D.
Access
(1)
Location Zones
211/212 Control Cabin
E.
Procedure (Fig. 401)
S 434-030
(1)
Install the aft bearing (On-Airplane) in the control wheel, with the steps that follow:
(a)
Apply a coat of grease to the inside of the new aft bearing and install aft bearing on pinion gear.
(b)
Install forward shims on pinion gear and install pinion gear in the column housing.
(c)
Make sure that the reference (index) marks on the aft bearing/pinion gear and column housing line up.
(d)
Seat bearing inside the column housing by installing the aft shim, adapter, bolt, washers, and castellated nut.
NOTE: Align aft shim to adapter.
____
(e)
Tighten castellated nut to 50-75 pound-inches (5.7-8.5 Nm).
(f)
Remove the castellated nut, washers, bolt and adapter to make sure the aft shim stays installed on the shoulder of the pinion gear.
(g)
Install the adapter on the control wheel with the necessary bolts, washers, and nuts (3 locations). Install the bolt heads on the adapter side.
(h)
Do these steps to install the nut on the bolt in the center of the control wheel: 1) Put the washer and nut on the bolt. 2) Tighten the non-flanged castellated nut (thickness of 0.219
inch (5.6 mm) aproximately) to 50-75 pound-inches (5.7-8.4 Nm) , or the flanged castellated nut (thickness of
0.400 inch (1.0 cm) aproximately) to 95-160 pound-inches (10.7-18.0 Nm).##
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3) Make sure the slots in the nut align with the hole in the bolt.
NOTE: If it is necessary, install one or two washers to
____ make the slots align with the hole in the bolt.
4) Install the cotter pin through the nut and the bolt. 5) Make sure the cotter pin is engaged in the nut.
(i)
Install the clamps on the wire bundles (2 locations). Install the washers and the nuts that hold the clamps and the wire bundles to the control wheel.
(j)
Install the medallion on the control wheel.
NOTE: Make sure the wire bundles are not held too tightly by
____
the medallion.
(k) Turn the control wheel full right and then full left. Make sure the control wheel moves freely.
S 434-029
(2)
Install the control wheel (wire bundles disconnected) with the steps that follow:
(a)
Install the adapter on the control wheel with the necessary bolts, washers, and nuts (3 locations). Install the bolt heads on the adapter side.
(b)
Push the wires through the hole in the top of the control wheel. With the shims in position, install the adapter and the control wheel to the gear in the control column.
(c)
Do these steps to install the nut on the bolt in the center of the control wheel: 1) Measure and keep a written record of the thickness of the
nut for the control wheel. 2) Do these steps to install a nut that has a thickness of approximately 0.219 inch (5.56 mm):
NOTE: This nut does not have a flange.
____
a) Put the washer and nut on the bolt. b) Tighten the nut to 50-75 pound-inches (5.7-8.4 Nm). 3) Do these steps to install a nut that has a thickness of approximately 0.400 inch (1.0 cm):
NOTE: This nut has a flange on it.
____
a) Put the washer and nut on the bolt.
b) Tighten the nut to 95-160 pound-inches (10.7-18.0 Nm).
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(d)
(e)
(f)
(g)
(h)
(i)
(j)
(k)
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4) Make sure the slots in the nut align with the hole in the 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：757 AMM 飞机维护手册 飞行操纵 FLIGHT CONTROLS 1(82)
