WARNING
•Always attach concrete expansion anchors directly to
•Never attach concrete expansion anchors to concrete covered with plaster, drywall, or other fi nishing material. If mounting to concrete surfaces covered with a fi nishing surface is unavoidable (not evaluated ny UL), 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" (16mm), custom fasteners must be supplied by installer (not evaluated by UL).
•Tighten screws so that projector mount is fi rmly 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.).
1 |
| concrete |
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| surface |
| |
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| C | VIEW |
Drill holes and insert anchors (C). |
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| CUTAWAY | ||
2 | A |
| |
|
| C | |
| D |
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Place plate (A) over anchors (C) and secure with |
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screws (D). |
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3 |
|
|
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Tighten all fasteners. |
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INCORRECT |
concrete |
A |
plaster/ |
drywall |
| CORRECT |
A | concrete |
| |
| plaster/ |
| drywall |
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