Craftsman 139.53644SRT User Manual

OWNER'S
UAL
Model No.
139.53535SRT1
139.53644SRT
139.53647SRT1
For Residential Use
Only
Caution:
Read and follow all
safety rules and
operating instructions
before first use of this
product.
Fasten the manual
near the garage door
after installation,
Complies with UL 325 _11 "_
regulations effective
January I, I993
1/2 P
GARAGE DOO
[] Safety Precautions
[] Assembly
[] installation
[] Adjustment
[] Care and Maintenance
[] Operation
[] Troubleshooting
[] Parts List
I:RRFTSMRNo
OPENE
Sears, Roebuck and Co., Hoffman Estates, IL 60179 U.S.A.

Craftsman 139.53644SRT Specifications

General

Type	Chain Drive
Horsepower	1/2 HP
Smart Technology	No
Voltage	120V
Frequency	60 Hz
Battery Backup	No
Max Door Height	7 feet
Safety Features	photoelectric sensors
Remote Controls Included	1
Warranty	1 year motor warranty, 90 days parts warranty

Summary

Essential Tools and Safety Precautions

Garage Door Balance and Safety Check

Instructions to test door balance and disable locks to prevent injury during installation.

Sectional Door Installation Considerations

One-Piece Door Installation Considerations

Carton Contents and Parts Inventory

Hardware Components Identification

Assembly Step 1: T-rail and Cable Pulley Bracket

Assembly Steps 2 & 3: Trolley and T-rail Installation

Assembly Step 4: Chain, Cable, and Sprocket Installation

Assembly Step 5: Chain and Cable Tensioning

Critical Installation Safety Guidelines

Read and Follow All Installation Instructions

Emphasizes the importance of adhering to all provided installation instructions to ensure safety.

Install on Balanced Door

Ensures the garage door is properly balanced and lubricated before opener installation.

Disable Locks and Remove Ropes

Requires disabling all door locks and removing ropes to prevent entanglement.

Mount Opener and Handle Height

Specifies recommended mounting heights for the opener and emergency release handle.

Connect Power After Instructions

Instructs users to connect power only after all installation steps are completed.

Locate Door Control Safely

Details safe placement for the door control, away from children and moving parts.

Install Safety Labels

Requires installing safety instruction labels near the door control and on the door.

Test Door Reversal

Mandates testing the door's reversal mechanism with a one-inch object or 2x4.

Prevent Entanglement in Moving Parts

Warns against wearing loose clothing or jewelry that could get caught in moving parts.

Installation Step 1: Header Bracket Location

One-Piece Door Header Bracket Location

Installation Step 2: Install Header Bracket

Installation Step 3: Attach T-rail to Header Bracket

Installation Step 4: Position the Opener Unit

Installation Step 5: Hang the Opener

Installation Step 6: Install Control Console

Installation Step 7 & 8: Lights, Lenses, and Emergency Release

Installation Step 9: Electrical Requirements and Safety

Understanding the Safety Reversing System

Installation Step 10: Install Safety Reversing Sensor

Align Safety Reversing Sensors and Troubleshoot

Installation Step 11: Fasten Door Bracket (Sectional)

Installation Step 11: Fasten Door Bracket (One-Piece)

Installation Step 12: Connect Door Arm (Sectional)

Assemble and Connect Door Arm (One-Piece)

Adjustment Step 1: UP and DOWN Travel Limits

Adjustment Step 2: Adjust Door Force Settings

Adjustment Step 3: Test Safety Reversing Sensor

Adjustment Step 4: Test Safety Reverse System

Important Safety Instructions Review

Opener Care and Maintenance Schedule

Operating Your Garage Door Opener

Receiver and Remote Control Programming

Troubleshooting Opener Operation and Control Issues

Troubleshooting Noise, Self-Operation, and Door Movement

Troubleshooting Door Reversal and Light Issues

Troubleshooting Opener Strain, Power, and Chain Issues

Repair Parts: Rail and Installation Components

Repair Parts: Opener Assembly Components

Optional Garage Door Opener Accessories

Sears Garage Door Opener Warranty Information