(2)  
AMM 32-00-40/001, Landing Gear Control Cables -

(3)  
AMM 32-45-03/601, Wheels Fast Check (Wheel Installed on the Airplane)

 (4)  
AMM 32-45-03/601, Wheels Inspection (Wheel Removed from the Airplane)

 (5)  
AMM 32-45-04/601, Tires Inspection

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 05-51-29
 ALL  ú ú 02 Page 201 ú Oct 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

 B. Access
 (1)  Location Zone
 700 Landing Gear and Landing Gear Doors

 C. Nose Landing Gear Area, Exceeding Maximum Steering Angle
 NOTE: Refer to Towing, AMM 09-11-00/201.
____ S 202-002
 (1)  Examine the nose landing gear areas that follow:
 (a)  
The tires, do this task: Tires Inspection
 (AMM 32-45-04/601).

 (b)  
The wheels, do this task: Wheels Fast Check (Wheel Installed on the Airplane) (AMM 32-45-03/601). 1) If the examination finds any wheels damaged, do this task:

 Wheels Inspection (Wheel Removed from the Airplane) (AMM 32-45-03/601).

 (c)  
Make sure all of the fasteners are installed in the correct positions on the nose landing gear and the nose wheel well.

 (d)  
Examine the steering cable control system for signs of cable overload, do this task: Landing Gear Control Cables - Location and Part Data (AMM 32-00-40/001). 1) Verify the cable pulley brackets are not deformed. 2) Verify the proper cable rigging.

 (e)  
Examine the nose gear steering actuator rods for signs of necking, hydraulic leakage, or contact with the steering collar. 1) Verify the actuator rods are not bent or deformed.

 (f)  
Examine the actuator rod end attachments to the steering collar for signs of deformation and excessive freeplay.

 (g)  
Examine the actuator trunnion attachments to the steering plates for signs of deformation and excessive freeplay.

 (h)  
Examine the upper and lower ends of the shock strut of the nose gear for fluid leakage.

 (i)  
Examine the outer cylinder of the nose landing gear.

 (j)  
Examine the nose landing gear trunnions for signs of damage.

 (k)  
Examine the nose landing gear inner cylinder at tow fitting attach points.

 (l)  
Examine the nose gear torque links for signs of deformation and excessive freeplay.

 (m)  
Examine the nose landing gear inner cylinder torque link attach lugs.

 (n)  
Examine the nose landing gear trunnion attachment areas for signs of damage.

 (o)  
Examine the doors, hinges and retraction mechanism of the nose landing gear for signs of damage.

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 05-51-29
 ALL  ú ú 01 Page 202 ú Oct 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

 (p)  
Examine the tow fitting and inner cylinder attachment for signs of damage.

 (q)  
Operationally check the steering system by commanding slow tiller inputs in both directions. 1) Verify no system binding occurs and there is no leakage

 from steering actuator rod seals. 2) Examine the nose landing gear steering angle, AMM 32-51-00/501.
 TASK 05-51-29-202-003
 3.  Phase II Inspection
___________________
 A.  References
 (1)  
AMM 12-15-05/301, Nose Landing Gear Shock Strut Servicing

 (2)  
AMM 32-21-03/601, Nose Landing Gear Torsion Link Connection

 (3)  
AMM 32-34-00/501, Nose Landing Gear Extension and Retraction System - Functional Test (Airplane on the Jacks)

 (4)  
AMM 32-51-00/501, Nose Landing Gear Steering System -Functional Test

 (5)  
AMM 32-51-05/401, Nose Landing Gear Steering Actuator Removal

 B.  Access
 (1)  Location Zone
 700 Landing Gear and Landing Gear Doors

 C.  Nose Landing Gear Operational Check
　
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