RCA DIRECTV, Руководство по установке

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Chapter 2 19
Mounting the Mast
No Yes
Step 7: Make sure that the top of the mast is plumb (pointing
straight up).
4. Remove the foot and drill eight 1/2" holes in the locations you marked using a
specialty masonry drill bit.
5. Insert four B4015 or equivalent double-expansion anchors.
6. Use a wrench to loosen the nuts on the mounting foot so you can rotate the mast
to access both of the center mounting holes.
7. Hold the mounting foot over the holes so the top part of the mast will rotate and
point straight up (see Chapter 3 for more information on how to use the mast to
make sure the mast is plumb and level).
8. Insert and tighten the machine screws.
9. Go to the next section, “Final Installation,” to complete the installation process.