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Installation to Solid Concrete or Cinder Block
• When installing Peerless wall mounts on cinder block, verify that you have a minimum of 1-3/8" of actual concrete
thickness in the hole to be used for the concrete anchors. Do not drill into mortar joints! Be sure to mount in a solid
part of the block, generally 1" minimum from the side of the block. Cinder block must meet ASTM C-90 specifica-
tions. It is suggested that a standard electric drill on slow setting is used to drill the hole instead of a hammer drill to
avoid breaking out the back of the hole when entering a void or cavity.
• Concrete must be 2000 psi density minimum. Lighter density concrete may not hold concrete anchor.
• Installer must verify that the supporting surface will safely support the combined load of the equipment and all attached
hardware and components.
Make sure that wall plate (AA) is level, use it as a
1
template to mark four mounting holes. The top mounting
slots should be located 6.2" (157.5 mm) above the
desired screen center as shown in figure 1.1 on page 4.
Drill four 1/4" (6 mm) dia. holes to a minimum depth of
2.5" (65 mm). Insert anchors (EE) in holes flush with wall
as shown (right). Place wall plate over anchors and
secure with #14 x 2.5" screws (DD). Level, then tighten
all fasteners.
WARNING
• Tighten screws so that wall 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.).
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)
INCORRECT
wall
plate
plaster/
dry wall
Visit Peerless website at www.peerlessmounts.com
CORRECT
wall plate
concrete
plaster/
dry wall
WARNING
1
Drill holes and insert anchors (EE).
2
Place plate (AA) over anchors (EE) and secure with screws (DD).
3
Tighten all fasteners.
AA
concrete
5 of 24
For customer care call 1-800-729-0307 or 708-865-8870
AA
DD
EE
DD
ISSUED: 11-21-07 SHEET #: 202-9254-2 02-22-08
concrete
surface
EE
EE
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