ViaSat Series 8345, Installation Manual

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Chapter 2 - Installation
7. Once the clevis plates are properly set and all 5/8-inch hardware is torqued, drill
1/4-inch diameter through pilot holes in top clevis plate, torque arm, and bottom
clevis plate.
8. Install 1/4-inch diameter x 1.50-inch long steel spring pin in two places.
2.11.3 Installation of Azimuth Stabilizer Assembly
1. Refer to Figure 2-6 and perform the following to install the azimuth
stabilizer assembly:
2. Position azimuth stabilizer assembly to azimuth lead screw housing and bolt in
place using 1/4-20 screw and washer in three places.
3. Position azimuth stabilizer guide bracket to torque arm and bolt in place using
3/8-16 x 2-inch bolt, washer, and nut in two places.
NOTE
Field adjustment is required on stabilizer guide bracket at zero
azimuth angle.
4. Allow guide bracket to touch both cam followers, then push bracket into the
cam followers an additional 1/8-inch.
5. Torque fasteners.
CAUTION
Use care not to damage grease fittings during installation of
grease fittings. The grease fittings must be positioned toward
the outside of the mount.
2.11.4 Installation of Elevation Actuator
The elevation actuator is attached to the mount with pivot pins. Each
elevation actuator pivot pin is designed with grease fittings and shall be
installed on the mount with the grease fittings positioned toward the outside.
42S199F
2-22