Craftsman 139.53662SRT2 Owner's Manual

GARAGE DOOR OPENER1/2 HPOwner’sManualModel No.139.53662SRT2139.53670SRT1139.53675SRT2For Residential UseOnly Caution:Read and follow allsafety rules a

Assembly Step 4Install the Chain/Cable &Attach the Sprocket Cover CablePulleyCableLoopMasterLink BarMaster LinkClip-On SpringTrolleyT-railPin

• Spin the inner nut and lock washer down thethreaded shaft, away from the trolley.• To tighten the chain, turn outer nut in the directionshown. As yo

• Open your door to the highestpoint of travel as shown. Drawan intersecting horizontal lineon the header wall 2" abovethe high point. This heig

DoorHighest Pointof TravelHeaderWallPivotDistanceHeader WallHighest Pointof TravelDoorDistanceJambHardwareThe Chamberlain Group, Inc.Position Header B

Lag Screws5/16"x9x1-5/8"HighestPoint of Travel(of Garage Door)VerticalCenterLineHeaderWallGarageDoorMounting Header Bracket to WALL

HeaderBracketCablePulleyBracketTemporarySupportHeader WallGarageDoorThe Chamberlain Group, Inc.Attach Tee Rail to Header Bracket2/4/92 - 4/9/92T-railC

Installation Step 4Position the OpenerFollow instructions which apply to your doortype as illustrated.To prevent damage to steel, aluminum,fiberglass

Installation Step 5Hang the OpenerTwo representative installations are shown.Yours may be different. Hanging brackets shouldbe angled, Figure 1, to pr

Installation Step 6Install the Premium Control Console 18Do not connect to live electrical wiring. Connectonly to 24 Volt low voltage wires. Connecti

75 Watt Max.Light BulbLensGuideLensTabLensSlotLensTabLensTabInstall the lights:• Install a 75 watt maximum light bulb in eachsocket. The lights will t

Start by Reviewing these Important Safety Alert Symbols 2Contents PageA review of safety alert symbols...2You'll n

To reduce the risk of electric shock, your garagedoor opener has a grounding type plug with a thirdgrounding pin. This plug will onlyfit into a groun

The safety reversing sensor mustbe connectedand aligned correctly before the garage dooropener will move in the down direction. This is arequired safe

1/4x1-1/2"Lag Screw#10-32x3/8"Screw1/4"-20Lock Nut#10x32Lock NutStaples1/4"-20x1/2"Carriage BoltsInstallation Step 10Install

Invisible Light BeamProtection AreaSensorSensorConnect Wire toOpener TerminalsBell WireBell WireFinishedCeilingOPENER TERMINAL SCREWSSensorConnections

Installation Step 11Fasten Door Bracket Follow instructions which apply to your doortype as illustrated below or on page 25.To prevent damage to stee

Horizontal and verticalreinforcement is needed forlightweight garage doors(fiberglass, aluminum, steel, door with glass panel, etc.).Header WallVe

Ring FastenerDoorBracketClevis Pin5/16"x1-1/4"CurvedDoor ArmStraightDoor ArmClevis Pin5/16"x1"LockWashers5/16"Nuts5

Door Arm to Trolley 1 pc1/96Nuts5/16"-18LockWashers5/16"RingFastenerStraightArmScrews5/16"-18x7/8DoorBracketClevis Pin5/16&quo

Adjustment Step 1Adjust the UP and DOWN LimitsDo not make any limit adjustments until thesafety reversing sensors are completelyinstalled. 28Limit ad

Adjustment Step 2Adjust the ForceToo much force on the door will interfere withthe proper operation of the safety reversesystem. The door might not re

PliersWire CuttersClaw HammerHack SawScrewdriverAdjustable End Wrench1/2" and 7/16" Socketsand WrenchDrillTape Measure21StepladderPencil3/1

Adjustment Step 4Test the Safety Reverse SystemTest: • Place a one-inch board (or a 2x4 laid flat) on thefloor, centered under the garage door.• Oper

The remote controlThe lithium batteries shouldproduce power for up to5 years. To replace batteries,use the visor clip or screwdriverblade to pry open

To open the doormanually: The door should befully closed if possible.Pull down on the redemergency releasehandle and lift the doormanually. Torecon

33 Tornillos deajuste de límiteEtiqueta de ajustes"SRT" (learn)ButtonSECURITY✚Garage Door OpenerIndicatorLightRIGHTPANELKGKG13975139751

1. Does the opener have electric power? Plug a lamp into the outlet. If it doesn't light,check the fuse box or the circuit breaker. (Some outlet

Having a Problem? (continued)Situation Probable Cause & SolutionThe door reverses forno apparent reasonand opener lightsdon't blink:1. Is som

Repair Parts 104NOTICE89UPCEILING MOUNT ONLY1718141516131LOCKLIGHT2375651211TO GARAGE DOOR1244657RAIL GREASENO. 83A43Rail Assembly PartsInstallation

Repair PartsOpener Assembly Parts12121015161754183DNUPBrownWire(Down)ContactLIMIT SWITCHASSEMBLYGreyWireYellowWire(Up)ContactCenter LimitContactDriveG

38 Sears offers many useful accessories for your garage door opener. They are illustrated below withSears model numbers and descriptions.139.53684139

IndexAccess Door/Outside Key Release Accessory...4, 5Chain

4Safety Reversing SensorHorizontal and vertical reinforcementis needed for lightweight garage doors(fiberglass, steel, aluminum, doorwith glass pa

SEARS WARRANTYFULL 90-DAY WARRANTY ON GARAGE DOOR OPENERFor 90 days from the date of purchase, Sears will repair this Garage Door Opener, free of char

5SafetyReversing SensorClosed PositionCablePulley BracketHeaderBracketTrolleyStraightDoorArmEmergencyReleaseRope & HandleDoor BracketCurve

6 Straight DoorArm SectionCurved DoorArm SectionSafety LabelsandLiterature2-Conductor Bell WireWhite & White/RedCablePulley BracketChain

Lock Washer5/16" (4)Nut 5/16"-18 (6)Clevis Pin5/16"x2-3/4" (1)NOTICEHandleInsulatedStaples (10)Assembly HardwareInstallation H

8 Assembly Step 1Assemble the T-rail & Attach the Cable Pulley Bracket• Place the 3 T-rail sections on a flat surface forassembly. The end sectio

Assembly Step 2Install the Trolley on the T-rail• Place the opener on packing material to protectthe cover. For convenience, put a support underthe ca