Sears 139.53971SRT owner manual Assemble the Rail & Install the Trolley, Back Rails, To Motor Unit

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ASSEMBLY STEP 1

Assemble the Rail & Install the Trolley

To avoid installation difficulties, do not run the garage door opener until instructed to do so,

The front rail has a cut out "window" at the door end (see illustration). The hole above this window Is larger on the top of the rail than on the bottom. A smaller hole 3-112" away is close to the rail edge. Rotate the back rail so it has a similar ho/e close to

the opposite edge, about 4-314" from the far end. A 3-piece rail uses two back rails.

1.Remove the straight door arm and clevis pin packaged inside the front rail and set aside for Installation Step 12.

2.Align the rail sections on a flat surface exactly as shown and slide the tapered ends into the larger

ones. Tabs along the side will lock into place.

3.Place the motor unit on packing material to protect the cover, and rest the back end of the rail on top.

For convenience, put a support under the front end of the rail.

4.As a temporary trolley stop, clamp a locking pliers onto the rail, 8" from the center of the idler pulley hole, as shown.

5.Check to be sure there are 4 black plastic wear pads inside the inner trolley. If they became loose during shipping, check all packing material. Snap them back into position as shown.

6.Connect the inner and outer trolleys as shown.

7.Slide the trolley assembly along the rail from the back end to the locked pliers.

Trolley

End

Back Rails

(TO MOTOR UNIT)

