LiftMaster 1120E-1/2HP Manuals

CONTENTS PAGE Safety Rules ................................................................2 Features of Your Opener.............................................3 Specifications ..............................................................3 You'll Need Tools.........................................................3 Completed Installation Illustration ..........................4 - 5 Carton Inventory ..........................................................6 Hardware Inventory .....................................................7 Assembly Section.................................................8 - 12 Installation Section .............................................13 - 22 Travel Limit Adjustments ...........................................23 Force Adjustments.....................................................24 CONTENTS PAGE Test the Safety Reverse System.................................25 The Protector System™..............................................26 Receiver & Remote Control Programming..................26 Operation of Your Opener...........................................27 Accessories.................................................................27 Care & Maintenance of Your Opener..........................28 Having a Problem? ..............................................29 - 30 Repair Parts, Opener Assembly..................................31 How To Order Repair Parts.........................................32 Warranty......................................................................32 Garage Door Opener Owner’s Manual FOR RESIDENTIAL USE ONLY The Chamberlain Group, Inc. 845 Larch Avenue Elmhurst, Illinois 60126-1196 © © Model 1120E – 1/2HP Model 1110E – 1/2HP I Please read this manual and the enclosed safety materials carefully! I Fasten the manual near the garage door after installation. I Periodic checks of the opener are required to ensure safe operation. I The model number label is located on the front panel of your opener.