Chamberlain 3585-100 3/4 HP User Manual

The Chamberlain Group, Inc.
845 Larch Avenue
Elmhurst, Illinois 60126-1196
www.liftmaster.com
GARAGE DOOR OPENER
Models 3585 3/4 HP
3585-100 3/4 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 under the light lens on the left side
panel of your opener.
®

Chamberlain 3585-100 3/4 HP Specifications

General

Horsepower	3/4 HP
Drive Type	Chain Drive
Max Lift Height	7 feet
Remote Control	Yes
Speed	7 inches per second
Security	Rolling Code Technology
Battery Backup	No

Summary

Introduction

Safety Symbol and Signal Word Review

Explains safety symbols and signal words used in the manual for hazard identification.

Preparing Your Garage Door

Planning

Assembly Step 1: Attach the Rail to the Motor Unit

Assembly Step 2: Set the Belt Tension

Assembly Step 3: Attach the Belt Cap Retainer

Important Installation Instructions

Installation Step 1: Determine the Header Bracket Location

Installation Step 2: Install the Header Bracket

Installation Step 3: Attach the Rail to the Header Bracket

Installation Step 4: Position the Opener

Installation Step 5: Hang the Opener

Installation Step 6: Install the Door Control

Installation Step 8: Attach the Emergency Release Rope and Handle

Installation Step 9: Electrical Requirements

Installation Step 10: Install The Protector System®

Installing the Brackets

Mounting and Wiring the Safety Sensors

Aligning the Safety Sensors

Steps for properly aligning the safety sensors to ensure correct operation and indicator light function.

Installation Step 11: Fasten the Door Bracket

One-Piece Doors: Door Bracket Installation

Installation Step 12: Connect Door Arm to Trolley

All One-Piece Doors: Assemble Door Arm and Adjust Limits

Adjustment Step 1: Adjust the UP and DOWN Travel Limits

Adjustment Step 2: Adjust the Force

Adjustment Step 3: Test the Safety Reversal System

Adjustment Step 4: Test The Protector System®

Operation

Using Your Garage Door Opener

Using the Wall-Mounted Door Control

To Open the Door Manually

Troubleshooting Common Problems

Diagnostic Chart

Lists flash codes from the diagnostic LED and their corresponding symptoms and solutions.

Programming

To Add or Reprogram a Hand-held Remote Control

To Erase All Codes From Motor Unit Memory

To Add, Reprogram or Change a Keyless Entry PIN