S 824-017
(2)
Look in the inspection hole to make sure the threads are correctly engaged. You must see threads in at least half of the hole.
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(3) S 434-018Tighten the rod end locknut.
(4) S 434-019Install lockwire on the rod end locknut.
(5) S 424-020Connect the lower end of the spring cartridge to the top torsion link with the bolt.
(6) S 434-021Connect the spring cartridge to the control quadrant link with the bolt.
(7) S 494-022Make sure you can install the rig pin NS7 easily with the spring cartridge installed.
(8) S 094-023Remove the rig pin NS7.
(9) S 714-024Do a test of the operation of the rudder pedal disconnect part of the nose wheel steering (AMM 32-51-00/501).
S 434-044
(10) Connect the upper torsion link to the lower torsion link at the apex joint (AMM 32-21-09/401).
S 094-027
CAUTION: MAKE SURE THE STEERING COLLAR IS ACCURATELY IN THE CENTER
_______ BEFORE YOU REMOVE THE TOWING LEVER LOCKPIN. THE UPPER TORSION LINK AND STEERING COLLAR WILL MOVE QUICKLY TO THE CENTER WHEN YOU REMOVE THE TOWING LEVER LOCKPIN, IF THE STEERING COLLAR WAS NOT PUT IN THE CENTER CORRECTLY. INJURY TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR.
(11)
Make sure the steering collar is accurately in the center.
S 094-028
(12)
Remove the towing lever lockpin.
S 864-029
(13)
Make sure the towing lever moves to the NORMAL position.
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NOSE WHEEL STEERING SUMMING MECHANISM - REMOVAL/INSTALLATION
____________________________________________________________
1. General_______
A. This procedure contains two tasks. The first task removes the summing mechanism for the nose wheel steering. The second task installs the summing mechanism.
TASK 32-51-09-004-001
2. Remove the Summing Mechanism for the Nose Wheel Steering (Fig. 401)________________________________________________________
A. Equipment
(1)
Towing Lever Lockpin - A09003-1
(2)
Rig Pins: Kit B20003-XX (AMM 20-10-24/201).
(a)
NS1 - P/N B20003-20
(b)
NS2 - P/N B20003-24
B.
References
(1)
AMM 29-11-00/201, Pressurize/Depressurize Main Hydraulic Systems
(2)
AMM 32-00-20/201, Landing Gear Downlocks
(3)
AMM 32-21-09/401, Nose Gear Torsion Links
(4)
AMM 32-51-00/501, Nose Wheel Steering System
(5)
AMM 32-51-12/401, Nose Wheel Steering Metering Valve
C.
Access
(1)
Location Zone
711 Nose Landing Gear (NLG)
D.
Equipment
(1)
Towing Lever Lockpin - A09003-1
(2)
Rig Pins: Kit B20003-XX (AMM 20-10-24/201).
(a)
NS1 - P/N B20003-20
(b)
NS2 - P/N B20003-24
E.
Prepare for the Removal
S 494-003
(1)
Make sure the downlocks are installed on the nose and main landing gear (AMM 32-00-20/201).
S 864-004
(2)
Make sure the pressure is removed from the left hydraulic system and reservoir (AMM 29-11-00/201).
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SEE A
SEE B
BRACKET FOR THE METERING VALVE MODULE
RIGHT SUMMING LEVER
RIGHT COMPENSATOR LINK
HI-LOK BOLT AND BEARING
LEFT COMPENSATOR LINK
BOLT AND BUSHING (2 LOCATIONS)
SUMMING
MECHANISM
COVER
SCREW
(18 LOCATIONS)
A
UPPER TORSION LINK
TOWING
LEVER
SEE C
NWSA LOWER
TORSION
LINK
STEERING COLLAR
NWSB
LEFT
SUMMING
CABLE
LEVER
COMPENSATOR
SHAFT
B
Nose Wheel Steering Summing Mechanism and Cable Compensator Installation
Figure 401 (Sheet 1)
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