G.
Put the Airplane in its Usual Position

 S 414-028
 (1)  
Connect the torsion links of the nose gear at the top
 (AMM 32-21-03/201).

 S 414-029

 (2)  
Install the ceiling panel in the forward passenger cabin.

 S 864-033

 (3)
Remove the DO-NOT-CLOSE tags and close these circuit breakers:

 (a)  
P180 DC Power Distribution Panel
 1) 180H8 ELEV/RUD VLV SYS 1
 2) 180E7 ELEV/RUD VLV SYS 2
 3) 180H23 ELEV/RUD VLV SYS 3
 4) 180E22 ELEV/RUD VLV SYS 4

 (b)  
P7 Overhead CIrcuit Breaker Panel
 1) 7G23 BODY GR STRG ARM AC
 2) 7G24 BODY GR STRG ARM DC

 S 094-030
 WARNING:_______REFER TO AMM 32-00-30/201 FOR THE LOCK REMOVAL PROCEDURE. THE FAST MOVEMENT OF THE DOORS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (4)  
Remove the nose and the door locks of the main gear.

 (5)  
Remove the system No. 1 hydraulic power (AMM 29-11-00/201).

 S 864-032

 (6)  
Remove the electrical power if it is not necessary
 (AMM 24-22-00/201).

 S 864-031
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 32-51-02
 ALL  ú ú 01 Page 407 ú Oct 10/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 RUDDER PEDAL STEERING INDICATOR SWITCH - REMOVAL/INSTALLATION
_____________________________________________________________
 1.  General_______
 A. This procedure has two tasks:
 (1)  
The removal of the indicator switch of the rudder pedal steering.

 (2)  
The installation of the indicator switch of the rudder pedal steering.

 TASK 32-51-03-004-002
 2.  Rudder Pedal Steering Indicator Switch Removal (Fig. 401)______________________________________________
 A. References
 (1)  
AMM 24-22-00/201, Manual Control

 (2)  
IPC 32-51-61 Fig. 1

 (3)  
WDM 32-51-11

 B.
Access

 (1)  
Location Zone
 211 Forward Passenger Cabin, LH

 C.
Prepare for the Removal

 S 044-001
 (1)  
Remove the electrical power (AMM 24-22-00/201).

 S 014-003

 (2)  
Remove the second center ceiling panel, aft in Zone A.

 D.
Remove the Indicator Switch

 S 034-004
 (1)  
Remove the screws that attach the electrical connectors to the indicator switch.

 (a)  
Disconnect the electrical connectors from the indicator switch.

 S 034-005
 (2)  
Remove the screws, the nuts, and the washers that attach the indicator switch to the bracket assembly.

 (a)
Remove the indicator switch from the bracket assembly.

 TASK 32-51-03-404-006
 3.  Rudder Pedal Steering Indicator Switch Installation (Fig. 401)___________________________________________________
 A. References
 (1)  
AMM 24-22-00/201, Manual Control

 (2)  
AMM 29-11-00/201, Main Hydraulic Supply System

 (3)  
IPC 32-51-61 Fig. 1

 (4)  
WDM 32-51-11

 B.
Access

 (1)  
Location Zone
 211 Forward Passenger Cabin, LH

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 32-51-03
 ALL  ú ú 01 Page 401 ú Oct 18/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 C. Install the Indicator Switch
 S 424-007
 (1)  
Position the indicator switch to the bracket assembly and install the indicator switch.

 (a)  
Install the screw, the washer, and the nut that attach the indicator switch to the bracket assembly.
　
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