215620
57
Revision A
3.6
Installing Anti-Shimmy Dampeners
Anti-shimmy dampeners prevent the caster wheels from moving rapidly.
1.
Retrieve the anti-shimmy dampener shocks and hardware
from the toolbox.
$
%
&
'
Figure 3.30: Anti-Shimmy System
–
Left Side
2.
Attach the barrel end of anti-shimmy dampener (A) to the
forward hole in support (B) with one M16 x 75 flange head
bolt (C) and one M16 lock nut (D). Install the bolt from
under the support. Do
NOT
fully tighten the hardware yet.
$
%
&
'
Figure 3.31: Anti-Shimmy System
–
Left Side
3.
Attach the barrel end of second anti-shimmy dampener (A)
to support (B) at the aft hole location with one M16 x 90
flange head bolt and M16 lock nut (C). Install the bolt from
under the support. Do
NOT
fully tighten the hardware yet.
4.
Rotate the caster so that arm (D) is aligned with the
walking beam.
$
&
%
'
Figure 3.32: Anti-Shimmy System
–
Left Side
5.
Attach the rod ends of the anti-shimmy dampeners to the
arm with M16 x 90 flange head bolt (A) and three hardened
washers (B).
NOTE:
Washers (B) are stamped with
“
L9
”
.
6.
Torque bolt (A) to 244 Nm (180 lbf·ft).
7.
Install jam nut (C) and torque nut (C) to 138 Nm (102 lbf·ft).
8.
Tighten bolts (D) at the barrel end of the anti-shimmy
dampeners, and torque the nuts on bolts (D) to 138 Nm
(102 lbf·ft).
IMPORTANT:
Keep the arm parallel to the walking beam while tightening
the hardware. Do
NOT
overtighten the hardware.