S 585-037

 (3)  
Lift the nose of the airplane with the jack until the tires will not touch the ground (AMM 07-11-21/201).

 NOTE: The shock strut must be fully extended and the centering cams
____
 must be engaged.

 (a)  If it is necessary, use jacking adapter with the jack when you lift the nose of the airplane.
 S 725-089
 (4)  Make sure the rotary actuator for the rudder pedal steering goes to the disengage position in the air mode:
 NOTE: This will show that the nose ground sense relay, the nose
____ gear steering relay, and the nose air proximity switch operate correctly.
 (a)  Look to see that the index marks on the drum and the housing of the rotary actuator are aligned within 5 degrees.
 S 495-060
 (5)  
Set the turning plates that are greased below the tires of the nose landing gear.

 (a)  
Lower the airplane until the landing gear will hold the weight of the airplane.

 S 725-090
 (6)  Make sure the rotary actuator for the rudder pedal steering goes back to the engage position in the ground mode:
 NOTE: This will show that the nose ground sense relay, the nose
____ gear steering relay, and the nose air proximity switch operate correctly.
 S 035-039
 (7)  Remove the apex bolt of the torsion link.
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 32-51-00
 ALL  ú ú 02 Page 511 ú Nov 12/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
 S 985-040
 (8)  
Manually turn the steering system of the nose wheel to its left side (counterclockwise) stop.

 (a)  
Make sure the steering collar will turn 78 +1/-2 degrees from the centerline "0" to the stop.

 (b)  
Make sure the piston rods of the steering actuator (which is on the nose landing gear ) be clear the ring collar in all turn positions.

 (c)  
Make sure all the pulleys, the quadrants and the components will operate freely. 1) Make sure there is no sign of binding or galling on the

 system.
 S 985-041
 (9)  
Manually turn the steering system of the nose wheel to its right side (clockwise) stop.

 (a)  
Make sure the steering collar will turn 78 +1/-2 degrees from the centerline "0" to the stop.

 (b)  
Make sure the piston rods of the steering actuator (which is on the nose landing gear ) be clear the ring collar in all turn positions.

 (c)  
Make sure all the pulleys, the quadrants and the components will operate freely. 1) Make sure there is no sign of binding or galling on the

 system.
 S 435-042
 (10)
 Install the apex bolt of the torsion link.

 S 865-043

 (11)
 Pressurize the hydraulic system A (AMM 29-15-00/201).

 S 845-044

 (12)
 Make sure that the nose landing gear will not move when you
 pressurize the hydraulic system A.

 F.
Test Nose Wheel Steering System

 S 825-045
 (1)  
Make sure that the steering wheel is in the neutral (centered) position.

 (2)  
Make sure that the rudder pedals are in the neutral position.

 S 715-046
 NOTE: When you do steps (1) and (2), use the rigging pin holes
____ for alignment reference only. Do not leave any rigging pins installed.
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 32-51-00
 ALL  ú ú 02 Page 512 ú Nov 12/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
 S 825-047

 (3)  Turn the steering wheel (counterclockwise) to the left stop position
 and hold.
 (a) Make sure that the nose landing gear will move 78 +1/-2 degrees
 to the left side.
 S 825-048
 (4)  Release the steering wheel.
 (a) Make sure that the steering wheel will go back to its neutral
 position.
　
中國航空網 www.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：737-300 400 500 AMM 飛機維護手冊 起落架 LANDING GEAR 3(122)