(4)  
Remove electrical power (AMM 24-22-00/201).

 S 862-013
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A
747-400 MAINTENANCE MANUAL
 BODY GEAR STEERING ACTUATORS AND YOKE ASSEMBLY - REMOVAL/INSTALLATION
_____________________________________________________________________
 1.  General_______
 A.  This procedure removes and installs the steering actuators and the yoke of the body landing gear.
 TASK 32-53-11-004-001
 2.  Body Gear Steering Actuators and Yoke Assembly Removal______________________________________________________
 A.  References
 (1)  
AMM 09-11-00/201, Towing

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

 (3)  
AMM 32-00-30/201, Landing Gear Door Locks

 (4)  
AIPC 32-13-14 Fig. 1

 (5)  
AIPC 32-41-00 Fig. 10

 (6)  
AIPC 32-53-11 Fig. 1

 (7)  
AIPC 32-61-61 Fig. 1

 (8)  
SSM 32-53-01, SSM 32-53-02

 (9)  
WDM 32-53-12, WDM 32-53-13

 B.  
Access

 (1)  
Location Zone
 755 Body Landing Gear, LH
 765 Body Landing Gear, RH

 C.  
Prepare for Removal (Fig. 401)

 S 494-002
 (1)  Make sure that you install the ground locks of the landing gear (AMM 09-11-00/201).
 S 494-003
 WARNING: REFER TO AMM 32-00-30/201 FOR THE LOCK INSTALLATION PROCEDURE.
_______ THE DOORS CAN CLOSE QUICKLY IF YOU DO NOT INSTALL THE DOOR LOCKS CORRECTLY. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (2)  
Install the door locks of the main landing gear (AMM 32-00-30/201).

 S 864-004

 (3)  
Open the circuit breakers as follows:

 (a)  
P7 Overhead Circuit Breaker Panel
 1) 7F25, PSEU SECT 1

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A
747-400
MAINTENANCE MANUAL

SEE A
RIGHT BODY GEAR
B

STEERING 
ACTUATOR 
HYDRAULIC  SEE  B 
LINES 
ELECTRICAL
CONDUIT 
BRACKET 
HYDRAULIC 
BRACKET 
ELECTRIC 
FLEX CONDUIT 
TILT ACTUATOR 
HYDRAULIC LINES 
F 

F A
ELECTRICAL CONNECTOR
A
CLAMPS
FWD
ELECTRICAL CONDUIT
APEX BRACKET
SPINDLE
LEFT BODY GEAR
A
Body Gear Steering Actuator - Bracket and Clamp Installation
Figure 401 (Sheet 1)

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A
747-400 MAINTENANCE MANUAL
1. ELECTRICAL

D-D
Body Gear Steering Actuator - Bracket and Clamp Installation Figure 401 (Sheet 2)
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A
747-400
MAINTENANCE MANUAL

2.55
13. HYDRAULIC
13. HYDRAULIC INCHES BRACKET BRACKET
　
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