LiftMaster LA400DC LA400DC Owner's Manual - Page 9

INTRODUCTION SITE PREPARATION Check the national and local building codes BEFORE installation. TRENCH Trench and install conduit. Before trenching, contact underground utility locating companies. Conduit must be UL approved for low and high voltage. LOOPS Loops allow the gate to stay open when vehicles are obstructing the gate path. Suggested for vehicles 14 feet (4.27 m) or longer. Loops are not required but are recommended. Conduit SAFETY Entrapment protection devices are required to protect against any entrapment or safety conditions encountered in your gate application (refer to pages 19-20 for more details). Install warning signs on both sides of the gate. (Inside Property) GATE Gate must be constructed and installed according to ASTM F2200 standards (refer to page 4). Gate must fit specifications of operator (refer to specifications). Entrapment Danger Warning Signs CHECK YOUR GATE Gate MUST be level. Gate and gate post MUST be plumb. Gate MUST have a smooth bottom edge, no protrusions should exist. Remove ANY/ALL wheels from the bottom of gate. Gate MUST NOT hit or drag across ground. Gate MUST swing freely and be supported entirely by its hinges. 7