Chamberlain 1345M User Manual

The Chamberlain Group, Inc.
845 Larch Avenue
Elmhurst, Illinois 60126-1196
www.liftmaster.com
GARAGE DOOR OPENER
Model Series 1300
For Residential Use Only
Owner’s Manual
■ Please read this manual and the enclosed safety materials carefully!
■ Fasten the manual near the garage door after installation.
■ The door WILL NOT CLOSE unless the Protector System
®
is connected and properly
aligned.
■ Periodic checks of the opener are required to ensure safe operation.
■ The model number label is located on the front panel of your opener.
®
Model 1356M - 1/2HP
Model 1346M - 1/3HP
Model 1355M - 1/2HP
Model 1345M - 1/3HP

Chamberlain 1345M Specifications

General

Type	Chain Drive
Horsepower	1/2 HP
Warranty	1-year
Frequency	60 Hz
Voltage	120V
Security	Rolling Code
Battery Backup	No
Drive System	Chain Drive

Summary

Introduction and Safety

Safety Symbol and Signal Word Review

Explains safety symbols and signal words used in the manual.

Preparation

Preparing Your Garage Door

Instructions for ensuring the garage door is balanced and ready for opener installation.

Tools Needed

Lists the required hand tools for assembly and installation.

Planning

Planning Your Installation

Guidance on surveying the garage area and identifying installation requirements.

Sectional Door Installations

Specific planning considerations for sectional garage doors.

Inventory

Carton Inventory

Lists all parts included in the opener packaging.

Hardware Inventory

Details all installation hardware provided with the opener.

Assembly Step 1 & 2

Fasten Rail to Motor Unit

Instructions for attaching the rail assembly to the motor unit.

Attach Chain and Sprocket Cover

Steps for connecting the chain to the sprocket and installing the cover.

Assembly Step 3

Fasten Rail to Motor Unit

Instructions for attaching the rail assembly to the motor unit for specific models.

Assembly Step 4

Attach Chain Spreader and Re-install Chain

Steps for attaching the chain spreader and re-installing the chain.

Assembly Step 5

Tighten the Chain

Procedure for properly tensioning the drive chain.

Installation Step 1

Determine Header Bracket Location

Guidance on locating and marking the header bracket mounting position.

Installation Step 2

Install the Header Bracket

Instructions for mounting the header bracket to the wall or ceiling.

Installation Step 3

Attach the Rail to the Header Bracket

Steps for connecting the opener rail to the header bracket.

Installation Step 4

Position the Opener

How to correctly position the opener rail for sectional and one-piece doors.

Installation Step 5

Hang the Opener

Steps for securely hanging the opener unit using brackets.

Installation Step 6

Install the Door Control

Instructions for wiring and mounting the wall-mounted door control.

Installation Steps 7 & 8

Install the Light and Lens

Instructions for installing the light bulb and protective lens.

Attach Emergency Release Rope and Handle

Steps for attaching the emergency release rope and handle.

Installation Step 9

Electrical Requirements

Guidelines for connecting the opener to electrical power.

Installation Step 10

Install The Protector System®

Guidance on installing and aligning the safety reversing sensors.

Installation Step 11

Fasten the Door Bracket

How to attach the door bracket to the garage door.

Installation Step 12

Connect Door Arm to Trolley

Steps for connecting the door arm to the opener trolley.

Adjustment Step 1

Adjust UP and DOWN Travel Limits

How to set the points where the door stops opening and closing.

Adjustment Step 2

Adjust the Force

How to set the motor force for opening and closing the door.

Adjustment Steps 3 & 4

Test the Safety Reversal System

Performing the safety test to ensure the door reverses on obstruction.

Test the Protector System®

Verifying the functionality of the safety reversing sensors.

Operation

Using Your Garage Door Opener

Basic operation using remote and wall controls.

To Open the Door Manually

How to operate the door without power using the release handle.

Maintenance and Troubleshooting

Care of Your Opener

Routine maintenance, limit/force adjustments, and battery replacement.

Having a Problem?

Troubleshooting common issues with the opener's operation.

Programming

Add or Reprogram Remote Control

Instructions for programming additional remote controls to the opener.

Keyless Entry PIN Management

Steps for managing the Keyless Entry PIN for access.

Parts and Support

Repair Parts

Lists available rail and installation parts with part numbers.

Accessories

Lists optional accessories for the garage door opener.

Limited Warranty

Details the product's warranty coverage and terms.