Installation to Concrete Ceilings
Alligator® concrete anchors are recommended.
Drill two 1/4" (6 mm) dia. holes to a minimum depth of 2.5" (64 mm). Attach ceiling plate (Q) using two concrete anchors (G) and #14 x 2.5" wood screws (F) as shown in Illustration A and 1, 2, and 3. Tighten all fasteners.
Skip to step 7.
G
CONCRETECEILING
WARNING
•Make sure that the supporting surface will safely support the combined load of the equipment and all attached hardware and components.
•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.).
Q
F 
Illustration A
WARNING
•Concrete anchors are not intended for attachment to concrete wall covered with a layer of plaster, drywall, or other finishing material. If mounting to concrete wall covered with plaster/drywall is unavoidable, plaster/ drywall (up to 5/8" thick) must be counterbored as shown below. If plaster/drywall is thicker than 5/8", custom fasteners must be supplied by installer.
1
Drill hole and insert anchor.
2Q
F
concrete ceiling
G
G
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| INCORRECT | |
| metal |
| concrete |
| bracket | ||
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VIEW |
| plaster/ |
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| dry wall |
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CUTAWAY |
| CORRECT |
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metal |
| concrete | |
| bracket |
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| plaster/ |
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| dry wall |
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Place ceiling plate over anchor and secure with screw.
3
F G
After repeating step one tighten all fasteners.
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