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Installation to Solid Concrete
• 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.
3
Use ceiling plate (A) as a template to mark holes.
Drill four 1/4" (6 mm) dia. holes to a minimum depth
of 2.5" (64 mm). Insert four anchors (G) in holes
flush with ceiling as shown in figure 3.1.
Place ceiling plate (A) over anchors (G) and secure
with #14 x 2.5" (6 mm x 65 mm) wood screws (B).
Tighten wood screws (B) using 3/8" (10 mm) socket
wrench to firmly attach ceiling plate (A).
See figures 3.2 and 3.3.
WARNING
• Always attach concrete anchors directly to load-bearing
concrete.
• Never attach concrete anchors to concrete covered with
plaster, drywall, or other finishing material. If mounting
to concrete surfaces covered with a finishing surface is
unavoidable, the finishing surface must be counterbored
as shown below. Be sure concrete anchors do not pull
away from concrete when tightening screws. If plaster/
drywall is thicker than 5/8", custom fasteners must be
supplied by installer. (Not evaluated by UL)
WARNING
• Tighten screws so that ceiling plate is firmly attached,
but do not overtighten. Overtightening can damage
screws, greatly reducing their holding power.
• Never tighten in excess of 80 in. • lb (9 N.M.).
INCORRECT
ceiling
plate
plaster/
dry wall
Visit the Peerless Web Site at www.peerlessmounts.com
WARNING
ceiling
concrete
plate
CORRECT
plaster/
dry wall
fig. 3.1
Drill holes and insert anchors (G).
fig. 3.2
Place ceiling plate (A) over anchors (G) and secure with
screws (B).
fig. 3.3
Tighten all fasteners.
concrete
6 of 7
For Technical Support Contact Peerless Mounts at 1-800-729-0307 or 708-865-8870.
CONCRETE
CEILING
A
B
G
A
B
ISSUED: 02-13-08 SHEET #: 054-9126-2 07-10-08
G
G
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