CONTENTS
Preparation . . . . . . . . . . . . . . . .1-4
Assembly . . . . . . . . . . . . . . . . .5-9
Installation . . . . . . . . . . . . . . 10-27
Adjustments . . . . . . . . . . . . . 28-30
MyQ
®
Smartphone Control
Get Connected . . . . . . . . . . . . . . 31
Operation . . . . . . . . . . . . . . . 32-36
Maintenance . . . . . . . . . . . . . . . 37
Troubleshooting. . . . . . . . . . . 38-39
Accessories. . . . . . . . . . . . . . . . 40
Warranty. . . . . . . . . . . . . . . . . . 41
Repair Parts . . . . . . . . . . . . . 42-43
The Chamberlain Group, Inc.
845 Larch Avenue
Elmhurst, Illinois 60126-1196
Model HD750WF
FOR RESIDENTIAL USE ONLY
3/4 hps
*
Belt Drive
Garage Door Opener with
MyQ
®
Smartphone Control
■
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 garage door opener are required to ensure safe operation.
■
The model number label is located on the left side panel of your garage door
opener.
■
This garage door opener is compatible with MyQ
®
and S
2.0
®
accessories.
■
DO NOT install on a one-piece door if using devices or features providing
unattended close. Unattended devices and features are to be used ONLY with
sectional doors.
www.chamberlain.com
www.mychamberlain.com
* Horsepower similar (hps) designates that this garage
door opener system meets Chamberlain’s pulling force
specification for a 3/4 horsepower garage door opener.
Write down the MyQ
®
serial number
located on the garage door opener:
