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344940 REV2 03/17/2020
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Copyright 2020 Wayne Dalton, a division of Overhead Door Corporation
8
STEP 1
OPENING CHECKS
Refer to Figure 3. Check the opening width “A” and the opening height “B” or “F” and compare
with the installation drawing to be sure the opening is the proper size for the shutter. Verify the
clearances available meet or exceed those given on the installation drawing.
Rope off the opening prior to beginning work!
Figure 3