Peerless-AV ACC556 - Installation - Manual (Page 2)

2 of 3 ISSUED: 01-11-93 SHEET #: 128-9007-2 11-16-04
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wall
ceiling
A
For Concrete Ceilings drill four 5/16" (8 mm) dia.
holes to a minimum depth of 1-3/4" (45 mm). Attach
upper ceiling bracket (A) using concrete expansion
anchors as shown (right). Tighten to 80 in. • lb (9
N.M.) maximum torque.
CONCRETE ANCHOR INSTALLATION
• Concrete must be 2000 psi density minimum. Lighter density concrete may not hold concrete anchor.
• Make sure that the ceiling will safely support four times the combined load of the equipment and all attached hardware
and components.
WARNING
• Make sure that the ceiling will safely support the
combined load of the equipment and all attached
hardware and components.
• Never exceed the Max. Load Capacity of 300 lb (137 kg).
WARNING
Figure 1
• Tighten concrete anchor bolt firmly, but do not over-
tighten. Overtightening can damage the bolt, greatly
reducing its holding power.
• Never tighten in excess of 80 in. • lb (9 N.M.).
WARNING
• Always attach concrete expansion anchors directly to
load-bearing concrete.
• Never attach concrete expansion 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 in Figure 1.
WARNING
1
3
2
CEILING
CEILING PLATE