To Next PageTo Next Page
Need help?Do you have a question about the Craftsman 139.53971SRT and is the answer not in the manual?
General| Type | Chain Drive |
|---|---|
| Horsepower | 1/2 HP |
| Max Door Height | 7 ft |
| Remote Control | Yes |
| Security Feature | Rolling code technology |
| Voltage | 120V |
| Battery Backup | No |
| Safety Features | Safe-T-Beam infrared sensors, automatic safety reverse |
Essential safety guidelines for safe operation and installation of the garage door opener.
Explains the meaning of warning and caution symbols to alert users to potential hazards.
Lists the necessary hand tools required for the assembly and installation of the garage door opener.
Considerations for planning the installation of the opener on sectional garage doors.
Specific planning details and warnings for installing the opener on one-piece garage doors.
Determining the header bracket position for sectional and one-piece doors with tracks.
Instructions for mounting the header bracket directly onto the garage wall structure.
Instructions for mounting the header bracket to the garage ceiling structure.
Guidance on setting the opener's position for sectional and one-piece doors with tracks.
Guidance on setting the opener's position for one-piece doors without tracks.
Ensuring correct electrical connections and outlet types for safe opener operation.
Details on how the safety reversing sensor detects obstructions for safe operation.
Mounting sensor brackets to the garage door track for optimal alignment.
Mounting sensor brackets directly onto the garage wall.
Mounting sensor brackets to the garage floor.
Procedures for correctly aligning the safety reversing sensors for proper function.
Common issues and solutions for safety reversing sensor malfunctions.
Securing the door bracket to sectional garage doors, including reinforcement.
Connecting the door arm sections to the trolley for sectional garage doors.
Guidance on adjusting door travel limits for proper opening and closing.
Procedures for adjusting the opening and closing forces of the garage door opener.
Critical safety rules to follow when operating the garage door opener.
Instructions on how to operate the garage door opener using various controls.
Details on the light and lock features of the premium control console.
How to program a 3-function remote to control the opener's lights.
Steps to manually disconnect the trolley for opening or closing the door by hand.
Procedure to reconnect the trolley after manual operation.
Guidance on adjusting opener limits and forces due to weather changes.
Recommended checks and lubrication for maintaining the opener's performance.
Diagnosing issues like non-operation, remote/control problems, and motor strain.
Addressing problems with door not opening/closing fully, reversing, or chain sag.
Resolving issues related to noise, power failure, and remote range.
Instructions for programming additional remote controls to the opener.
Procedure to clear all programmed remote controls from the opener's memory.
Details on programming additional buttons on 3-function remotes.
Diagram and part numbers for components of the opener's rail assembly.
Diagram and part numbers for various installation components.
Details of the initial 90-day warranty covering defects in material or workmanship.
Information on the limited warranty for replacement parts and the motor beyond 90 days.
Exclusions and limitations on Sears' liability regarding product use and damages.
