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Craftsman 139.18056 User Manual

Craftsman 139.18056
80 pages
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®
K
G
K
G
1
2
3
1/3 HP
1/2 HP
GARAGE DOOR OPENER
For Residential Use Only
Models:
139.18054 139.18056 139.18654 139.18656
139.18673 139.18674 139.18973 139.18974
MD
Sears Canada, Inc., Toronto, Ontario M5B 2B8
www.sears.com/craftsman
CAUTION:
Read and follow all safety rules
and operating instructions before
first use of this product.
Fasten the manual near the garage
door after installation.
Owner’s Manual
ENGLISH
Safety Precautions
Assembly
Installation
Adjustment
Maintenance
Operation
Troubleshooting
Parts List

Table of Contents

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Craftsman 139.18056 Specifications

General IconGeneral
TypeChain Drive
Horsepower1/2 HP
Remote ControlYes
Frequency60 Hz
Voltage120V
Remote Controls Included1

Summary

Introduction

Preparing Your Garage Door

Planning Your Installation

Assemble Rail and Install Trolley

Fasten Rail to Motor Unit

Install Chain, Cable, and Sprocket Cover

Tighten the Garage Door Opener Chain

Garage Door Opener Installation

Determine Header Bracket Location

Locates and marks the mounting position for the header bracket.

Install the Header Bracket

Mounts the header bracket to the wall or ceiling structure.

Electrical Requirements and Wiring

Covers proper electrical connections and grounding.

Install Safety Reversing Sensor

Mounts and wires the safety sensors for obstacle detection.

Fasten the Door Bracket

Attaches the door bracket to the garage door.

Connect Door Arm to Trolley

Joins the door arm sections and connects to the trolley.

Garage Door Opener Adjustment

Adjust UP and DOWN Travel Limits

Sets the open and close travel limits for the door.

Adjust Force Controls

Sets the force required to open and close the door.

Test Safety Reversal System

Verifies the door reverses upon encountering an obstruction.

Operation

Using Your Garage Door Opener

Explains how to operate the opener with remotes and controls.

Care and Maintenance

Troubleshooting Common Problems

Opener Does Not Operate

Diagnoses issues when the opener won't respond to controls.

Programming Your Garage Door Opener

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