(h)
Make sure the steering collar (41, Detail E, Fig. 502) is less than 1/2-degree from the center.
(i)
Adjust and install the input rod for the rudder pedal steering (20, Detail B, Fig. 501) to align it with the middle hole on the rudder steering crank (22). Adjust the rod end (21), if it is necessary, to permit a loose fit of the fasteners. Tighten the nut for rod end adjustment to 150-200 pound-inches. Make sure the rollers on the steering crank for the interconnect mechanism (25, Detail E, Fig. 501) touch the clutch arm (27) with the rudder pedal steering engaged (step (1)).
NOTE: This will give you 7 degrees of rudder pedal steering.
____
(j)
Make sure the rig pins NS2 and R2 can be installed with a loose fit.
(k)
Adjust the length of the input control rod (51, Fig. 502, Detail C). Align the rod end hole with the installation hole in the input lever for the metering valve (53) on the input mechanism (Fig. 502, Detail C).
(l)
Make sure the bolt (54) can be freely installed and install the bolt (54).
(m)
Tighten the rod end jamnuts to 150-200 pound-inches.
(n)
Install lockwire.
(o)
Tighten the bolt (54).
(p)
Make sure the rig pin NS3 has a free fit.
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(5)
If you did not install new cables NWSA (9) and NWSB (8) and the tension in the cables was at least half the tension shown in Table 502, go to step (6). If you installed new cables NWSA and NWSB or the tension in the cables was less than half the tension shown in Table 502, do the ten steps that follow to pull the new cables:
(a)
Tighten the new cables to 120 |10 pounds (at 70°F) but do not lock the turnbuckles. When you tighten NWSB (8), use the cable tensioner for the steering link (28, Detail C) and the turnbuckle (3).
NOTE: Make sure the cam roller (13, View A-A, Fig. 501) is in
____ the detent position on the load limiter (14A).
(b)
Make sure the rig pins NS1, NS2, and NS3 all have a free fit.
(c)
Remove the rig pins.
WARNING: BEFORE PRESSURIZATION, MAKE SURE THE CONTROL LEVER FOR THE
_______ LANDING GEAR IS IN THE DOWN POSITION WITH THE DOWNLOCKS INSTALLED. THIS PREVENTS OPERATION OF THE LANDING GEAR WHICH CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
THE TORSION LINKS FOR THE NOSE LANDING GEAR MUST BE DISCONNECTED. IF YOU TRY TO ADJUST THE SYSTEM WITH THE TORSION LINKS CONNECTED, INJURY TO PERSONS CAN OCCUR WHEN THE NOSE WHEELS TURN QUICKLY.
(d) Make sure the control lever for the landing gear is in the down position. Make sure the torsion links for the nose landing gear (42 and 44, Detail A, Fig. 502) are disconnected and the top torsion link (44) cannot move. The top torsion link must be held parallel to the ground.
WARNING: MAKE SURE ALL PERSONS AND EQUIPMENT ARE AWAY FROM THE
_______ SYSTEM FOR NOSE WHEEL STEERING BEFORE YOU SUPPLY HYDRAULIC POWER TO THE SYSTEM. PARTS OF THE SYSTEM FOR THE NOSE WHEEL STEERING CAN TURN AND CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(e)
Pressurize the left hydraulic system (AMM 29-11-00/201).
(f)
Turn the tiller handle (31, Detail D, Fig. 501), |360 degrees through the full travel of the tiller handle for 25 full cycles.
(g)
Put the tiller indicator (32) in the center position.
(h)
Remove the pressure from the left hydraulic system
(AMM 29-11-00/201).
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(i)
Make sure the steering collar (41, Detail E, Fig. 502) is less than 1/4-degree from the center.
(j)
Install the rig pins NS1, NS2, and NS3 again.
S 825-055
(6) Adjust the tension of the cables NWSA (9) and NWSB (8) (Table 502).
NOTE: Use the cable tensioner for the steering link (28, Detail C)
____
and the turnbuckle (3) when you adjust NWSB (8).
S 495-056
(7)
Make sure all rig pins have a free fit.
S 095-057
(8)
Remove all rig pins.
S 865-058
WARNING: MAKE SURE ALL PERSONS AND EQUIPMENT ARE AWAY FROM THE SYSTEM
_______ FOR THE NOSE WHEEL STEERING BEFORE YOU SUPPLY HYDRAULIC POWER TO THE SYSTEM. PARTS OF THE SYSTEM FOR THE NOSE WHEEL STEERING CAN TURN AND CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
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本文链接地址：757 AMM 飞机维护手册 起落架 CHAPTER 32 - LANDING GEAR 3(110)
