Table Of Contents; Introduction; Safety Symbol Review And Signal Word Review - Chamberlain LiftMaster Security+ 2500B Owner's Manual

TABLE OF CONTENTS

Introduction
Safety symbol review and signal word review ............2
Preparing your garage door ........................................3
Tools ............................................................................3
Planning .....................................................................4
Carton inventory ..........................................................5
Hardware inventory .....................................................5
Assembly
Fasten rail to the motor unit ........................................6
Set the belt tension .....................................................6
Attach the belt cap retainer .........................................7
Installation
Installation safety instructions .....................................7
Determine the header bracket location....................8-9
Install the header bracket..........................................10
Attach the rail to the header bracket .........................11
Position the opener ...................................................12
Hang the opener .......................................................13
Install the door control...............................................14
Install the lights and lens...........................................15
Attach the emergency release rope and handle .......15
Electrical requirements..............................................16
Install The Protector System
Fasten the door bracket .......................................20-21
Connect the door arm to the trolley .....................22-23

INTRODUCTION

Safety Symbol Review
This garage door opener has been designed and tested to offer safe service provided it is installed, operated,
maintained and tested in strict accordance with the instructions and warnings contained in this manual.
WARNING
Mechanical
CAUTION
WARNING
WARNING
Electrical
WARNING
CAUTION
2-5
6-7
7-23
..............................17-19
®
Adjustment
Program the travel limits ...........................................24
Setting the force ........................................................25
Test the safety reversal system.................................26
Test The Protector System
Operation
Operation safety instructions.....................................27
Using your garage door opener ................................27
Using the door control ...............................................28
To open the door manually........................................28
Care of your garage door opener..............................29
Having a problem?...............................................29-30
Programming
To add or reprogram a hand-held remote control .....31
To erase all codes .....................................................31
3-Button Remotes .....................................................31
To add, reprogram or change
a Keyless Entry PIN ..................................................32
Repair Parts
Rail assembly parts...................................................33
Installation parts ........................................................33
Motor unit assembly parts .........................................34
Accessories
Repair Parts and Service
Warranty
When you see these Safety Symbols and Signal
Words on the following pages, they will alert you to
the possibility of serious injury or death if you do
not comply with the warnings that accompany them.
The hazard may come from something mechanical
or from electric shock. Read the warnings carefully.
When you see this Signal Word on the following
pages, it will alert you to the possibility of damage to
your garage door and/or the garage door opener if
you do not comply with the cautionary statements
that accompany it. Read them carefully.
2
24-26
......................................26
®
27-30
31-32
33-34
WARNING
WARNING
WARNING
WARNING
35
36
36