(b)
Disconnect the cables at the control drum (Detail A).
(c)
Put an identification tag on the cables.
(d)
Discard the used cotter pin retainers.
S 034-011
(5)
Remove the bolt that holds the top end of the spring cartridge to the piston position link (Detail A).
S 034-012
(6)
Remove the four bolts that hold the quadrant and the bracket assembly to the shock strut.
S 024-013
(7)
Remove the quadrant, link and bracket as a unit.
S 034-014
(8)
Do the steps that follow to disassemble the control drum, link and bracket assembly, if it is necessary:
(a)
Remove the nut and washer from the piston position link.
(b)
Remove the link and the spacer.
(c)
Remove the piston position shaft, washer, and control drum.
TASK 32-51-06-404-015
3. Install the Control Drum and Link for the Nose Wheel Steering (Fig. 401)
_____________________________________________________________
A. Equipment
(1)
Rig pins: Kit B20003-XX (AMM/20-10-24/201).
(a)
NS6 - P/N B20003-5
(b)
NS7 - P/N B20003-15
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(2)
Towing Lever Lockpin - A09003-1
B.
References
(1)
AMM 32-21-09/401, Nose Gear Torsion Links
(2)
AMM 32-51-00/501, Nose Wheel Steering System
C.
Access
(1)
Location Zone
711 Nose Landing Gear (NLG)
D.
Procedure
S 494-016
(1)
Make sure the rig pin NS6 is installed in the interconnect mechanism (AMM 32-51-00/501).
S 434-017
(2)
Assemble the bracket, control drum and link with the shaft, spacer, washers and nut if it is necessary (View A-A). Tighten the nut.
S 424-018
(3)
Put the control drum assembly in its position adjacent to the four holes on the aft side of the shock strut.
S 424-019
(4)
Install and tighten the four bolts (Detail A) to hold the assembly to the shock strut.
S 494-020
(5)
Put the rig pin NS7 through the control drum and the bracket (Detail A).
S 434-021
(6)
Connect the steering cables NGPPA and NGPPB to the control drum.
S 434-022
(7)
Install new cotter pin retainers on the cable ends.
S 434-023
(8)
Use the turnbuckles to tighten the cables to the tension shown in Table II (AMM 32-51-00/501).
S 094-024
(9)
Make sure you can move the rig pins NS6 and NS7 easily, then remove them.
(10)
Connect the spring cartridge to the link.
S 434-025
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S 824-040
(11)
Make sure the free length position is 17.20+/-0.01 inches for -1 and -2 cartridges, or 16.51+/-0.01 inches for -3 cartridges. Measure between the centerlines of the rod ends of the spring cartridge. If it is necessary, use the procedure in (AMM 32-51-08/401) to adjust the free length of the spring cartridge.
S 434-027
(12)
Examine the rod end to make sure it is engaged correctly.
S 434-028
(13)
Tighten the lock nut for the spring cartridge to 175 |25 pound-inches.
S 434-029
(14)
Install the lockwire.
S 714-030
(15)
Do a test of the operation of the rudder pedal disconnect for the nose wheel steering system (AMM 32-51-00/501).
S 824-031
(16)
Make sure the cable tension is not changed and tighten the cables if it is necessary.
S 434-032
(17)
Install the lock clips on the cable turnbuckle.
S 434-048
(18)
Connect the upper to the lower torsion links at the apex joint (AMM 32-21-09/401)
(19)
With the steering collar in the center position, remove the towing lever lockpin.
S 864-036
(20)
Make sure the towing lever moves to the NORMAL position.
S 094-035
CAUTION:_______ MAKE SURE THE STEERING COLLAR IS ACCURATELY IN THE CENTER
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