Chamberlain 3265 User Manual

The Chamberlain Group, Inc.
845 Larch Avenue
Elmhurst, Illinois 60126-1196
www.liftmaster.com
GARAGE DOOR OPENER
Models 3265M 1/2 HP
3265M-267 1/2 HP
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.
®

Chamberlain 3265 Specifications

General

Type	Chain Drive
Horsepower	1/2 HP
Remote Control	Yes
Voltage	120V
Frequency	60 Hz
Security	Rolling Code Technology
Remote Controls Included	2
Safety Features	Safety sensors
Drive System	Chain Drive

Summary

Initial Setup and Preparation

Preparing Your Garage Door

Steps to ensure the garage door is ready for opener installation.

Planning and Inventory Check

Identify door type, plan layout, verify carton contents.

Opener Assembly and Installation

Assembling Rail and Chain

Connect rail to motor unit, attach and tension chain.

Header Bracket and Rail Setup

Install header bracket and attach opener rail to it.

Mounting Opener, Controls, and Safety Features

Secure motor unit, install controls, sensors, light, and release.

Door Bracket and Arm Connection

Attach door bracket and connect door arm to trolley.

Adjustment, Operation, and Troubleshooting

Adjusting Travel Limits and Force

Set door open/close points and force for safe operation.

Testing Safety Systems

Verify safety reversal and protector systems function correctly.

Operating the Garage Door Opener

Use opener via remote, wall control, and manual release.

Problem Diagnosis and Solutions

Use diagnostic codes and troubleshoot common issues.

Maintenance, Programming, and Parts

Routine Maintenance and Battery Replacement

Schedule for lubrication, tension checks, and remote battery replacement.

Programming Remotes and Keypads

Add or erase remote controls and keyless entry PINs.

Repair Parts Identification

Lists of rail assembly and installation parts with part numbers.

Warranty and Service

Service Contact and Warranty Information

Service contact details and product limited warranty.