Chamberlain CG40 User Manual
Garage door opener, Owner’s manual, Series cg40 1/2 hp
The Chamberlain Group, Inc.
845 Larch Avenue
Elmhurst, Illinois 60126-1196
www.chamberlaingroup.com
GARAGE DOOR OPENER
Series CG40
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 end panel of your opener.
®
Table of contents
Document Outline
- Owner's Manual
- WARNING
- You'll Need Tools
- Carton Inventory
- Assembly
- Installation
- Determine Header Bracket Location
- Install the Header Bracket
- Attach the T-rail to the Header Bracket
- Position the Opener
- Hang the Opener
- Install the Door Control
- Install the Light & the Lens
- Attach the Manual Release Rope & Handle
- Electrical Requirements
- Install the Safety Reversing Sensor
- Fasten Door Bracket
- Connect Door Arm to Trolley
- Adjustment
- Care of Your Opener
- Operation of Your Opener
- Programming
- Having a Problem?
- Repair Parts
- Accessories
- WARRANTY