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Do not drill into mortar joints! Mortar joints are in between the bricks where the
cement is. These joints are typically not strong enough to hold heavy loads. You
need to drill the holes at least one inch from the joint to provide adequate
strength. Use a standard drill with a new masonry drill bit to drill the holes. Do
not use a hammer drill because it can damage the hole or break out the back of
the concrete wall which will not give adequate support to the anchor.
Because drilling an accurate and clean hole is essential to securing your
mount, be sure to use a new drill bit. An old drill bit can not only make
an uneven hole, it can also break out the back of the concrete block
which can diminish the holding ability of the anchor.
Line up the installation template to ensure you’re not going to drill into any mortar joints.
Drill all holes 3" (76mm) deep using a 5/16" (8mm) size drill bit. Follow the directions on the
installation template carefully. The number of screws you will need will depend on how
wide you expand your mount. If you expand into or past the third expansion slot as shown
on page 12 you need to use three Lag Bolts (T), evenly spaced apart on the top and
bottom. If the mount is in the first or second expansion hole, use four lag bolts, evenly
spaced apart on the top and bottom.
This kit includes the TOGGLER
®
brand ALLIGATOR
®
Anchors (U) for mounting in
concrete walls, brick, or cinder block. These patented anchors are the finest solid wall
anchors on the market and offer excellent holding ability when properly installed.
After the holes are drilled, remove the template and place four (or six)
ALLIGATOR
®
Anchors into the concrete wall as shown in Figure 12.
Figure 12
U