Nortek Security & Control Mighty Mule MM372W Installation Manual
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Contents
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xii MM371W / MM372W Installation InstructionsEABCDFGate Grounding● For reference only.Cooper Clad Ground Rod(not included)Use an 8 foot, 5/8 inch ground rod,positioned two feet or less from thepost and 2 inches or less above theground. Available at local home centeror hardware stores.NOTE: No grounding system absolutelyprotects against lightning strikes. Ifinstalled correctly, a grounding systemwill help minimize damage to yourgate operator.● The gate must be plumb, level, and swing freely on its hinges.● The gate must move throughout its arc without binding or dragging on the ground.● Wheels must NOT be attached to the gate.● Gates over 250 lb. should have ball bearing hinges with grease fittings.● Post must be secured in the ground with concrete (minimizes twist/flex when the operator is activated).● Make sure there is a stable area for mounting the gate bracket (this may require the addition of a horizontal or vertical crossmember).● We recommend you position the operator near the center-line of a gate to keep the gate from twisting and flexing, and toavoid back-splash from rain.Copper clad ground rod(not included)GroundGround2 Inches orLess abovegroundCopper groundrod clampCopper SingleConductor Lug3/16” DrilledPilot Hole6 ft. deepor moreMetal gate postMetal Gate Post12awg or LargerGate OpenerControl Box2 ft. or Lessfrom postIMPORTANT: CHECK FOR PROPER GATE INSTALLATIONCHECK EXISTING GATE SIZE AND MATERIAL• Gate size: Up to 16 feet and up to 50 lbs. — SeeOperational Capacity chart on page x.Not rated for use on solid surface gates.• Type of gate material: Vinyl, aluminum, chain link,farm tube, wrought iron, wood.A - LevelB - PlumbC - Free SwingingD - Secured Posts inConcreteE - Center line MountingF - Good Working Hinges (ball bearinghinges are recommended on gatesover 250 pounds) |
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