52-11-05
 ALL  ú ú 01 Page 401 ú Jun 18/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

 (3)  
DOORS 2 AND 4; AIPC 53-12-81, Fig. 1, AIPC 53-21-81, Fig. 1, AIPC 52-11-05, Fig. 3

 (4)  
DOOR 3;
 AIPC 52-11-05, Fig. 4

 (5)  
DOOR 5;
 AIPC 52-11-05, Fig. 4

 C.
Access

 (1)  
Location Zone
 211 Passenger Cabin, Nose to First Door, LH
 212 Passenger Cabin, Nose to First Door, RH
 231 Passenger Cabin, First to Second Door, LH
 232 Passenger Cabin, First to Second Door, RH
 241 Passenger Cabin, Second to Third Door, LH
 242 Passenger Cabin, Second to Third Door, RH
 251 Passenger Cabin, Third to Fourth Door, LH
 252 Passenger Cabin, Third to Fourth Door, RH
 271 Passenger Cabin, Sta 2040 to Sta 2360, LH
 272 Passenger Cabin, Sta 2040 to Sta 2360, RH

 (2)  
Access Panel
 211AL Panel, Access - Door Maintenance (Door 1, LH)
 212AR Panel, Access - Door Maintenance (Door 1, RH)
 231AL Panel, Access - Door Maintenance (Door 2, LH)
 232AR Panel, Access - Door Maintenance (Door 2, RH)
 241AL Panel, Access - Door Maintenance (Door 3, LH)
 242AR Panel, Access - Door Maintenance (Door 3, RH)
 251AL Panel, Access - Door Maintenance (Door 4, LH)
 252AR Panel, Access - Door Maintenance (Door 4, RH)
 271AL Panel, Access - Door Maintenance (Door 5, LH)
 272AR Panel, Access - Door Maintenance (Door 5, RH)
 831L Door - No. 1 Main Entry, LH
 841R Door - No. 1 Main Entry, RH
 832L Door - No. 2 Main Entry, LH
 842R Door - No. 2 Main Entry, RH
 833L Door - No. 3 Main Entry, LH
 843R Door - No. 3 Main Entry, RH
 834L Door - No. 4 Main Entry, LH
 844R Door - No. 4 Main Entry, RH
 835L Door - No. 5 Main Entry, LH
 845R Door - No. 5 Main Entry, RH

 D.
Procedure (Fig. 401)

 (1)  
Close the entry door.

 (2)  
Put the mode selector lever in MANUAL/DISARM.

 (3)  
Install the lockout pin on the mode selector lever.

 S 414-002
 S 864-003
 S 494-004
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 52-11-05
 ALL  ú ú 01 Page 402 ú Oct 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

RESERVOIR
BODY TORQUE
TUBE

SEE A
SPRING CARTRIDGE
2. DOOR MAINTENANCE  SEE B ACCESS PANEL
1. BOLT (16 PLACES) PRESSURE
LINE FWD
BODY TORQUE TUBE
CHAIN BODY TORQUE TUBE
CHAIN
ACTUATOR SEE C
DOORS 1, 2, 4
FWD SEE C
ACTUATOR
A
PRESSURE LINE
RESERVOIR
SPRING
CARTRIDGE

SEE B
FWD
DOORS 3 AND 5
A

Main Entry Door Actuator and Chain Installation Figure 401 (Sheet 1)
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 52-11-05
 ALL  ú ú 02 Page 403 ú Jun 10/88
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
RESERVOIR TIE-DOWN LINK (2 PLACES)
TO ACTUATOR
RESERVOIR CABLE TERMINAL
TOGGLE LEVER
SAFETY PIN
SPRING CARTRIDGE
FLOOR LEVEL RESERVOIR INSTALLATION
B
SAFETY PIN
RESERVOIR
RIG PIN MOUNTING PIN
HOLE TO
ACTUATOR TOGGLE LEVER
2
RESERVOIR
MOUNTING PIN
SPRING  1 
CARTRIDGE CABLE 
TERMINAL 
LOCKWIRE  OVERHEAD RESERVOIR 
INSTALLATION 
TOGGLE  CABLE  B 
LEVER  TERMINAL 

1 SHOWN WITH SAFETY PIN INSTALLED AND LOCKWIRE REMOVED
2 SHOWN WITH SAFETY PIN REMOVED AND LOCKWIRE INSTALLED
Main Entry Door Actuator and Chain Installation
Figure 401 (Sheet 2)

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