Garage Door Opener
Owner’s Manual
FOR RESIDENTIAL USE ONLY
1/2HP
Model 501M - 1/2HP
CAUTION! PLEASE READ THIS MANUAL CAREFULLY!
The MODEL NUMBER label is located on the front panel of your opener.
CONTENTS
PAGE
Safety Rules ................................................................2
Features of Your Opener .............................................3
Specifications ..............................................................3
You'll Need Tools.........................................................3
Completed Installation Illustration................................4
Operation of Your Opener ...........................................5
Accessories .................................................................5
Care & Maintenance of Your Opener ..........................6
Assembly Instructions..................................................7
Installation Instructions ..............................................10
Travel Limit Adjustments ...........................................20
CONTENTS
PAGE
Force Adjustments ......................................................21
Safety Reverse Test....................................................22
The Protector System™ ..............................................22
Code Programming Instructions..................................23
Having a Problem?......................................................24
Carton Contents & Hardware Illustrated .....................26
Repair Parts, Rail Assembly .......................................26
Repair Parts, Installation .............................................26
Repair Parts, Opener Assembly..................................27
How To Order Repair Parts.........................................28
Warranty......................................................................28
FASTEN THIS MANUAL NEAR THE GARAGE DOOR AFTER INSTALLATION.
PERIODIC CHECKS OF THE OPENER ARE REQUIRED TO INSURE SATISFACTORY OPERATION.