(2)
Hold the upper torsion link (3).
(3)
Remove the retaining bolt (33) from the upper torsion link (3).
(4)
Remove the pin (31) and disconnect the upper torsion link (3) from the outer cylinder (1).
(5)
Remove the cotter pin, the nut, the washer, and the end caps (32) from retaining bolt (33A).
(6)
Hold the lower torsion link (10).
(7)
Remove the retaining bolt (33A) from the lower torsion link (10).
(8)
Remove the pin (31) and disconnect the lower torsion link (10) from the inner cylinder (6).
3. Install Torsion Links (Fig. 401)
A. Clean all bolts, pins, nuts, washers, and mating surfaces and check for allowable wear (Ref Inspection/Check). Use naphtha or an equivalent solvent.
B. Coat washers and faces of nuts with a thin coat of grease.
5B3
32-21-31 Page 402 BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. Feb 01/96
C. Position lower torsion link (10) for installation on inner cylinder (6) and insert pin (16) (detail B).
D. Place end caps on each end of torsion link pin.
E. Insert retaining bolt thru link pin and end caps. Add washer and nut and lock with cotter pin.
F. Position upper torsion link (3) for installation on outer cylinder (1) and install pin (4) (detail A).
G. Place end caps (32) on each end of torsion link pin (31).
H. Insert retaining bolt (33) thru link pin and end caps. Add washer and nut and lock with cotter pin.
I. On airplanes with SB 32-1129, do the steps below;
(1)
Align the holes on the lower torsion link (10) to the holes on the inner cylinder (6).
(2)
Install the pin (31) to connect the lower torsion link (10) to the inner cylinder (6).
(3)
Put the end cap (32) on each end of the pin (31).
(4)
Insert the retaining bolt (33) thru the pin (31) and the end cap (32).
(5)
Add the washer and the nut on one end of the retaining bolt (33).
(6)
Tighten the nut 90 to 125 pound-inches.
(7)
Align the hole in the bolt with the nut castellation and lock with the cotter pin on one end of retaining bolt (33).
(8)
Align the holes on the upper torsion link (3) to the holes on the outer cylinder (1).
(9)
Install the pin (31) to connect the upper torsion link (3) to the outer cylinder (1).
(10)
Put the end cap (32) on each end of the pin (31).
(11)
Insert the retaining bolt (33) thru the pin (31) and the end cap (32).
(12)
Add the washer and the nut on one end of the retaining bolt (33).
(13)
Tighten the nut 90 to 125 pound-inches.
(14)
Align the hole in the bolt with the nut castellation and lock with the cotter pin on one end of retaining bolt (33).
5B3
Feb 01/96 BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 32-21-31 Page 403
F61417 F61794
Nose Gear Torsion Links Installation 500
32-21-31 Page 404 Figure 401 (Sheet 1) BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. Feb 01/96
500 Nose Gear Torsion Links Installation
Feb 01/96 Figure 401 (Sheet 2) BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 32-21-31 Page 405
J. Connect piston position spring cartridge (27) to upper torsion link (3) (Detail D).
(1)
Position spring cartridge rod end (26) in upper torsion link for installation of bolt (25).
(2)
Slide washer (24) on bolt and insert bolt through torsion link and rod end.
(3)
Install wire clip (23) on bolt (25). Install wire clamp (22) on wire clip to fasten wire harness (11).
(4)
Install washer, nut, and cotter pin on bolt.
K. Connect upper and lower torsion links (detail C).
(1)
Jack nose gear axle to suitable position to connect ends of upper (3) and lower (10) torsion links.
(2)
Position thin washer (19) between ends of upper and lower torsion links.
(3) 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：737 AMM 飞机维护手册 起落架 LANDING GEAR(71)
