G. Release electrical harness support bracket (9) from damper.
NOTE: When removing right gear torsion link, disconnect spoiler lockout teleflex cable from right gear upper torsion link (5).
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Sep 01/02 BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 32-11-51 Page 401
H. Remove bolt securing electrical harness support bracket (9) to damper (17) and move bracket clear of torsion links. Observe washer and flanged bushing (8).
I. Remove checknut (10), lockbolt (13), and lockwasher (11).
J. Unscrew apex nut (12). Remove thrust washer (14).
K. Support torsion links, remove damper attachment bolts (7) and damper bracket (6).
L. Pull out damper (17), raise upper torsion link (5) and remove apex thrust washer (15).
M. Remove nut and washer from upper torsion link pin (4A).
N. Support drag strut (1) and upper torsion link (5).
O. Remove upper torsion link pin (4A). Remove upper torsion link (5).
P. Remove nut and washer from lower torsion link pin (22).
Q. Support lower torsion link (23), remove lower torsion link pin (22). Remove lower torsion link (23).
4. Install Main Gear Torsion Links
A. Check for allowable wear; clean and lightly lubricate all attachment bolts, pins and bearing surfaces with grease, immediately before installation (Ref Inspection/Check).
B. Place a lower torsion link (23) in position to line up with holes in shock strut lugs.
C. Insert lower torsion link (22) with head inboard.
D. Add washer and nut.
(1)
Tighten nut 100 to 180 pound-feet.
(2)
Install the cotterpin..
NOTE: If necessary, you can loosen the nut to the nearest castellation (zero torque is permitted).
E. Position upper torsion link (5) to line up with holes in lower end of drag strut (1) and shock strut lugs.
F. Insert upper torsion link pin (4) with head inboard
G. Add washer and nut.
(1)
Tighten nut to 100-180 pound-feet.
(2)
Install the cotter pin.
NOTE: If necessary, you can loosen the nut to thenearest castellation (zero torque is permitted).
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32-11-51 Page 402 BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. Sep 01/02
593 Left Main Gear Torsion Links Attachment
May 20/82 Figure 401 BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 32-11-51 Page 403
J. Place apex thrust washer (15) between torsion links.
K. Check that damper (17) is full of hydraulic fluid.
L. Line up ends of torsion links and insert damper in upper torsion link (5) with shaft through apex thrust washer (15) and lower torsion link (23). Verify that apex thrust washer (15) is properly seated on shaft.
M. Install damper bracket (6) and all damper attachment bolts (7).
N. Tighten all bolts. Lockwire all bolts together.
CAUTION: CARE MUST BE TAKEN NOT TO TRAP LOCKWIRE BETWEEN TORSION LINK AND APEX THRUST WASHER.
O. Place thrust washer (14) on damper shaft with concave side against torsion link. Note key in washer engages slot in shaft.
P. Screw apex nut (12) a few turns on damper shaft with hexagon side towards thrust washer.
Q. Adjust torsion link for proper damper piston adjustment (Ref 32-11-81 A/T).
R. Place lockwasher (11) on damper shaft. Verify key in washer engages slot in shaft and washer is properly seated against torsion link.
S. Tighten apex nut (12) 400 to 500 pound-inches torque.
T. Loosen apex nut to zero torque then retighten nut finger tight. Tighten nut until next available hole in apex nut aligns with a hole in lockwasher (11).
U. Install checknut (10) and tighten to within 50 to 150 pound-inches torque.
V. Install lockbolt (13), tighten to standard torque and lockwire to checknut (10).
W. Deleted.
X. Insert flanged bushing (8) in electrical harness support bracket (9). Place washer on attachment bolt and install support bracket (9) on end of damper shaft. Tighten bolt to standard torque.
Y. Connect clamp support link (21) to underside of lower torsion link (23). Check that spacer (19) is installed between attachment lugs on torsion link (23), and that flanged bushing (20) is in position in upper end of clamp support link (21).
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Z. Connect hydraulic line support bracket (24) to lugs on upper side of lower torsion link (23).
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