Table Of Contents; Introduction; Safety Symbolreview And Signal Wordreview - Craftsman 139.53939D Owner's Manual

TABLE OF CONTENTS
Introduction 2-7
Safety symbol review and signal word review................ 2
Preparing your garage door ............................. 3
Tools needed......................................... 3
Planning .......................................... 4-5
Carton inventory ...................................... 6
Hardware inventory.................................... 7
Assembly 8-11
Assemble the rail and install the trolley ..................... 8
Fastenthe rail to the motor unit .......................... 9
Install the idler pulley .................................. 9
Install the belt and attach the belt cap retainer .............. 10
Set the tension ...................................... 11
Installation 11-26
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 battery .................................... 18
Install the lights ..................................... 18
Attach the emergency releaserope and handle.............. 19
Electrical requirements ................................ 19
Install The Protector System®........................ 20-22
Fastenthe door bracket............................. 23-24
Connect the door arm to the trolley ................... 25-26
Adjustment 27-29
Program the travel limits ............................... 27
Setting the force ..................................... 28
Test the safety reversal system .......................... 29
Test The Protector System_ ............................ 29
Operation 30-36
Operation safety instructions ........................... 30
Using your garage door opener ......................... 30
Using the wall-mounted door control ..................... 31
Careof your opener .................................. 32
To open the door manually ............................. 32
Battery backup ...................................... 33
Having a problem (Troubleshooting) ..................... 34
Diagnostic chart ..................................... 35
Smart Control Paner messages ......................... 36
Programming 37
To add or reprogram a hand-held remote control ............ 37
To erase all codes from motor unit memory ................ 37
3-Function remotes................................... 37
Repair Parts 38-39
Rail assembly parts ................................... 38
Installation parts ..................................... 38
Motor unit assembly parts ............................. 39
Accessories 40
Warranty 40
Notes 41
Repair Parts & Service Back Cover
INTRODUCTION
Safety SymbolReview and Signal WordReview
This garage door opener has been designed and tested to offer safe service provided it is installed, operated, maintained and tested in
strict accordancewith the instructions and warnings contained in this manual.
Mechanical
Electrical
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. Readthe 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. Readthem carefully.