TM 55-1520-240-23-9
11-145
ADJUST PITCH, ROLL OR YAW SPRING ASSEMBLY (AVIM)
(Continued)
11-145
5.
Remove cotter pin (6), nut (7), washer (8), piston
(9), and shims (10), from rod (5). If spring force
is high, remove shims as required. If spring force
is low, add shims as required.
NOTE
One shim changes spring force as
follows:
PITCH
ROLL
YAW
0.42
pounds
0.31
pounds
0.94
pounds
6.
Install shims (10), piston (9), washer (8), and nut
(7). Torque nut to 25 to 35 inch-pounds. Install
an AN960-416(L) washer (8.1) between washer
(8) and nut (9) as required to align cotter pin,
install cotter pin (6).
INSPECT
7.
Install rod (5), spring (11), inward in housing (2).
Antiseize thread compound (E75) can
form toxic vapors if exposed to flame.
Use only with adequate ventilation,
away from open flame. In case of
contact, immediately flush skin or eyes
with water for at least 15 minutes.
Get medical attention for eyes.
8.
Apply a thin coat of antiseize thread compound
(E75) to threads of cap (4). Use gloves (E184.1).
Install cap (4) on housing (2). Torque cap to 135
inch-pounds.
INSPECT
9.
Remove housing (2) from vise (3).
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