ViaSat Series 8345, Руководство по установке

Страница: 20 / 76

Chapter 2 - Installation
6. Bolt the three support arms together at the center using 3/4-10 x 2 1/4-inch bolt,
washer, and nut in three places.
7. Position the azimuth ring on top of the leg support bracket and bolt in place at
the outboard holes using 3/4-10 x 2-inch bolt and washer in six places. Refer to
Figure 2-4.
8. As shown in Figure 2-4, bolt the long extension of each support arm to the
azimuth ring using 3/4-10 x 2-inch bolt, washer, and nut in three places.
9. Using the following sequence, as shown in Figure 2-5, torque all 3/4-inch
fasteners to 250 ft-lbs (333 Nm).
a. Torque the two inboard bolts of each leg juncture.
b. Torque the six outboard bolts of each leg juncture which connect the azimuth
ring to the leg junctures.
NOTE
Using a carpenters level, make sure that the azimuth ring
remains level during steps c and d.
c. Torque the two bolts at each foot.
d. Torque two bolts at the upper end of each leg.
e. First, snug all bolts in the support arms to ensure that there is no binding of the
arms at any connecting point; then torque all nine bolts in the support arms.
42S199F
2-10