410440-0001
7/14/06
© OVERHEAD DOOR CORPORATION
Contents
Warnings and Safety Information . . . . . . . . . . . . . . . . . . . . . 2
How to Use these Instructions.......................3
General Notes, Tools Needed........................4
Parts Identification and . . . . 5
Preparing for Installation
1. Assemble Track...............................6
2. Pre-assemble Spring System . . . . . . . . . . . . . . . . . . . . 7
3. Pre-assemble the Sections . . . . . . . . . . . . . . . . . . . . 8-9
4. Preparing the Opening.........................10
Door Section Installation
5. Stack Sections in Opening......................11
6. Install Vertical Track...........................12
8. Install Counterbalance.........................13
9. Install Backhang.............................20
10. Final Adjustments ...........................21
Installing Optional Accessories
Drawbar Plate, Locks and Step Plate . . . . . . . . . . . . . 22-28
Track Angle Support.............................29
Low Headroom Track .........................29-30
Key Drawings (Door, Sections)
7. Install Horizontal Track ........................12
Extension Springs.........................14-15
Torsion Springs...........................16-19
Wa r r a n t y.......................................3 1
READ THIS MANUAL CAREFULLY AND OBSERVE ALL
WARNINGS WHEN INSTALLING, OPERATING OR
MAINTAINING YOUR GARAGE DOOR.
RESIDENTIAL
SECTIONAL GARAGE DOOR
INSTALLATION INSTRUCTIONS
SERIES 321, 323, 327, 329
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