LiftMaster RSW12UL Installation Manual - Page 39
Step 1 Determine Location forConcrete Pad and Operator, Step 2 Concrete Pad and OperatorAttachment
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APPENDIX Step 1 Determine Location for Concrete Pad and Operator Compact Installation Only DO NOT run the operator until instructed. Refer to the illustration to determine the measurements and location of the concrete pad. NOTE: When lifting the operator use the handle to avoid damaging the operator. Step 2 Concrete Pad and Operator Attachment Compact Installation Only CHECK the national and local building codes before installation. NOTE: When lifting the operator use the handle to avoid damaging the operator 1. Install the electrical conduit. 2. Pour a concrete pad (reinforced concrete is recommended). The concrete pad should be 6 inches (15.2 cm) above the ground and deeper than the frost line. Ensure the pad is tall enough to avoid possible flooding. 3. Secure the operator to the concrete pad with appropriate fasteners. NOTE: An alternative to a concrete pad is to post mount the operator, see Accessories. 39