用户手册目录GARAGE DOOR OPENER Models 2280/2280-267/2280-9761TABLE OF CONTENTS2INTRODUCTION2Safety Symbol and Signal Word Review2Preparing your garage door3Tools needed3Planning4Carton Inventory5ASSEMBLY6Attach the Rail to the Motor Unit6Set the Belt Tension6Attach the Belt Cap Retainer7INSTALLATION7Determine the Header Bracket Location8Install the Header Bracket9Attach the Rail to the Header Bracket10Position the Opener11Hang the Opener12Install the Door Control13Install the Light14Attach the Emergency Release Rope and Handle14Electrical Requirements15Install The Protector System16Fasten the Door Bracket19Connect Door Arm to Trolley21ADJUSTMENT23Adjust the UP and DOWN Travel Limits23Adjust the Force24Test the Safety Reversal System25Test the Protector System25OPERATION26Using Your Garage Door Opener26Using the Wall-Mounted Door Control27To Open the Door Manually27CARE OF YOUR OPENER28HAVING A PROBLEM?29DIAGNOSTIC CHART30PROGRAMMING31To Add or Reprogram Hand-held Remote Control31To Add, Reprogram or Change a Keyless Entry PIN32REPAIR PARTS33Rail Assembly Parts33Installation Parts33Motor Unit Assembly Parts34ACCESSORIES35LIFTMASTER SERVICE IS ON CALL/HOW TO ORDER REPAIR PARTS36WARRANTY36文件大小: 2.4 MB页数: 36Language: English打开用户手册