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• When installing Peerless mounts on concrete, verify that you have a minimum of 1 5/8" of actual concrete surface in
the 1/4" diameter hole to be used for the concrete anchors. Do not drill into mortar joints! Concrete must meet ASTM
C-90 specifications.
• Concrete must be 2000 psi density minimum. Lighter density concrete may not hold concrete anchor.
• Make sure that the supporting surface will safely support the combined load of the equipment and all attached hard-
ware and components.
• Never exceed the Maximum UL Load Capacity of 50 lb (27 kg).
Installation to Concrete Ceilings
ACC 203 (Alligator
®
Drill two 1/4" (6 mm) dia. holes to a minimum depth of
2.5" (64 mm). Attach ceiling plate (G) using two
concrete anchors and #14 x 2.5" wood screws (F) as
shown in Illustration A and 1, 2, and 3 (below).
Tighten all fasteners.
IMPORTANT: It is the responsibility of the installer
to verify that the ceiling will safely support the
combined load of all attached hardware and
components.
WARNING
• Tighten wood screws so that ceiling plate is firmly
attached, but do not overtighten. Overtightening can
damage the screws, greatly reducing their holding
power.
• Never tighten in excess of 80 in • lb (9 N.M.).
• Make sure that mounting screws are anchored into the
center of the studs. The use of an "edge to edge" stud
finder is highly recommended.
1
Drill hole and insert anchor
2
Place ceiling plate over anchor and secure with screw
3
After repeating step one tighten all fasteners
Visit the Peerless Web Site at www.peerlessmounts.com
concrete anchors) are recommended.
concrete
ceiling
concrete
anchor
G
concrete
F
anchor
concrete
F
anchor
WARNING
concrete
anchor
• FOR DIRECT ATTACHMENT TO LOAD BEARING
CONCRETE ONLY! Concrete expansion anchors are
not intended for attachment to concrete ceilings
covered with a layer of plaster, drywall, or other
finishing material. If mounting to concrete ceiling
covered with plaster / drywall is unavoidable, plaster /
drywall must be counterbored as shown below.
metal
bracket
4 of 8
CONCRETE CEILING
G
F
Illustration A
WARNING
INCORRECT
concrete
plaster/
dry wall
ISSUED: 11-01-06 SHEET #: 055-9478-6 01-14-09
For customer care call 1-800-729-0307 or 708-865-8870.
CORRECT
metal
bracket
concrete
plaster/
dry wall
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