Chamberlain 1240R - 1/4HP User Manuals

Table of Contents

• GARAGE DOOR OPENER Model Series 1200

  1
• TABLE OF CONTENTS

  2
• INTRODUCTION

  2
  • Safety Symbol and Signal Word Review

    2
  • Preparing your garage door

    3
  • Planning

    4
  • Carton Inventory

    6
  • Hardware Inventory

    7
• ASSEMBLY

  8
  • ASSEMBLY STEP 1 Fasten the Rail to the Motor Unit

    8
  • ASSEMBLY STEP 2 Attach the Chain to the Sprocket and Install the Sprocket Cover

    8
  • ASSEMBLY STEP 1 Fasten the Rail to the Motor Unit

    9
  • ASSEMBLY STEP 2 Attach the Chain Spreader and Re-install the Chain

    10
  • ASSEMBLY STEP 5 Tighten the Chain

    11
• INSTALLATION

  11
  • INSTALLATION STEP 1

    12
    • ONE-PIECE DOOR WITHOUT TRACK

      13
  • INSTALLATION STEP 2

    14
  • INSTALLATION STEP 3

    15
  • INSTALLATION STEP 4

    16
  • INSTALLATION STEP 5

    17
  • INSTALLATION STEP 6

    18
  • INSTALLATION STEP 7

    19
  • INSTALLATION STEP 8

    19
  • INSTALLATION STEP 9

    20
  • INSTALLATION STEP 10

    21
    • INSTALLING THE BRACKETS

      22
    • MOUNTING AND WIRING THE SAFETY SENSORS

      23
  • INSTALLATION STEP 11

    24
    • ONE-PIECE DOORS

      25
  • INSTALLATION STEP 12

    26
    • ALL ONE-PIECE DOORS

      27
• ADJUSTMENT

  28
  • ADJUSTMENT STEP 1

    28
  • ADJUSTMENT STEP 2

    29
  • ADJUSTMENT STEP 3

    30
• OPERATION

  31
  • Using the Wall-Mounted Door Control

    32
  • Care of Your Opener/Having a Problem?

    33
  • Having a Problem? (Continued)

    34
• PROGRAMMING

  35
  • To Add or Reprogram an Additional Hand-held Remote Control

    35
  • To Add, Reprogram or Change a Keyless Entry PIN

    36
• REPAIR PARTS

  37
  • Rail Assembly Parts

    37
  • Installation Parts

    37
  • Motor Unit Assembly Parts

    38
• ACCESSORIES

  39
• LIFTMASTER SERVICE IS ON CALL/HOW TO ORDER REPAIR PARTS

  40
• WARRANTY

  40