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General| Brand | Craftsman |
|---|---|
| Model | 139.30437 |
| Category | Garage Door Opener |
| Language | English |
Explains the meaning of safety symbols and signal words used in the manual.
Instructions for ensuring the garage door is ready for opener installation and balance.
Lists the required hand tools for assembling and installing the opener.
Identifies garage area conditions and door types for proper opener installation.
Lists all parts included in the carton and hardware for assembly.
Step-by-step guide to assembling the opener's rail and trolley mechanism.
Connects the assembled rail to the main motor unit securely.
Guides on installing the idler pulley and connecting the chain or cable.
Instructions for properly tensioning the drive chain for optimal performance.
Guides on finding the correct mounting position for the header bracket.
Details on mounting the header bracket and attaching the opener rail.
Instructions for securely hanging the motor unit and positioning it correctly.
Steps for wiring and mounting the door control and safety reversing sensors.
Covers connecting power to the opener and electrical safety guidelines.
Explains how to program travel limits and use control panel buttons.
Procedures for testing the safety reversal system and protector system.
Details on using features like Timer-to-Close, lights, and motion sensor on the control panel.
Recommended monthly and yearly maintenance tasks for the opener.
Chart detailing diagnostic codes, symptoms, causes, and resolutions.
Lists and illustrates parts for rail assembly and general installation.
Identifies components that make up the main motor unit of the opener.
Details optional accessories and the product's warranty coverage.
