Sears 139.18847 User Manual
Garage door opener 1/2 hp owner’s manual
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GARAGE DOOR OPENER
1/2 HP
OWNER’S
MANUAL
Model No.
139.18847
139.18857
For Residential Use
Only
Caution:
Read and follow all
safety rules and
operating instructions
before first use of this
product.
Fasten the manual
near the garage door
after installation.
The Chamberlain Group, Inc.
Cover - SEARS
4/16/92
®
■
Safety Precautions
■
Assembly
■
Installation
■
Adjustment
■
Care and Maintenance
■
Operation
■
Troubleshooting
■
Parts List
®
MD
®
MD
Sears Canada, Inc., Toronto, Ontario M5B 2B8
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This manual is related to the following products:
Table of contents
Document Outline
- Owner's Manual
- Contents
- You'll Need Tools
- Safety Alert Symbols
- SECTIONAL Door Installation
- ONE-PIECE Door Installation
- Opener Carton Inventory
- Hardware Kits
- Assembly Section
- Installation Section
- Determine Header Bracket Location
- Install Header Bracket
- Attach T-rail to Header Bracket
- Position the Opener
- Hang the Opener
- Install Door Control
- Install the Lights and Lenses
- Attach Emergency Release Rope and Handle
- Electrical Requirements
- The Safety Reversing System
- Install Safety Reversing Sensor
- Fasten Door Bracket
- Connect Door Arm to Trolley
- SECTIONAL Doors Only
- ALL ONE-PIECE Doors
- Adjustment Section
- IMPORTANT SAFETY INSTRUCTIONS
- Care of Your Opener
- Operation of Your Opener
- Receiver and Remote Control Programming
- Having a Problem?
- Repair Parts
- Accessories
- Index
- How to Order Repair Parts
- Warranty