Chamberlain 248735S 3/4 HP

Contents

Main GARAGE DOOR OPENER Model 248735S 3/4 HP For Residential Use Only Owners Manual TABLE OF CONTENTS INTRODUCTION Safety Symbol and Signal Word Review Introduction 2-7 Assembly 8-11 Preparing your garage door Tools needed Planning SECTIONAL DOOR INSTALLATIONS SECTIONAL DOOR INSTALLATION Planning (Continued) ONE-PIECE DOOR INSTALLATIONS ONE-PIECE DOOR WITH TRACK ONE-PIECE DOOR WITHOUT TRACK Carton Inventory Page ASSEMBLY STEP 1 Assemble the Rail & Install the Trolley ASSEMBLY STEP 2 Fasten the Rail to the Motor Unit ASSEMBLY STEP 3 Install the Idler Pulley Page Page INSTALLATION STEP 1 Determine the Header Bracket Location INSTALLATION STEP 2 Install the Header Bracket WALL HEADER BRACKET INSTALLATION CEILING HEADER BRACKET INSTALLATION INSTALLATION STEP 3 Attach the Rail to the Header Bracket INSTALLATION STEP 4 Position the Opener SECTIONAL DOOR OR ONE-PIECE DOOR WITH TRACK INSTALLATION STEP 5 Hang the Opener INSTALLATION STEP 6 Install the Door Control INSTALLATION STEP 7 Install the Lights INSTALLATION STEP 8 Attach the Emergency Release Rope and Handle INSTALLATION STEP 9 Electrical Requirements INSTALLATION STEP 10 Install The Protector System IMPORTANT INFORMATION ABOUT THE SAFETY REVERSING SENSOR Installing the Brackets MOUNTING AND WIRING THE SAFETY REVERSING SENSORS ALIGNING THE SAFETY REVERSING SENSORS TROUBLESHOOTING THE SAFETY REVERSING SENSORS INSTALLATION STEP 11 Fasten the Door Bracket SECTIONAL DOORS ONE-PIECE DOORS Page Page ADJUSTMENT STEP 1 Adjust the UP and DOWN Travel Limits HOW AND WHEN TO ADJUST THE LIMITS ADJUSTMENT STEP 2 Adjust the Force HOW AND WHEN TO ADJUST THE FORCES ADJUSTMENT STEP 3 Test the Safety Reversal System TEST ADJUST IMPORTANT SAFETY CHECK: IMPORTANT SAFETY INSTRUCTIONS To reduce the risk of SEVERE INJURY or DEATH: INSTRUCTIONS. WARNING WARNING WARNING WARNING Page Page Having a Problem? Diagnostic Chart 1 FLASH 3 FLASHES 4 FLASHES 6 FLASHES OR PROGRAMMING To Add or Reprogram a Hand-held Remote Control USING THE LEARN BUTTON USING THE DOOR CONTROL *3-Button Remotes 315 MHz To Erase All Codes From Motor Unit Memory To Add, Reprogram or Change a Keyless Entry PIN USING THE LEARN BUTTON USING THE DOOR CONTROL REPAIR PARTS Page ACCESSORIES HOW TO ORDER REPAIR PARTS 1-800-528-9131 CHAMBERLAIN SERVICE IS ON CALL 1-800-528-9131