Craftsman 139.53648SRT2, 139.53834SRT3 Assembly Section Pages 8, Operation,noiseand/or RightWrong

Page 8

Assembly Section: Pages 8 - 11

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

Assembly Step 1

Assemble the T-rail & Attach

the Cable Pulley Bracket

Align the 3 T-railsections on a flat surface exactly as shown. The end sections are identical. Make sure the "arrow label" on the center section is

pointing toward the door.

Insert the carriage bolts so the square bolt necks seat in the square holes in the T-rail end sections and pass through the round holes in T-rail center section. Assemble lock nuts, ensure alignment and tighten.

Make sure bolt necks are

seatedIn thesquare ,_ holesand railsare U alignedbeforeyou tightenlocknuts.(See rightandwrongviews). Improperassemblycan

cause jerky trolley

operation,noiseand/or RightWrong

nuisance door reversals.

T-RAiL BACK (TO OPENER)

T-rail

(End Section)

1/4" Lock Nut

Q

Brace

If T-reil Is not assembled I EXACTLYas shown, trolley ] will not travel smoothly I along lengl_'tof rail or it will

hit againstthe nuts.

T-rail

(End Section)

\

Cable pulley bracket attaches to FRONT END of T-fair

T-RAIL FRONT

(TO DOOR)

T-rail

(Center Seclion)

Square Carnage

Bolt Holes

f Carnage Bolt

Hardware Shown Actual Size

©

Lock Nut

Carnage Bolts

1/4" - 20 x 7116"

1/4" - 20 x 1/2"

Positionthe cable pulleybracket on the frontend of the

T-rail as shown.Fasten securelywiththe hardware.

Hex Screws 5/16'- 18x7/8"

Hex Screw

Nut

Lock Washer

5/16" - 18 x 7/8"

5/16" - 18

5/16"

O

 

When

tightening

 

the

screws,

be

 

sure

to keep

 

 

bracket

parallel

 

to the

rail.

 

 

Otherwise, the

 

rail

may bow

 

Wrong

when

opener

is

Right

operated.

 

5/16'

8

Image 8
Contents Craftsman Start by reviewing these important safety alert symbols YoullNeed Tools Sectional Door Installation Closed PositionOne-Piece Door With Track ONE-PIECE Door Installation One-PieceDoor Without TrackTO your Installation Wit w edT o Carton InventoryHardware Installation HardwareSafety Reversing Sensor Installation Assembly Section Pages 8 Assemble the T-rail & Attach Cable Pulley BracketOperation,noiseand/or RightWrong Hardware Shown Actual SizeInstall the Trolley on the T-rail Hardware ShownActual Size Fasten Raft to OpenerMasterFigure Assembly StepInstall the Chain/Cable Attach the Sprocket Cover Trolley before adjusting chain Tighten the Chain & CableIll AbovethedoorIF1 --L--Ji One-piece door without track Jamb hardware One-piece door without track Pivot hardwareFasten the Header Bracket to the Ceiling Install the Header BracketFasten the Header Bracket to the Wall Attach the T-rail to the Header Bracket Position the Opener Sectional Door & ONE-PIECE Door with TrackL!LI Hang the OpenerInstall the Door Control Do not connect to live electrical wiring. ConnectDoor Control Button Fasten securely with 6ABx1-1/2 screws IllllllllltllllllllllllAttach the Emergency Release Rope and Handle Install the Light and the Lens32 explains how to use the door control RightWrong Permanent Wiring ConnectionsElectrical Requirements Safety Reversing System Facing the door from inside the garageInstall the Safety Reversing Sensor Right sides of the door Finger tighten the lock nutsShown Actual Size Alternate Wall MountTrouble Shooting IIIIIII!!11111!111 Fasten Door BracketII!!l!ll!!!lLllllllllllllllI!l!l!l Connect Door Arm to Trolley SEC!ONA DoorS OniyHole Alignment AlternativeAdjustment Procedures for One-PieceDoors Open Door Adjustment Decrease UP limitClosed Door Adjustment Decrease Down limit Assemble the Door ArmAdjustment Section Adjustment Step To Adjust the LimitsAdjust the UP and Down Limits Pages 28Adjust the Force How and When toAdjust the Forces Test the Down close forceAdjustment Step Test The Safety Reversing SensorTest the Safety Reverse System Must reverse on striking the obstructionMaintenance To reduce the risk of severe injury or death to personsCare of Your Opener ScheduleOperation of Your Opener Lockout positionReceiver and Remote Control Programming 53000SRT Series Garage Door OpenersSituation Having a Problem?Probable Cause and Solution Having a Problem? Probable Cause & SolutionRepair Parts Installation PartsOpener Assembly Parts Wie \FrAccessories Index For the repair or replacement parts you need For in-home major brand repair serviceGive the following information Product Type Part Number Model Number Part Description

139.53648SRT2, 139.53645SRT3, 139.53834SRT3, 139.53335SRT3, 139.53646SRT2 specifications

The Craftsman 139.53660SRT1, 139.53646SRT2, 139.53335SRT3, 139.53834SRT3, and 139.53645SRT3 are a series of advanced garage door openers designed for homeowners looking to enhance convenience, security, and functionality in their daily lives. Each model is equipped with cutting-edge technologies that streamline garage access while ensuring safety and durability.

One of the standout features across these models is the use of a powerful motor system, providing reliable performance for heavy garage doors. The motor's horsepower rating varies across the models, but all ensure consistent lifting strength and rapid opening and closing speeds, catering to different door weights and sizes.

In terms of security, these Craftsman models incorporate advanced encryption technologies, making unauthorized access nearly impossible. The security features include rolling code technology, which changes the access code each time the remote is used, thus preventing cloning and ensuring that only authorized users can operate the door.

These openers also prioritize ease of use. With their compatible smartphone app integration, users can remotely control and monitor their garage doors. Whether they are at home or away, users can receive notifications, check the status of their doors, and even open or close them at the touch of a button, adding an extra layer of convenience.

The installation process is also user-friendly, with many of these models featuring an easy-to-follow instruction manual. Homeowners can typically complete the installation themselves, saving time and money compared to hiring a professional. The durable construction of these openers ensures that they withstand the test of time, with many units equipped with weather-resistant materials that protect against rust and corrosion.

In addition to their functional features, the aesthetic designs of the Craftsman series are noteworthy. They fit seamlessly into a variety of garage styles, with a sleek finish that enhances overall garage appeal.

Overall, the Craftsman 139.53660SRT1, 139.53646SRT2, 139.53335SRT3, 139.53834SRT3, and 139.53645SRT3 garage door openers represent a blend of functionality, security, and user convenience. Homeowners seeking reliable, smart, and efficient solutions for managing their garage doors will find these models highly effective, offering peace of mind and ease of use in their everyday lives.