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Craftsman
Garage Door Opener
139.18847
Craftsman 139.18847 User Manual
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GARA
GE DOOR OPENER
1/2 HP
O
WNER’S
MANU
AL
Model No.
139.18847
139.18857
For Residential Use
Only
Caution:
Read and f
ollow all
safety rules and
operating instructions
bef
ore first use of this
pr
oduct.
F
asten the manual
near the garage door
after installation.
The Chamberlain Group, Inc.
Cover - SEARS
4/16/92
®
■
Safety Precautions
■
Assembl
y
■
Installation
■
Adjustment
■
Care and Maintenance
■
Operation
■
T
roub
leshooting
■
P
arts List
®
MD
®
MD
Sears Canada, Inc., T
oronto, Ontario M5B 2B8
2
Table of Contents
Default Chapter
2
Table of Contents
2
A Review of Safety Alert Symbols
2
You'll Need Tools
3
Safety Information Regarding Garage Door Locks and Ropes
3
Testing Your Garage Door for Sticking, Binding and Balance
3
Illustration of Sectional Door Installation
4
Illustration of One-Piece Door Installation
5
Carton Inventory
6
Hardware Inventory
7
Assembly Section: Pages
8
Assemble T-Rail
8
Attach Cable Pulley Bracket
8
Install Trolley
9
Fasten T-Rail to Opener
9
Install Chain/Cable
10
Attach Sprocket Cover
10
Tighten the Chain and Cable
11
Installation Safety Instructions
11
Installation Section
11
Installation Section: Pages
12
Determine Header Bracket Location Sectional Door
12
One-Piece Door
13
Install the Header Bracket
14
Attach the T-Rail to Header Bracket
15
Position the Opener
16
Hang the Opener
17
Install the Door Control
18
Install the Lights and Lenses
19
Attach the Emergency Release Rope and Handle
19
Electrical Requirements
20
Safety Reversing Sensor Information
21
Install the Safety Reversing Sensor
22
Fasten Door Bracket (Sectional Door)
24
Fasten Door Bracket (One-Piece Door)
25
Connect Door Arm to Trolley (Sectional Door)
26
Connect Door Arm to Trolley (One-Piece Door)
27
Adjustment Section: Pages
28
Travel Limit Adjustments
28
Force Adjustments
29
Test the Safety Reversing Sensor
30
Test the Safety Reverse System
30
Operation Safety Instructions
31
Care of Your Opener
31
Maintenance Schedule
31
Operation of Your Opener
32
Receiver and Remote Control Programming
33
Having a Problem
34
Repair Parts, Rail Assembly
36
Repair Parts, Installation
36
Rail Assembly Parts
36
Installation Parts
36
Repair Parts, Opener Assembly
37
Opener Assembly Parts
37
Accessories
38
Index
39
How to Order Repair Parts
40
Maintenance Agreement
40
Warranty
40
4
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Craftsman 139.18847 Specifications
General
Brand
Craftsman
Model
139.18847
Category
Garage Door Opener
Language
English
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