RCA Satellite TV Antenna - Manual (Page 22)

18 Mounting the Mast
Installing a Spacer
When the mounting foot spans two pieces of siding, it should be
positioned so most of the foot is on the top board. A spacer should be
installed to help hold the bottom of mounting foot in place. The spacer
can be made of either solid wood or plastic.
spacer
lap board
Mounting the Mast on Solid Wood
5/16" x 3" Lag Screws
(For Sony Dish Installations
use (2) 3" x 1/4" Lag Screws)
5/16" x 2" Lag Screws
5/16" x 2" Lag Screws
Steps 8 & 9: Inserting the lag screws.
8. Install two 5/16" x 3" lag screws into the two center holes on the
mounting foot. Securely tighten the screws.
9. Put washers on the 5/16" x 2" lag screws, insert the screws into
the four outside holes and securely tighten them.
10. Go on to the next section, “Final Installation,” to complete the
installation process.