ETS-Lindgren 2187 Turntable - Manual (Page 22)

22 | Assembly and Installation
4. Once tension is placed on all three wrenches, drill a 5/32-in hole through
the counter-sunk holes in the floor flange. Drill completely through the
panel and place screws into the holes.
5. Continue working around the floor flange, completing two or three holes
at a time.
Make sure that a 1/4-in gap between the turntable top and the mounted brush
ring be held as close as possible so that the grounding brushes seat properly.
Also, make sure the flange ends are flush with each other.
6. Continue mounting until all screws are installed. Some screws may fall
between the floor panel joints. Try to position the flanges, making sure as
few screws hit these points as possible, and making sure that the first or
last hole in the flange is not too close to one of these joints. Trim the top
floor joint strips to fit up against the flange.
Floor Flange Installation in a Concrete Pit
Installing in a concrete pit is the same as a paneled floor, with the exception of
the mounting hardware. Instead of the #14 x 1-in square socket flat head screws,
use 1/4 x 1.75-in Phillips flat head concrete anchors.
These tools are required for the next stage of installation:
• 1/2-in hammer drill
• 3/16 x 3.5-in hammer drill bit, at minimum
• Vacuum to clean inside the drilled holes for maximum thread
engagement
When drilling holes, be aware of buried conduit and pit drainpipes. Drill 3/16-in
holes, two inches minimum depth.