(2)  
Lubricate the handle mechanism as shown (Fig. 301).

 S 843-011

 (3)  
Put the door in a serviceable condition.

 S 643-010
 (a)  Install the plate on the handle mechanism.
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A

737-300/400/500
MAINTENANCE MANUAL

LATCH TORQUE
TUBE BEARING

SEE G GATE HINGE
SEE A
LATCH ROLLER
GATE PUSHROD
(4 LOCATIONS) SEE H
SEE B
LATCH CRANK BEARING ACTUATING (4 LOCATIONS) PUSHROD ENDS
SEE B
SEE K

HINGE GUIDE PLATE
INTERNAL HANDLE MECHANISM SEE C
SEE J UPPER HINGE LINK
EXTERNAL
SEE L HANDLE MECHANISM
SEE I HINGE GUIDE ARM
SEE D
LOWER HINGE LINK
SEE M
FORWARD SNUBBER ACTUATING ROD END PUSHROD END
SEE F SEE K LOWER HINGE ASSEMBLY LATCH TORQUE
SEE ETUBE BEARING
SEE G
ACTUATING
PUSHROD END
GATE HINGE

SEE K
SEE A

LATCH TORQUE FWD GATE PUSHROD TUBE BEARING
SEEH SEEG
Aft Entry Door Lubrication
Figure 301 (Sheet 1)

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A

737-300/400/500
MAINTENANCE MANUAL

GATE HINGE
MIL-L-7870
(1 LOCATION)

GATE HINGE
1 POINT

A1
LATCH CRANK BEARING
FLUSH
MIL-G-23827
LATCH ROLLER
(1 LOCATION)
FLUSH

MIL-G-23827 (1 LOCATION)
LATCH CRANK
BEARING

FLUSH
MIL-G-23827
(1 LOCATION)

LATCH CRANK AND ROLLER LATCH CRANK AND ROLLER 2 POINTS 1 POINT
B22A  B22B
1  THE UPPER GATE HINGE IS SHOWN. THE 2A AIRPLANES WITH A LUBRICATION FITTING LOWER GATE HINGE IS THE SAME ON THE LATCH ROLLER.
2 THERE ARE FOUR LATCH CRANKS ON THE DOOR 2B  AIRPLANES WITHOUT A LUBRICATION FITTING ON THE LATCH ROLLER.
Aft Entry Door Lubrication Figure 301 (Sheet 2)
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL

IS NOT SHOWN.
HINGE GUIDE PLATE

Aft Entry Door Lubrication
Figure 301 (Sheet 3)

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 ú  Mar 15/98 

BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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

Aft Entry Door Lubrication
Figure 301 (Sheet 4)

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 ú  01  Page 306
 ú  Mar 15/98 

BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

737-300/400/500
MAINTENANCE MANUAL

LATCH TORQUE 
TUBE BEARING 
FLUSH 
MIL-G-23827 
(1 LOCATION) 
LATCH TORQUE TUBE BEARING 
1 POINT 
G  3 
GATE PUSHROD 
END BEARING 
FLUSH 
MIL-G-23827 
(1 LOCATION) 

GATE PUSHROD 
3  BEARINGS ON THE DOOR THERE ARE FOUR TORQUE TUBE  1 POINT 
　
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