Craftsman 139.53672SRT3 Owner's Manual

Owner'sManualModel No.139.53661SRT3139.53671SRT3139.53672SRT3139.53673SRT3139.53674SRT2139.53677SRT3For Residential UseOnlyCaution:Read and follo

Assembly Step 4Install the Chain/Cable &Attach the Sprocket CoverDispensing CadonLeave Chain and CableInside DispensingCarton to Prevent Kinking.K

Assembly Step 5Tighten the Chain & Cable• Spin the inner nut and lock washer down thethreaded shaft, away from the trolley.To tighten the chain, t

Installation Section: Pages 12 - 27Installation Step 1Determine Header Bracket LocationInstallation procedures vary according togarage door types. Fol

Read the Safety instructions on page 12. They also apply to doors without tracks.• Close the door and mark theinside vertical centerline ofyour garage

Installation Step 2Install the Header BracketYou can attach the header bracket either to thewall above the garage door, or to the ceiling.Follow the i

Installation Step 3 [Attach the T-rail to the Header BracketHeaderSracketCableBracket• Position the opener on the garage floor below theheader bracket

Installation Step 4Position the OpenerFollow instructions which apply to your doortype as illustrated.A 2x4 laid flat is convenient for setting an ide

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

Installation Step 6 IInstall the Door ControlLocate the door control within sight of the doorat a minimum height of 5 feet where smallchildren cannot

6.AttachtheUserSafetyInstructionlabeltothewallnearthedoorcontrol,andtheMaintenanceInstructionlabelina prominentlocationontheinsideofthegaragedoor.Page

Contents PageA review of safety alert symbols ... 2You'll need tools...

Installation Step 9Electrical RequirementsTo reduce the risk of electric shock, your garagedoor opener has a grounding type plug with a thirdgrounding

Safety Reversing Systemand aligned correctly before the garage dooropener will move in the down direction. This is arequired safety device and cannot

Installation Step 10 IInstall the Safety Reversing SensorIFigures 2 and 3 show assembly of brackets and"C" wrap based on the recommended ins

• Centereachsensorunitina"C"wrapwithlensespointingtowardeachotheracrossthedoor(seeFigure6).Securesensorswiththehardwareshown.Fingertightenth

Installation Step 11Fasten Door BracketFollow instructions which apply to your doortype as illustrated below or on page 25.A horizontal brace should b

Please read and comply with the warnings and reinforcement instructions on page 24.They apply to one-piece doors also.Header Wall-- Finished Ceiling -

Installation Step 12Connect Door Arm to TrolleyFollow instructions which apply to your doortype as illustrated below and on page 27.Make sure garage d

Assemble the Door Arm:• Fasten the straight and curved door arm sectionstogether to the longest possible length (with a 2 or3 hole overlap).• With the

Adjustment Section: Pages 28 - 30Adjustment Step 1Adjust the UP and DOWN LimitsDo not make any limit adjustments until thesafety reversing sensors are

Adjustment Step 2Adjust the ForceForce adjustment controls are located on the back_anel of the opener. Force adjustment settingsregulate the amount of

You'll Need ToolsDuring assembly, installation and adjustment of the opener, instructionswill call for hand tools shown below.StepladderPencilTap

Adjustment Step 3Test The Safety Reversing Sensor• Press the remote control push button to open thedoor.• Place the opener carton in the path of the d

IMPORTANT SAFETY INSTRUCTIONSTo reduce the risk of severe injury or death to persons:1. READ AND FOLLOW ALL INSTRUCTIONS.2. Do not permit children eit

Operation of Your OpenerActivate the opener with any of the following:• The Remote Control: Hold push button down untilthe door starts to move.• The D

Receiver and Remote Control ProgrammingSI ,CIJRI'I -"I;To comply with FCC rules, adjustment or modifications of this receiver and/ortransmit

SituationHaving a Problem?Probable Cause and SolutionThe opener doesn?operate from eitherthe Door Control orthe remote control:1. Does the opener have

SituationHaving a Problem? (continued)Probable Cause & SolutionThe door opens butwon't close:1. If the opener lights blink, check the safety

Repair Parts, rail assembly and installationRefer to Parts Diagram document for part info.

Repair Parts, opener assemblyRefer to Parts Diagram document for part info.

AccessoriesSears offers many useful accessories for your garage door opener. They are illustrated below withSears model numbers and descriptions.139.5

IndexAccess DoorlOutside Key Release Accessory ... 4, 5Cha

Before you begin, survey your garage area tosee whether any of the conditions below applyto your installation.Herizontal and vertical reinforcementis

For professional installationCall 24 hours a day, 7 days a week1-800-865-8500For the repair or replacement parts you needCall 7 am - 7 pro, 7 days a w

J__ --_ V_ One-Piece Door Without TrackBefore you begin, survey your garage area tosee whether any of the conditions below apply FINlu_Ct_HEDbCr_Fd^L_

Carton InventoryYour garage door opener is packaged in two cartons which contain parts illustrated below. Accessories willdepend on model purchased. I

Separate all hardware from the packages in the rail carton and the opener carton, asshown below, for the assembly and installation procedures.Assembly

Assembly Section: Pages 8 - 11To avoid installation difficulties, do not run the garage door opener until instructed to do so.Assembly Step 1Assemble

Assembly Step 2Install the Trolley on the T-rail• Attach the threaded shaft to the trolley with thelock washer and nuts as shown.TrolleyOuter NutLock