(2)  
AMM 20-21-03/601, Control Cables - Inspection/Check

 (3)  
AMM 25-59-01/401, Main Deck Compartment Cargo Lining Panel

 (4)  
AMM 32-00-40/001, Landing Gear Control Cables

 (5)  
AMM 32-21-03/601, Control Cables

 (6)  
IPC 32-51-51 Fig. 1

 B.  
Access

 (1)  
Location Zone 115 Area Between Nose Gear Wheel Well and Fuselage, LH 117 Electrical & Electronics Compartment, LH 211 Passenger Cabin - Nose to First Door, LH 212 Passenger Cabin - Nose to First Door, RH 221 Control Cabin, LH 222 Control Cabin, RH 715 Nose Landing Gear

 C.  
Prepare for Inspection

 S 866-005
 WARNING:_______THE FLIGHT COMPARTMENT SEAT MUST BE DISCONNECTED. FAILURE TO DISCONNECT THE SEAT CAN CAUSE AN ACCIDENTAL OPERATION OF THE FLIGHT COMPARTMENT SEAT. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (1)  
Open these circuit breakers and attach DO-NOT-CLOSE tags:

 (a)  
P414 Main Power Distribution Panel
 1) 414D08 CAPT PWR SEAT

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747-400
MAINTENANCE MANUAL

Landing Gear Steering System Control Path Inspection
Figure 601 (Sheet 1)

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747-400
MAINTENANCE MANUAL

FWD
TILLER HANDLE (CAPTAIN'S)
PIN 
GUARD  SIDEWALL 
PANEL 
STEERING 
ROD 
QUADRANT 
NWS1A  A 
STEERING 
CRANK 
CLUTCH ARM 
INTERCONNECT 
LEVER 
RUDDER PEDAL 
INTERCONNECT ACTUATOR NO. 2  INTERCONNECT RUDDER PEDAL 
RUDDER PEDAL ACTUATOR NO. 1 
STEERING 
MECHANISM 
FORWARD PASSENGER CABIN 
B 
Landing Gear Steering System Control Path Inspection 
Figure 601 (Sheet 2) 

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747-400
MAINTENANCE MANUAL

CABLE DRUM ASSEMBLY (REF)
NWS1A NWS1B
FWD  COMPENSATOR CABLE 
NWS2B NWS2A C PIVOT LINKS CABLE COMPENSATOR MECHANISM  (19 PLACES) BOLTS RETAINER COVER 
COVER 
ASSEMBLY VALVE METERING 
STEERING CABLES (2 LOCATIONS)  UPPER SUPPORT PLATE STEERING CYLINDER 

CYLINDER STEERING RIGHT 
LEVER SUMMING 
ROD CONNECTING  FWD 
COVER SUPPORT BRACKET 
CYLINDER STEERING LEFT  D 
Landing Gear  Steering System Control Path Inspection Figure 601 (Sheet 3) 

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A 747-400 MAINTENANCE MANUAL
 (b)  P415 Main Power Distribution Panel 1) 415H32 F/O PWR SEAT
 (2)  S 016-002Remove the sidewall panels from the left and right side of the control cabin below the steering tillers.
 (3)  S 016-020Remove the left sidewall lining in the passenger cabin which is found forward of the first door (AMM 25-59-01/401).
 (4)  S 016-004Remove the forward floor panel in the electrical and electronics compartment.
　
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