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Garage Door Opener
Craftsman 139.18887
Sears Craftsman 139.18887 - User Manual
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1/2 HP
GARAGE DOOR OPENER
OWNER’S
MANUAL
Model No.
139.18887
139.18897
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.
■
Safety Precautions
■
Assembly
■
Installation
■
Adjustment
■
Care and Maintenance
■
Operation
■
T
roubleshooting
■
Parts List
S
ea
rs
B
est
®
Sears Canada, Inc., T
oronto, Ontario M5B 2B8
®
2
Table of Contents
Main Page
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 Belt Pulley Bracket
8
Install Trolley
9
Fasten T-Rail to Opener
9
Install Belt
10
Set the Belt Tension
10
Attach Belt Cap Retainer
11
Installation Safety Instructions
11
Installation Section: Pages
12
Determine Header Bracket Location
12
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 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
Repair Parts, Opener Assembly
37
Accessories
38
Index
39
How to Order Repair Parts
40
Maintenance Agreement
40
Warranty
40
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Sears Craftsman 139.18887 Specifications
General
Brand
Sears
Model
Craftsman 139.18887
Category
Garage Door Opener
Language
English
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