Craftsman 139.18452D Manuel D'instructions page 2

TABLE OF CONTENTS
Introduction
Safety symbol and signal word review........................2
Preparing your garage door ........................................3
Tools needed ...............................................................3
Planning ..................................................................4-5
Carton inventory ..........................................................6
Hardware inventory .....................................................7
Assembly
Assemble the rail and install the trolley ......................8
Fasten the rail to the motor unit and
install the idler pulley...................................................9
Install the chain/cable................................................10
Tighten the chain .......................................................11
Installation
Installation safety instructions....................................11
Determine the header bracket location .....................12
Install the header bracket..........................................13
Attach the rail to the header bracket.........................14
Position the opener ...................................................15
Hang the opener .......................................................16
Install the door control...............................................17
Install the light ...........................................................18
Attach the emergency release rope and handle .......18
Electrical requirements..............................................19
Install The Protector System
Fasten the door bracket .......................................23-24
Connect the door arm to the trolley .....................25-26
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.
WARNING
Mechanical
CAUTION
WARNING
WARNING
WARNING
CAUTION
11-26
® ..............................20-22
Electrical
2-7 Adjustment
Adjust the travel limits ...............................................27
Adjust the force .........................................................28
Test the safety reversal system.................................29
Test The Protector System
Operation
Operation safety instructions.....................................30
8-11
Using your garage door opener ................................30
Using the wall-mounted Door Control .......................31
To open the door manually........................................31
Care of your garage door opener..............................32
Having a problem? ....................................................33
Diagnostic chart.........................................................34
Programming
To add or reprogram a hand-held remote control .....35
To erase all codes .....................................................35
3-Function Remotes ..................................................35
To add, reprogram or change
a Keyless Entry PIN ..................................................36
Repair Parts
Rail assembly parts...................................................37
Installation parts ........................................................37
Motor unit assembly parts .........................................38
Accessories
Warranty
Repair Parts and Service
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
27-29
......................................29
®
30-34
35-36
37-38
WARNING
WARNING
WARNING
WARNING
39
39
40