Craftsman 139.3043 owner manual Install the Belt

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ASSEMBLY STEP 4

Install the Belt

1.Pull the belt around the idler pulley and toward the trolley. The ribbed side must contact the pufley.

2.Hookthe trolley connector into the retaining slot on the trolley as shown.

3.With the trolley against the screwdriver, dispensethe remainder of the belt along the rail length toward the motor

unit and around the sprocket. The sprocket teeth must engage the belt.

4.Checkto make sure the belt is not twisted. Connectthe trolley threaded shaft with the master link, as illustrated:

•Push pins of master link bar through holes in end of belt and trolley threaded shaft.

•Push master link cap over pins and past pin notches.

•Slide clip-on spring over cap and onto pin notches until both pins aresecurely locked in place.

To avoid possible SERIOUSINJURYto fingers from moving garagedoor opener:

•ALWAYS keep hand clear of sprocket while operating opener.

•Securely attach sprocket cover BEFOREoperating.

5.Insert the trolley threaded shaft through the hole in the trolley. Be sure the belt is not twisted.

Trolley Connector

BeltSprocket

Y

Threaded

Shaft

Slot

Trolley

Connector

Idler

Pulley

HARDWARESHOWN ACTUALSIZE

[©

Master Link

Clip-On Spring

Master

Link Cap

 

Notch

Trolley

Master

Threaded

Link Bar

Shaft

 

i i

Master Link

Trolley Threaded Shaft

10

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Contents Garagedooropener Abridorde Puertadecochera 41-42 WarrantySafety SymbolReviewand Signal WordReview BackCoverPreparingyourgarage door One-Piece DoorAccessDoor Sectionaldoor InstallationSectionaldoorinstallation PlanningONE-PIECEDOORWITHOUT Track ONE-PIECEDOOR InstallationsONE-PIECEDOORWITH Track CartonInventory With screws3HardwareInventory AssemblyhardwareInstallationhardware NutInner Trolley Assemble the Rail and Install the TrolleyFasten the Rail to the Motor Unit Rail TOPInstall the Idler Pulley Install the Belt Importantinstallationinstructions Set the Tensionand Install the SprocketCoverHardware Determine the HeaderBracketLocationOne-piecedoor withouttrack Ceilingheaderbracketinstallation Install the Header BracketWall Headerbracketinstallation SpringAttach the Raft to the Header Bracket HeaderWall HeaderBracket IdlerPulley Header0Sectionaldooror ONE-PIECEDOORWITH Track Positionthe OpenerONE-PIECEDOORWITHOUTTRACK Orts Hang the OpenerFinished Ceiling 100WattMax Install the LightsAttach the Emergency Release Rope and Handle WattMax StandardLightBulbSectionaldoors Metal, insulated or light weight factoryreinforced doorsFasten the Door Bracket WoodDoorsSelf-ThreadingScrew 1/4-14x5/8 BracketHole alignment alternative Connect Door Arm to TrolleySectionaldoorsonly Straight DoorArmOuter ConnectDoorArm to Tro//eyAttach the Warning Labels RingIntroduction Install the Door ControlWirethe DOORCONTROLFIGURE2 Connected to the garage door opener in a later stepWirethe Doorcontrolto the Garagedooropener Install The ProtectorSystemInstall the Door Control Importantinformationaboutthe Safetyreversing SensorWaft installation Figures2 Installingthe BracketsGarage door trackinstallation preferred Floor installation FigureMounting Option B Pre-Wired /nsta//ationInsta// TheProtectorSystem Connectto GaragedooropenerWireNuts Aligningthe SafetyReversingSensorsPermanentwiring Optionb Electrical RequirementsIf the Greenled on the Receivingsensoris not Glowing Aligning the Safety Reversing SensorsIf the Amberled Onthe Sendingsensoris not Glowing ProgrammingbuttonsIMPORTANTNOTEFor one-piece door installations refer to Programthe TravelImportantsafetycheck Testthe SafetyReversalSystemAdjust Test The ProtectorSysterBatterystatusled Greenled Testthe BatteryInstall the Battery Chargethe BatteryFeatures Door Control Settings Smart ControlPane/SetupFeatures Menu NavigationENTERbutton ProgrammingTo Erase the Memory Eraseall Remotecontrolsand KeylessentriesEverymonth To Openthe Door ManuallyCareof YourOpener EveryyearFlash 3 Flashes DiagnosticchartFlash 2 Flashes Flash 4 Flashes4FLASHES Flashes Diagnostic UP DownArrow Flashes Flashes 6 FlashesRail Assembly Parts Installation Parts Description41B135 Line cord Motor Unit Assembly PartsKEY Part 41A7630ForSectionalDoorsOnly41A7569 Available only throughSears Parts & ServiceInstallingopener in garagewith low headroom clearance 139.53728 139.53729Page Page Revisi6n de lossimbo/osy trminosde seguridad Herramientasnecesarias Preparaci6nde la puerta de su cocheraPuertade unasola pieza Instalaciincon Unapuertaseccional Planificaci6nInstalacioncon Unapuertaseccional EN Posicion CerradaPuertade UNA Solapiezasin Carril Planificaci6n continUaInstalacioncon Puertasde Unasolapieza Puertade UnapiezaconcarrilContornillos3 Inventario de la caia de cartdnCubiertadela banda SecciOndelantera delrielcabezalTornilleriay Piezasparaelmontaje Inventario de piezasTornilleriay Piezasparalainstalacion Partesuperior Monte e/fie/e insta/e e/tro/eFije e/tie/a la unidadde/motor Estaspiezasse Muestranen SU TamaiorealTrole Destornillador Orificiode paro deltrole Nstale la po/ea IocaEstas Piezasse Iviuestranen SU Taiviaioreal Conranura Nsta/e /a bandaConector deltrole Estas Piezasse Muestran EN SU Tamaio NormalInstruccionesimportantesparalainstalacion Estas Piezasse Muestran EN SU TamaionormalDetermine d6nde va a insta/ar la mnsulade/cabeza Accesoriosde montajeInstalaciinde LA Mensuladel Cabezalen Elcieloraso Insta/e /a mnsu/a de/cabezaInstalaciinde LA Mensuladel Cabezalen LA Pared Delantera Estas Piezasse Muestran EN SU TamaiorealCo/oquee/fie/en la mnsula de/cabeza Orificiode montajePUERTASECCIONAL0 Puertade Unasolapiezacon Carril Coloque el abridor en posici6nPuertade Unasolapiezasin Carril Cuelgueel abridor Estas Piezas SE Muestran EN SU TamaiorealInstale /as luces Coloquela Manija y la Cuerdade EmergenciaPuertasseccionales Fije la m6nsuladela puertaPuertas de madera Fije /a mnsu/a de la puerta contin#a Puertasde UnasolapiezaSI3LOPARA Puertasseccionales Conecteel brazo de la puerta al trole16-18x7/8 Correcto IncorrectoTodaslas Puertasde Unasolapieza Conectee/brazo de/a puerta a/tro/e contin#aColocar/as etiquetas de advertencia TroleAlambrede Controlde LA PUERTAFIGURA2 Instalar el controlde la puertaIntroduccion Montar Elcontrolde LA PUERTAFIGURA3Instale la ProtectorSystem+ Instalar e/contro/de/a puerta continUaTENDERLOSCABLESDESDEELCONTROLHASTAELABRE-PUERTA FIGURA4 Instalaci6n en la pared Figuras2 y Instale la ProtectorSystem contin#aInstalacionde LAS Minsulas Instalacifin en el piso FiguraOpci#n a Instalaci#nsin cables preinstalados Insta/e /a ProtectorSystem contin#aMontaje Opci#n B Concables preinstaladosCorrectoincorrecto Requisitospara /a insta/aciCne/ ctricaAlineaciCnde los sensoresde reversa de seguridad Conexioncon CableadopermanenteIneaci6n de/os sensores de reversa de seguridad continUa Introducci6nProgramaci6nde/desp/azamiento Prueba Pruebe e/sistema de seguridadde reversaPrueba la ProtectorSystem AjusteInstale la bateria Prueba de la bateriaFunciones Pu/sadordebarra Funcionescontin#aContro/de /a puerta Paraabrir o cerrarla puertautilizarelpulsadorde barraConfiguraci6nde/a Smart Contro/Pane FuncionesProgramaciCn Para borrar la memoriaBorrartodoslos Dispositivos Una vez al mes C6moabrir la puerta manualmenteMantenimiento de su abridor de puerta de cochera Una vez al afioTablade Diagnistico Destello 4 Destellos 51DESTELLO 5 DestellosSensoresde SolucionTablade Diagnostico Destellos 1DESTELLOSeguridadenlaparedo enelpiso OpcionalesParalainstalaci6ndelsensordeS61opara puertas seccionales MY-HOME

