Chamberlain RSL12UL - Step 2 Install the Operator

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Step 2 Install the Operator
Attach the operator to the concrete pad with appropriate fasteners. The gate operator should be installed near the front roller of the gate or near the back of
the gate (in the OPEN position). The space between the gate and the output sprocket must be a minimum of 4 inches (10.2 cm).
INSTALLATION