Inner TrolLey

Wear Pads

8

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Contents Garage Door Opener Abridor DE Puerta DE Cochera 4tI Warning Preparing your garage door Sectional Door One-Piece DoorTools needed Level DrillSectional Door Installation Sectional Door InstallationsPlanning Closed PositionONE-PIECE Door Installations ONE-PIECE Door Without TrackONE-PIECE Door with Track Finished CeilingCarton Inventory Hardware Inventory Assembly HardwareInstallation Hardware To Motor Unit Assemble the Rail & Install the TrolleyBack Rails On TOP and Sides Bracket Install the Idler PulleyHardware Shown Actual Size Inside Dispensin9 Master Link CapSha SprocketTighten the Chain ChainII/2 Inch Base fRail Mid length of RailProceed to , Determine the Header Bracket LocationSectional Door ONE-PIECEDOOR with Track Example Proceed toStepOne-piece door without track jamb hardware One-piece door without track pivot hardwareWall Header Bracket Installation Ceiling Header Bracket InstallationTempora Suppo Attach the Rail to the Header BracketHole Position the Opener Sectional Door or ONE-PIECE Door with TrackONE-PIECEDOOR Without Track EngagedreleasedStrJctural HardwareshownactualsizeLlilllllliltltl Illliillllil Install the Door ControlOutside Keylock Accessory Connections Overhand Attach the Emergency Release Rope and HandleLens Guide Reinstall the cover Permanent Wiring ConnectionElectrical Requirements Ground Tab Green Ground ScrewInstall The Safety Reversing Sensor Important Information about Safety Reversing SensorFacing the door from inside the garage Above floorInstalling the Brackets Garage door track installation preferredWall installation Floor installationMounting and Wiring the Safety Sensors Figure Aligning the Safety SensorsTroubleshooting the Safety Sensors Opener Terminal ScrewsBracket Fasten the Door BracketSectional Doors IIIIIIIIIIIIIIIIIIII!IIIIIII!IIIIIINut5,16HiiBo,tLkwa6r ONE-PIECE DoorsConnect Door Arm to Trolley Sectional Doors onlyAdjustment procedures, Figure Closed door adjustment decrease Down travel limitAssemble the door arm, Figure ALL ONE-PIECE DoorsAdjust the UP and Down Travel Limits HOW and When to Adjust the LimitsAdjust the UP open force as explained in Adjustment Step If door does not open at least 5 feetAdjust the Force HOW and When to Adjust the ForcesTest the Down close force Test the UP open forceTest the Safety Reversal System AdjustImportant Safety Check Test the Safety Reversing SensorImportant Safety Instructions Using Your Garage Door OpenerUsing the Wall.Mounted Door Control Light featureLock feature To Open the Door ManuallyOnce a Year Care Your OpenerTwice a Year Having a Problem? Using the Learn Button To Add an Additional Hand.held RemoteControl To Erase All Codes From Motor Unit MemoryUsing the Learn Button To Add or Change a Keyless Entry PINRail Assembly Parts Installation PartsKEY Part NO. NO.DESCRIPTION KEY Part DescriptionMotor Unit Assembly Parts Limit Switch1817 Not ShownAvailable only through Sears Parts & Service Sears WarrantyAccesorios GarantiaNbmeros Servicio Contra Tapa IntroduccionPreparaci6n de la puerta de su cochera Puerta seccional Puerta de una sola piezaHerramientas NecesariasPlanificacien Instalacion CON UNA Puerta SeccionalFesortede torsi n Control dl La puertaPlanificaci6n continba Puerta DE UNA Sola Pieza SIN CarrilInstalacion CON Puertas DE UNA Sola Pieza Puerta DE UNA Pieza CON CarrilInventario de las cajas 53970,5393Entrada sin Ilave Reversa de segurdadun ojo transmisorTORNILLERiA Y Piezas Para EL Armado Inventario de piezasTORNILLERiA Y Piezas Para LA Instalacion Monte el riel e instale el trole LA PuertaMONTAJE, Paso Instale la polea IocaSujete el riel al motor Estas Piezas SE Muestran /..= EN SU Tamaio NormalInstale la cadena o cable y coloque La cubierta de la polea Apriete la cadena ParaercaapretarinternaContinUe con el Paso 2, paglna Determine dnde va a instalar La mnsula del cabezaPuerta Seccional Puerta DE UNA Sola Pieza CON Carril Puerta de una pieza sin carril tornilleria del pivote Puerta DE UNA Sola Pieza SIN CarrilEjemplo SumeInstalacion DE LA Mensula DEL Cabezal EN EL Cielo Raso Instale la mnsula del cabezalInstalacion DE LA M#NSULA DEL Cabezal EN LA Pared Delantera Estas Piezas SE Muestran EN SU Tamaio Normal Coloque el riel en la mnsula del cabezalCon un PJL Trole ixterno Trie interno Coloque el abridorPuerta Seccional O Puerta DE UNA Sola Peza CON Carril Fgura INSTALACION,PASOCuelgue el abridor Flgura Instale la unidad de control PremiumNo apriete en exceso Instale la luce y lente Coloque la cuerda y la manija de emergenciaINSTALACION, Paso Requisitos para la instalaci6n elctricaConexioncon Cableado Permanente LangetaInstale el sensor del sistema de Reversa de seguridad Vista de la puerta desde el interior de la cocheraFstas Piezas SE Muestran EN SU Tamaio Normal Montaje Y Cableado DE LOS Sensores DEL Sistema DE Reversa DE SeguridadCMO Alinear LOS Sensores DE Seguridad Las terminales del abridor Cabe de campanaSujete la mnsula de la puerta UraPuertas Seccionales Si su puerta es de metal, aluminioDe pulgadaRoldana de 5/16 de pulgada Puertas DE UNA Sola PiezaCielo raso Estas Piezas SE Muestran EN SU Tamano Normal Conecte el brazo de la puerta al troleSolo Para Puertas Seccionales Arme el brazo de la puerta, Figura Procedimiento de ajuste, FiguraConecte el brazo de la puerta al trole Posicion Completamente CerradaAjuste el Iimite del recorrido hacia Arriba y hacia abajoRecorrldo COMe Y Cuando Ajustar LOS LiMITESAjuste la fuerza Como Y Cuando Ajustar LA Fuerza DEL AbridorPruebe la fuerza del recorrido hacia abajo cerrar Pruebe la fuerza del recorrido hacia arriba abrirPruebe el sistema de reversa de seguridad AJUSTES, PasoPruebe el sensor del sistema de reversa de seguridad Cno usar su abridor de puerta de cochera Active su abridor de alguna de las siguientes manerasSeguro C6mo usar la unidad de control de paredCdmo abrir la puerta manualmente Mantenimiento De su abridor de puerta De cochera LA Bateriadel ControlremotoCalendario DE Mantenimiento Dos veces al aoSi tiene algbn problema El control remote tiene corto alcanceCbmo agregar un control remoto manual adicionaJ Como Usarel BOT3NAPRENDER LearnControles remotos de 3 funciones Todos los cSdigosPara poner o cambiar el PIN de la Entrada sin Ilaves Pies se abra completarnente Control remoto compacto de 3 funcionesEntrada sin Ilave de funciones mOltiples Mdnsulas de extensi6nWww, sears.com LE-FOYER

139.53960SRT, 139.53968SRT, 139.53971SRT specifications

Sears 139.53971SRT, 139.53968SRT, and 139.53960SRT are a series of garage door openers that have gained recognition for their reliability and advanced features. These models represent a shift towards smarter technology in home automation, providing homeowners with increased convenience, security, and control over their garage doors.

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