139.3043 specifications

The Craftsman 139.3043 garage door opener stands out as a robust and reliable solution for homeowners looking to enhance the functionality and security of their garage spaces. This model is designed with the latest technologies and features, making it one of the preferred choices in the market.

One of the key features of the Craftsman 139.3043 is its powerful motor, which provides a smooth and quiet operation. With a lifting capacity that accommodates most standard residential garage doors, this opener ensures that users can operate their doors seamlessly without unnecessary noise. The blend of power and quiet functionality enhances the overall user experience, making it ideal for homes with bedrooms or living areas adjacent to the garage.

The opener also boasts a durable rail system, designed for easy installation and longevity. The straightforward design simplifies the installation process, enabling a typical DIY enthusiast to set it up without the need for professional assistance. Additionally, the sturdy construction of the rail system ensures that it can withstand the rigors of daily use.

Safety and security are paramount with the Craftsman 139.3043. It incorporates advanced safety features, such as the automatic reverse function, which prevents accidents by reversing the door's motion when an obstacle is detected. This feature adds peace of mind for families with children and pets. Furthermore, the built-in security technology includes a rolling code system that changes the access code each time the remote is used, thus protecting against potential unauthorized access.

The Craftsman 139.3043 is equipped with remote control capabilities, allowing users to open and close their garage doors from a distance. The remote is designed to be user-friendly, with buttons that are easy to operate. Additionally, many models include a smartphone app integration, empowering users to control their garage door via their mobile devices, providing convenience and modern accessibility.

Another notable characteristic is the vibrant LED lighting that illuminates the garage space when the door is in use. This not only enhances visibility but also contributes to the overall safety of the area, preventing accidents in dimly lit environments.

In summary, the Craftsman 139.3043 garage door opener combines power, ease of use, advanced safety features, and modern technology. Its reliable performance and user-friendly elements make it a top choice for homeowners seeking an effective solution to their garage door needs.
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