Manuals / Craftsman / Household Appliance / Garage Door Opener

Craftsman 139.53664SRT2 owner manual Attach the T-rail Header Bracket, Shown Actual Size

Models: 139.53664SRT2

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Installation	Step	3	I
Attach the T-rail	to the	Header Bracket	I

--Header Wall

Header

Bracket

•Position the opener on the garage floor below the header bracket. Use packing material as a protective base.

If the door spring is in the way you'll need help. Have someone hold the opener securely on a temporary support to allow the T-rail to clear the spring.

•Position the belt pulley bracket against the header bracket.

•Align the bracket holes and join with a clevis pin as shown.

•Insert a ring fastener to secure,

Ring Fastener

Header Bracket

Clevis Pin

5/16'x2-3/4 •

Bracket

Garage

Door

Temporary

--Support

Hardware	Shown Actual Size
Clevis Pin	©
5/16"x2-3/4"	Ring Fastener

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Image 15

Craftsman 139.53664SRT2 owner manual Attach the T-rail Header Bracket, Shown Actual Size

Contents

CRRFTSMIiN MechanicalElectricaL Start by Reviewing these Important Safety Alert SymbolsYoull Need Tools Work properly. See page 30. Floor or door should Otherwise, the safety reverse system may notClosed Position It must close on the floor all the way acrossOne-P ece Door without Track One-Piece Door with TrackHardw&faSlsenlguired Carton Inventory Safety Reversing Sensor Installation Hardware Installation HardwareHardware Shown Actual Size Assembly Section Pages 8Assembly Step Assemble the T-rail Attach the Belt Pulley BracketFasten the T-rail to the Opener Install the Trolley on the T-railInstall the Belt Set Belt Tension PlaceCheck to make sure the belt is not twisted To attach the belt cap retainer Attach the Belt Cap RetainerProceed to , Installation Section Installation Step#youneed to install the header bracket Pages 12Example One-piece door without track Jamb hardwareDoorHardware Shown Actual Size Install the Header BracketFasten the Header Bracket to the Wall Fasten the Header Bracket to the CeilingShown Actual Size Attach the T-rail Header BracketPosition the Opener Hang the Opener Opener could fall and injure someone if itIs not properly secured. Fasten the opener Install the Premium Control Console Install the lights Install the Lights LensesInstall the lenses 32 explains how to use the door controlIf permanent wiring is required by your local Code, refer to the following procedureElectrical Requirements Facing the door from inside the garage Safety Reversing SystemAlternate Floor Mount Install the Safety Reversing SensorSensors will face each other across the garage door Finger tighten the lock nutsTrouble Shooting Aligning the Safety SensorsBracket Hodzontal and vertical reinforcement Fasten Door BracketScrewsnot provided Hole Alignment Alternative Connect Door Arm to TrolleyAdjustment Procedures for One-Piece Doors Fasten the straight and curved door arm sectionsTogether to the longest possible length, with a 2 or If the door does not close completely Adjustment Section Pages 28Adjust the UP and Down Limits How and When to Adjust the LimitsTest the Down close force Adjustment StepAdjust the Force How and When to Adjust the ForcesAdjustment Test The Safety Reversing SensorTest the Safety Reverse System Important safety checkCare of Your Opener MaintenanceTo reduce the risk of severe Injury or death to personsOperation of the Door Controls Operation of Your OpenerReceiver and Remote Control Programming If you have a Premium Control ConsoleIf you do not have a Premium Control Console Having a Problem? Probable Cause and SolutionSituation Probable Cause & Solution Repair Parts Rail Assembly PartsInstallation Parts Opener Assembly Parts Repair PartsAccessories For Sectional Doors On12If you do not have Premium Control Console Index Product Type Part Number Model Description 8OO-366-PART