User Manuals: Overhead door 321 Series Garage Opener

Manuals and User Guides for Overhead door 321 Series Garage Opener. We have 1 Overhead door 321 Series Garage Opener manual available for free PDF download: Installation Instructions Manual

Overhead door 321 Series Installation Instructions Manual

Overhead door 321 Series Installation Instructions Manual (31 pages)

RESIDENTIAL SECTIONAL GARAGE DOOR

Brand: Overhead door | Category: Garage Door Opener | Size: 6 MB

Table of Contents

Table of Contents
1
Warnings and Safety Information
2
How to Use These Instructions
3
General Notes, Tools Needed
4
Parts Identification and Key Drawings (Door, Sections)
5
1 Assemble Track

6
4 Preparing the Opening

10
- Door Section Installation
  11
5 Stack Sections in Opening

11
6 Install Vertical Track

12
- Extension Springs
  13
7 Install Horizontal Track

12
8 Install Counterbalance

13
- Torsion Springs
  16
9 Install Backhang

20
10 Final Adjustments

21
- Installing Optional Accessories
  22
  - Drawbar Plate, Locks and Step Plate
    22
- Low Headroom Track
  29
- Track Angle Support
  29
- Warranty
  31

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