Tabla De Contenido; Introduction; Safety Symbol And Signal Word Review - LiftMaster MERIK SECURITY+ 790LMK Manual Del Propietário

TABLE OF CONTENTS
Introduction
Safety symbol and signal word review . . . . . . . . . . . . . . . . . . . . 2
Preparing your garage door . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Tools needed. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Planning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-6
Carton inventory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Hardware inventory. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Assembly
Assemble rail & attach the pulley bracket . . . . . . . . . . . . . . . .9-10
Install the trolley . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Fasten the rail to the motor unit . . . . . . . . . . . . . . . . . . . . . . . . 12
Install the chain and sprocket cover . . . . . . . . . . . . . . . . . . .13-14
Tighten the chain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Installation
Installation safety instructions . . . . . . . . . . . . . . . . . . . . . . . . . 15
Determine the header bracket location . . . . . . . . . . . . . . . . .16-17
Install the header bracket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Attach the rail to the header bracket . . . . . . . . . . . . . . . . . . . . . 19
Position the opener. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Hang the opener . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Install the door control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Install the lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Attach the emergency release rope and handle. . . . . . . . . . . . . 23
Electrical requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Fasten the door bracket. . . . . . . . . . . . . . . . . . . . . . . . . . . . .25-26
Connect the door arm to the trolley . . . . . . . . . . . . . . . . . . .27-28

INTRODUCTION

Safety Symbol and Signal Word 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.
Mechanical
Electrical
2-8 Adjustment
Program the travel limits. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Set the force . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Test the safety reversal system. . . . . . . . . . . . . . . . . . . . . . . . . 31
Operation
Operation safety instructions . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Using your garage door opener . . . . . . . . . . . . . . . . . . . . . . . . 32
9-15
Using the wall-mounted door control . . . . . . . . . . . . . . . . . . . . 33
To open the door manually . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Care of your garage door opener . . . . . . . . . . . . . . . . . . . . . . . 34
Having a problem? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34-35
Programming
To add or reprogram a hand-held remote control . . . . . . . . . . . 36
15-28
To erase all codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
3-button remote controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
To add, reprogram or change a Keyless Entry PIN . . . . . . . . . . 37
Repair Parts
Accessories
Service Numbers
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
29-31
32-35
36-37
38
39
40
40