(n)
Install the lockwire on the checknut and the locking device.
(o)
Apply the silicone sealant on the checknut and the locking device.
S 865-064
(14)
Put the speed brake lever in the DOWN position to lower the
spoilers.
S 865-065
(15)
Do this task: "Remove Hydraulic Power" (AMM 29-11-00/201).
S 865-066
(16)
Do this task: "Remove Electrical Power" (AMM 24-22-00/201).
I.
Adjust the Input Arm Rod Assembly
S 485-067
(1)
Install the control wheel adapter and protractor on the captain's aileron control wheel.
S 485-120
(2)
Install the straightedge across the edges of the thumbrests on the two aileron control wheels to make sure they are in the neutral position.
NOTE: One thumbrest projection can be a maximum of 0.05 inch
____
(1.27mm) away from the straightedge.
S 085-069
(3)
Remove the straightedge from the aileron control wheels.
S 835-070
(4)
Find a reference point on the trailing edge of the spoiler to make a linear measurement of the spoiler travel.
S 835-121
(5)
Adjust the input arm rod assembly on the inboard spoilers No. 5 and 8.
(a)
Put the speed brake lever in the FLIGHT position.
WARNING: DO NOT PUT A PART OF YOUR BODY BETWEEN THE SPOILER AND THE
_______ WING UNLESS THE SPOILER ACTUATOR IS LOCKED OR THE HYDRAULIC POWER IS RELEASED. THIS CAN CAUSE INJURY TO PERSONS.
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MAINTENANCE MANUAL
(b)
Open the applicable trailing edge panel and extend the flaps, or lift the spoilers to get access to the spoiler control package. 1) If you lifted the spoilers, install the spoiler actuator
locking tools or do this task: "Remove Hydraulic Power" (AMM 29-11-00/201).
(c)
Adjust the input arm rods until spoilers No. 5 and 8 are up 20 |0.5 degrees (19.3 |0.5 inches (489.7+/-12.7mm) plus the actual clearance between the spoiler and the flap).
(d)
An optional procedure is to measure the distance the adjacent corners of spoilers No. 5 and 6 or 7 and 8 are not aligned. 1) Make sure the ground spoiler hydraulic valve is correctly
adjusted (AMM 27-62-00/201). 2) Make sure that the adjacent corners of the spoilers are aligned within 0.25 inch.(6.35mm)
(e)
Tighten the checknuts on the rod assemblies.
S 865-075
(6)
Put the speed brake lever in the DOWN position.
S 835-122
(7)
Adjust the input arm rod assemblies on spoilers No. 1 thru 4 and 9 thru 12:
(a)
Make sure the speed brake quadrant touches the quadrant stop (Fig. 505).
NOTE: The quadrant must touch the stop during the full
____
adjustment procedure.
Use the auto speed brakes to move the speed brakes down from the full up position. This will make sure the quadrant will touch the stop.
(b) Turn the aileron control wheel 30-degrees counterclockwise.
NOTE: Do not turn the control wheel through the 30-degree
____ position. If you go through the 30-degree position, turn the control wheel again from the 25-degree position.
(c)
Open the applicable trailing edge panel and extend the flaps, or lift the spoilers to get access to the spoiler control package. 1) If you lifted the spoilers, install the spoiler actuator
locking tools or do this task: "Remove Hydraulic Power" (AMM 29-11-00/201).
(d)
Adjust the input arm on spoiler No. 2 until it is up 9.00 +0.00/-0.50 degrees (6.31 +0.00/-0.35 inches (160.27mm+0/-8.89mm) plus the actual clearance between the spoiler and the flap).
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本文链接地址：747-400 AMM 飞机维护手册 飞行操纵 FLIGHT CONTROLS 6(39)
