LiftMaster RSW12UL Installation Manual - Page 9
INSTALLATION, Step 1 Determine Location for Concrete Pad and Operator
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INSTALLATION l To AVOID damaging gas, power or other underground utility lines, l ALWAYS wear protective gloves and eye protection when changing contact underground utility locating companies BEFORE digging more the battery or working around the battery compartment. than 18 inches (46 cm) deep. Step 1 Determine Location for Concrete Pad and Operator For compact installation refer to the Appendix for installation steps 1-4, page 39. DO NOT run the operator until instructed. The illustration below shows the recommended dimensions for a standard installation. If these dimensions are not applicable for your installation refer to the chart on the following page for alternate dimensions. Standard Installation Refer to the illustration to determine the measurements and location of the concrete pad. NOTE: There should only be a maximum of 4" (10.2 cm) from the center of the hinge to the edge of the post or column. If the distance is greater than 4" (10.2 cm) entrapment protection for this area is required. 9