGE HANDLE MECHANISM HINGE SUPPORT SEE SEE D B SEE F E 
HINGE SUPPORT 
BOTTOM GATE  PLATE  CHANNEL 
GUIDE ADJUSTABLE 
GUIDE TRACK 
PIN GUIDE  THESE PARTS ARE ON THE DOOR GUIDE TRACK A
Forward Entry Door Mechanism Figure 1 (Sheet 1) 

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
OUTSIDE
HANDLE SLEEVE
CONTROL ROD HOUSING
SEAL PLATE MECHANISM HOUSING HANDLE
CENTERING CAM
SHAFT LATCHING CRANK SEAL
BEARING SNAP RING
CAM ROLLERS NUT
BEARINGCAM PLATE SEE C TORQUE TUBE
BEARING
BEARING 
BEARING 
RETAINER  COCKING DOOR  NUT 
INSIDE  CONTROL ROD  CRANK 
HANDLE 
TORQUE 
TUBE 
CRANK 
____NOTE:  HANDLE IS SHOWN IN THE CLOSED 
AND LATCHED POSITION. 
HANDLE MECHANISM 
B 

PIVOT
CENTER

PATH OF LATCH CRANK
PATH OF DOOR COCKING CRANK
CAM PLATE
____THE CAM IS SHOWN IN THENOTE:
C
DOOR CLOSED AND LATCHED POSITION.
Forward Entry Door Mechanism Figure 1 (Sheet 2)
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
HINGE PIN
SHIM TOP SPIGOTHINGE
SUPPORT
BEARING ROLLER GUIDE GUIDE
ARM TRIGGER
PLATE 1 TORQUE TUBE HINGE
ARM
FUSELAGE STRUCTURE
LATCH LEVER
TOP HINGE
GUIDE ARM
D
ROLLER BUSHING
HINGE TORQUE TUBE SUPPORT
HINGE ARM COVER
HINGE
PIN
BOTTOM SPIGOT
STOP PINHINGE ARM
DOOR SNUBBER
STOP PLATE
INBD FWD
RADIUS LINK
BOTTOM HINGE
E 1
AIRPLANES WITH A TRIGGER
Forward Entry Door Mechanism
Figure 1 (Sheet 3)

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
FUSELAGE SKIN

ADJUSTABLE STOP PIN
NOTE:____  THE DOOR IS IN ITS CLOSED 
AND LATCHED POSITION 
Forward Entry Door Mechanism 
Figure 1 (Sheet 4) 

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
TORQUE TUBE 
SEE  A
TOP HINGE 
ARM 
TOP SPIGOT 
TOP SPRING 
TORQUE TUBE 
BOTTOM SPRING 

SPRING ASSIST
ASSEMBLY

A
Forward Entry Door Mechanism
Figure 2

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