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General| Brand | Craftsman |
|---|---|
| Model | 139.53962 SRT |
| Category | Garage Door Opener |
| Language | English |
Lists the specific model numbers for the garage door opener.
Highlights the main components and type of garage door opener.
Explains the meaning of different safety symbols used in the manual.
Crucial warnings and cautions for safe operation and installation.
Lists the hand tools necessary for assembling and installing the opener.
Emphasizes checking door balance and disabling locks before installation.
Details the process for installing the opener on sectional garage doors.
Details the process for installing the opener on one-piece garage doors.
Lists all parts and hardware included in the opener cartons.
Guides on assembling the rail sections and installing the trolley.
Instructions for attaching the assembled rail to the opener unit.
Details on how to install the idler pulley component.
Steps for installing the chain, cable, and sprocket cover.
Guidance on properly tightening the opener's chain.
How to find the correct position for the header bracket on the wall or ceiling.
Instructions for securely mounting the header bracket to a wall.
Instructions for securely mounting the header bracket to a ceiling.
Connects the opener rail to the previously installed header bracket.
Guides on placing the opener unit correctly relative to the door.
Instructions for securely mounting the opener to the garage structure.
Steps for mounting the main wall-mounted door control.
How to install the opener's light bulbs and protective lenses.
Guidance for installing the emergency release rope and handle.
Information on connecting the opener to a power source safely.
Explains the function and importance of the safety reversing sensor.
Details on mounting sensor brackets and connecting their wires.
Procedures for attaching the bracket to sectional garage doors.
Procedures for attaching the bracket to one-piece garage doors.
How to connect the opener's door arm to the trolley for sectional doors.
Steps for assembling and connecting the door arm for one-piece doors.
Setting the maximum open and close positions for the door.
Setting the force required to move the door safely.
Procedures for testing the safety reversing sensor and overall system.
Key safety guidelines to follow during operation and maintenance.
Routine checks and lubrication advice for the opener.
Methods to open, close, and control the garage door.
Step-by-step guide to program remote controls and keyless entry.
Solutions for when the opener does not respond to controls.
Diagnosing and fixing problems with the door reversing unexpectedly.
Lists and identifies various parts for repair or replacement.
Lists and describes useful accessories for the opener.
Outlines the terms and coverage of the garage door opener warranty.
