(10)
Tighten the nut 540 to 600 pound-inches.
NOTE: Loosen and tighten the nut to 120 to 280 pound-inches again.
____
S 432-031
(11)
Put the side plates (4) between the strut and the spindle with the side strut end in its position.
S 432-032
(12)
Install the lubrication insert (7), the O-rings (8), and the spindle bolt (9), the washer (10) and the nut (2) as shown in Fig. 201.
S 432-057
(13)
Align the spindle bolt with the anti-rotation quality on the lower side strut.
S 432-033
(14)
Install three bolts with the washers, the side plates (4), the roller (3), the link (5) and the pushrod end (6).
S 432-034
(15)
Install the washers and the nuts.
(a)
Tighten the two top nuts of 36 to 60 pound-inches and install the cotter pins.
NOTE: You will remove and install the bolt that attaches the
____ side plates (4) to the link (5) and the pushrod (6) during the adjustment.
S 432-035
(16)
Tighten the nut (2) 40 to 50 pound-feet and back off the nut (2) to install the cross bolt (1), the washer and the nut.
S 222-036
(17)
Move the wing landing gear down and locked with the truck at 51 degrees, and 45 minutes.
(a)
Examine the dimension C between the spring housing and the pushrod nut is 0.03 |0.01 inch with the nut in the housing.
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747-400 MAINTENANCE MANUAL
S 822-037
(18)
If the dimension is not in the tolerance, disconnect the pushrod end
(6)
from the link (5).
NOTE: Adjust the rod end to get the correct dimension.
____
S 432-038
(19)
Connect the top rod end to the link (5) with the bolt through the link (5) and the side plates (4).
(a)
Tighten the nut 36 to 60 pound-inches and install the cotter pin.
S 432-039
(20)
Tighten the locknut of the top rod end 36 to 60 pound-inches and install the lockwire.
S 822-040
(21)
Connect the lever (18) to the rod end (17).
(a) Pull the hook down to decrease loose.
(b) Examine the dimension B is 0.12 (|0.01) inch.
NOTE:____ If it is not in the tolerance, adjust it as follows:
(c) Disconnect the lever and adjust the lower rod to get the
necessary the dimension.
(d) Install the bolt that connects the lever (18) to the rod end
(17).
(e) Tighten the nut 36 to 60 pound-inches and install the cotter
pin.
(f) Tighten the locknut of the lower rod end 36 to 60 pound-inches
and install the lockwire.
NOTE:____ Make sure you install the lock tabs correctly.
S 092-041
(22)
Remove the ground lock from the gear that you do the adjustment on.
S 222-042
(23)
Retract the gear that you adjusted.
(a)
Examine the clearance between the link (5) and the striker in the clevis of the side strut.
NOTE:____The clearance has a minimum of 0.05 inch. If it is less than the minimum, do the adjustment again.
S 862-043
(24) Extend the retracted gear to the down and the locked position.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
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ALL ú ú 01 Page 208 ú Jun 10/95
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
S 862-044
(25) Lower the airplane and remove the jacks (AMM 07-11-01/201).
S 092-053
WARNING: YOU MUST CAREFULLY DO THE STEPS IN THE TASK BELOW TO REMOVE THE
_______ DOOR LOCKS FROM THE LANDING GEAR DOORS. THE DOORS CAN CLOSE QUICKLY IF YOU DO NOT REMOVE THE DOOR LOCKS CORRECTLY. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
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本文链接地址：747-400 AMM 飞机维护手册 起落架 LANDING GEAR 1(146)
