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Craftsman
Garage Door Opener
139.53491SRT
Craftsman 139.53491SRT User Manual
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1/2 HP
GARA
GE DOOR OPENER
O
WNER’S
MANU
AL
Model No.
139.53491SR
T
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.
Liftmaster Model Screw Drive
# 114A1794
Cover Illustration
5/3/94 - 6/14/94 - 10/18/94
Complies with UL 325
regulations effective
January 1, 1993
®
®
®
®
■
Safety Precautions
■
Assembl
y
■
Installation
■
Adjustment
■
Care and Maintenance
■
Operation
■
T
roub
leshooting
■
P
arts List
®
Sears, Roebuck and Co., Hoffman Estates, IL 60179 U.S.A.
2
Table of Contents
Default Chapter
2
Safety Alert Symbol Review
2
Table of Contents
2
Warning Caution
3
Safety Information, Precautions, Tools
3
Testing Your Garage Door for Binding & Balance
3
Carton Inventory
4
Assembly Hardware
5
Installation Hardware
5
Hardware Inventory
5
Illustration of Sectional Door Installation
6
Illustration of One-Piece Door Installation
7
Assembly Section: Pages
8
Assemble the Rail
8
Fasten Rail to Power Unit
10
Install the Trolley
10
Attach the Rail Brackets
11
Installation Safety Instructions
11
Important Installation Instructions
11
Installation Section: Pages
12
Determine the Header Bracket Location
12
Sectional Door
12
One-Piece Door
13
Install the Header Bracket
14
Attach the Rail to the Header Bracket
15
Safety Reversing Sensor Information
16
Install the Safety Reversing Sensor
17
Position the Opener
19
Hang the Opener
20
Install the Door Control and Connect All Wires
21
Electrical Requirements
22
Complete the Safety Reversing Sensor Installation
22
Install the Lights and Lens
23
Attach the Emergency Release Rope and Handle
23
Fasten the Door Bracket (Sectional Door)
24
Fasten the Door Bracket (One-Piece Door)
25
Connect Door Arm to Trolley (Sectional Door)
26
Connect Door Arm to Trolley (One-Piece Door)
27
Connect the Door Arm to the Trolley
27
Adjustment Section: Pages
28
Travel Limit Adjustments
28
Adjust the up and down Limits
28
Force Adjustments
29
Test the Safety Reversing Sensor
30
Test the Safety Reverse System
30
Operation Safety Instructions
31
Important Safety Instructions
31
Care of Your Opener
31
Maintenance Schedule
31
Operation of Your Opener
32
Receiver & Remote Control Programming
33
Troubleshooting
34
Repair Parts, Rail Assembly
36
Repair Parts, Installation
36
Rail Assembly Parts
36
Installation Parts
36
Repair Parts, Power Unit
37
Opener Assembly Parts
37
Accessories
38
Index
39
How to Order Repair Parts
40
Warranty
40
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Craftsman 139.53491SRT Specifications
General
Brand
Craftsman
Model
139.53491SRT
Category
Garage Door Opener
Language
English
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