16Push down tabsPull light covers away from powerheadMaintenance and Adjustments (continued)Changing Light Bulbs1. Disconnect power to door opener.Open powerhead light cover(s) by pressing down on upperlocking tabs.• Replace old light bulb(s) with new.• Use 60 Watt MAX. incandescent bulbs or the CFL or LEDequivalent.• Close powerhead light cover(s).2. Reconnect power to door opener.• Test light operation.NOTE: Use of LED bulbs may reduce the range of your remotecontrols.Visit www.GenieCompany.com for more information andrecommendations for LED bulbs.Push down tabsPull light cover away from powerheadF. Light Bulb Replacement1 Light Models2 Light ModelsIf excessive chain/belt sag is noticed below the rail:1. Open the door until carriage is about mid travel and stop.2. Disengage the carriage and manually close the door.3. Loosen nuts on turnbuckle using 7/16” wrenches.4. Rotate turnbuckle counter-clockwise until slack is removed fromchain/belt.5. When measured on the opposite side of the rail from theturnbuckle, a properly adjusted chain will have a 1/4” gap to thebottom of the rail.6. Tighten nuts to secure turnbuckle.7. Be sure that chain/belt is not twisted or bound.8. Manually open door to re-engage carriage to turnbuckle.G. Chain/Belt Tension1/4”WARNING!• Use extreme caution when working from a ladder or stepstool or serious injury can occur.• When replacing light cover, make sure wires are not pinchedor near moving parts.• Use only properly rated incandescent, LED or CFL light bulbs.• DO NOT use bulbs with a rating greater than 60 Watts.• Use A19 size light bulbs. DO NOT use bulbs having a shortneck.AVERTISSEMENT!• Faire particulièrement attention lors de travaux effectuésdepuis une échelle ou en escabeau.• En referment le couvercle de l’éclairage, s’assurer que les filsne sont ni coincés ni près des pièces mobiles.• Utilisez uniquement incandescence correctement classé, LEDou des ampoules fluocompactes.• NE PAS utiliser des ampoules avec une note supérieure à 60Watts• Utilisez A19 ampoules de taille. NE PAS utiliser des ampoulesayant un cou court.