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General| Brand | Craftsman |
|---|---|
| Model | 139.18473D |
| Category | Garage Door Opener |
| Language | English |
Explains safety symbols and signal words used in the manual.
Guides on assembling the rail and installing the trolley.
Instructions for attaching the rail to the motor unit.
Steps to install the idler pulley.
Details on installing the chain and cable.
Procedures for tightening the chain.
Crucial safety and general instructions for installation.
Guidance on finding the correct header bracket position.
Steps for installing the header bracket on the wall or ceiling.
Instructions for connecting the rail to the header bracket.
Guidance on positioning the opener unit correctly.
Steps to hang the opener securely to structural supports.
Instructions for installing the wall-mounted door control.
Information on electrical connections and grounding.
Installing and aligning the safety reversing sensors.
Instructions for attaching the door bracket to the door.
How to connect the door arm to the trolley.
Setting the door's open/close limits and motor force.
Performing tests to ensure the safety reversal system works.
Testing the safety reversing sensor system.
How to operate the opener with remotes and controls.
How to manually open the door if power is out.
Common problems and their solutions.
Recommended maintenance tasks and frequency.
Steps to program remotes to the opener.
Instructions for programming keyless entry systems.
Lists and identifies parts for the rail assembly.
Lists and identifies parts used during installation.
Lists and identifies parts for the motor unit.
Details on the emergency key release accessory.
Information on the outdoor key switch accessory.
Details of 3-function and compact remote controls.
Details on the keyless entry accessory.
Details of the product's limited warranty and restrictions.
