INSTRUCTIONS: Cut on solid lines only. Follow the numbers; complete each cut before starting the next. For example, cut 1 to 1' then 2 to 2'. Make circular cuts in counterclockwise direction. For initial cut at 1, make slot with cold chisel. Cut complete circles at 5, 6, and 9.
When installing guard, overlap the cut edge to the dashed line. Three guards can be cut from an 8-foot X 3-foot piece fo sheet metal.
Figure 4. Construction details for a conical sheet metal predator guard.