C.
Access
(1)
Location Zone
113 Area Forward of NLG Wheel Well (Left)
114 Area Forward of NLG Wheel Well (Right)
211 Control Cabin (Left)
212 Control Cabin (Right)
711 Nose Landing Gear (NLG)
D.
Procedure
S 494-019
(1) Make sure the rig pins R2, NS1, NS3, NS5 and NS7 are installed (AMM 32-51-00/501).
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S 434-020
(2)
On the bench, assemble the interconnect mechanism assembly. It has the parts that follow (View AA, Fig. 401):
(a)
The shaft
(b)
The eccentric drum
(c)
The eccentric arm
(d)
The steering quadrant
(e)
The clutch arm
(f)
Springs
(g)
Spacers
(h)
A retaining nut
(i)
A lock washer.
S 424-021
(3)
Put the steering interconnect assembly between the top and lower brackets that hold it, and install the bolt through the center (Detail A, Fig. 401).
S 494-022
(4)
Install the rig pin NS2 into the top bracket and the steering quadrant (Detail A, Figure 401).
S 494-023
(5)
Install the rig pin NS6 into the eccentric drum (Detail B, Figure 401).
S 434-024
(6)
Connect the steering cables NGPPA and NGPPB to the eccentric drum but do not tighten.
S 434-025
(7)
Install new cotter pins to hold the cable and retainers in their positions.
S 434-026
(8)
Attach the cable guard for the eccentric drum to the lower bracket with the two bolts (Detail A, Fig. 401).
S 434-027
(9)
Connect the ends of the NWSB steering cable to the steering quadrant but do not tighten.
S 434-028
(10)
Install new cotter pins to hold the cable and retainers in their positions.
S 434-029
(11)
Connect the steering arm to the left forward quadrant and the jackshaft assembly.
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S 824-030
(12)
Adjust the steering arm until the rigging pins R2 and NS2 are loose.
S 434-031
(13)
Connect the control rod to the eccentric arm.
S 824-032
(14)
Adjust the control rod with the rigging pins NS2, R2, and NS6 installed. The pins must be free to move. This does not include NS6. Possibly NS6 will be tight because there is a load on the springs.
S 434-033
(15)
Use the turnbuckles to tighten the cables NGPPA and NGPPB to the tension shown in Table II (AMM 32-51-00/501).
S 494-034
(16)
Make sure you can remove the rig pins NS6 and NS7 easily with the conditions that follow:
(a)
Tension on the cables
(b)
The piston position quadrant against the "gear extended" stop.
S 434-035
(17)
Tighten the cables NWSA and NWSB to the tension shown in Table I (AMM 32-51-00/501). Use the turnbuckles and the cable tensioner on the interconnect mechanism assembly to do this.
S 494-036
(18)
Make sure you can remove the rig pins R2, NS1, NS2, NS3 and NS5 easily with tension on the cables.
S 094-037
(19)
Remove all the rig pins.
S 434-038
(20)
Install the lock clips for the cable turnbuckles.
S 434-039
(21)
Install lockwire on the cable tensioner on the interconnect mechanism quadrant.
S 434-040
(22)
Connect the spring cartridge to the top torsion link (Detail A, Fig. 402).
(23)
Do a test of the nose wheel steering (AMM 32-51-00/501).
S 734-041
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S 434-042
(24)
After the system test, make sure the cable tension is correct and has not changed, and tighten again if it is necessary.
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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(123)
