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General| Brand | Craftsman |
|---|---|
| Model | 139.18453D |
| Category | Garage Door Opener |
| Language | English |
Explains safety symbols and signal words (Warning, Caution) used in the manual.
Lists warnings and cautions for preparing the garage door before installation.
Details considerations for installing openers on sectional garage doors.
Provides installation guidance for one-piece garage doors.
Details steps for assembling the rail and installing the trolley.
Instructions for attaching the rail to the motor unit.
Steps for installing the idler pulley onto the rail assembly.
Guides on installing the chain and cable onto the opener assembly.
Instructions for properly tightening the chain on the garage door opener.
Crucial safety warnings and general guidelines for installing the opener.
Explains how to find the correct location for the header bracket.
Details the process of installing the header bracket on the wall or ceiling.
Steps for connecting the rail to the installed header bracket.
Guidance on correctly positioning the opener unit for installation.
Instructions on securely hanging the opener unit using brackets.
Steps for installing the wall-mounted door control button and wiring.
Instructions for installing the light bulb in the opener unit.
Guidance on attaching the emergency release rope and handle.
Details electrical connections and safety requirements for the opener.
Instructions for installing the safety reversing sensor system.
Procedures for mounting safety sensor brackets using different methods.
Steps for mounting and wiring the safety sensors.
Procedures for aligning the safety sensors for proper operation.
Common issues and solutions for safety sensor problems.
Instructions for attaching the door bracket to sectional doors.
Specific instructions for fastening the door bracket on one-piece doors.
Guides on connecting the door arm to the trolley assembly.
Specific steps for connecting the door arm for one-piece doors, including adjustment.
How to set the upper and lower travel limits for the garage door.
Instructions for adjusting the force settings for opening and closing the door.
Procedures for testing the garage door opener's safety reversal system.
Steps to test the functionality of the Protector System (safety sensors).
Critical safety warnings for operating the garage door opener.
How to operate the opener using remotes and the wall control.
How to use the wall-mounted door control button.
Procedures for manually disconnecting and reconnecting the trolley.
Mentions pages for limit and force adjustments.
Provides a schedule for routine maintenance tasks.
Instructions for replacing the battery in the remote control.
Addresses issues with the door not closing and indicator lights blinking.
Troubleshooting steps for remotes that do not activate the opener.
Explains why the door might reverse unexpectedly during travel.
Addresses issues where the door reverses after touching the floor.
Explains the security light feature and potential issues.
Troubleshooting steps for a humming motor unit.
A chart that maps diagnostic LED flashes to specific problems and solutions.
Steps to program or reprogram remote controls for the opener.
How to erase all previously programmed remote codes.
Instructions for setting up or modifying Keyless Entry PINs.
Lists and identifies parts related to the opener's rail assembly.
Lists and identifies parts used during the installation process.
Identifies and lists the components of the motor unit.
