SECTIONAL Door Installation
Before you begin, survey your garage area to see whether any of the conditions below apply to your installation. You may find it helpful to refer back to this page as you proceed with the installation of your opener.
Horizontal and vertical reinforcement is needed for lightweight garage doors
(fiberglass, steel, aluminum, door with glass panels, etc.).
See page 24 for details.
FINISHED CEILING Support bracket & fastening hardware is required.
See page 20.
Header Wall
| Extension Spring | |
| OR | |
| Torsion Spring | |
— — — | Access Door | |
Door Center | ||
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— — — |
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— — |
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| Safety | |
| Reversing | |
| Sensor |
Floor must be level across width of door
Safety Reversing Sensor
Based on your particular requirements, there are several installation steps which might call for materials and/or hardware not included in the carton.
•Step 1, page 12 – Look at the wall or ceiling above the garage door. The header bracket must be securely fastened to structural supports.
•Safety reversing sensor, page 16 – Depending upon garage construction, extension brackets or wood blocks may be needed to be fasten sensors to mounting locations.
•Step 4, page 17 – Floor mounting of the safety reversing sensor will require hardware not provided.
•Step 6, page 20 – Do you have a finished ceiling in your garage? If so, a support bracket and additional fastening hardware may be required.
•Step 12, page 24 – Do you have a steel, aluminum, fiberglass or glass panel door? If so, horizontal and vertical reinforcement is required.
•Look at the garage door where it meets the floor. It must close on the floor all the way across. Otherwise, the safety reverse system may not work properly. See page 30. Floor or door should be repaired.
| Header | Closed Position | ||
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| Rail Assembly | |
| Bracket | Rail | ||
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| Bracket |
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| Garage |
| Trolley | |
| Door |
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| Spring |
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| Straight |
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| Manual |
| Door |
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| Release |
| Arm |
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| Rope & Handle |
Header |
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| Curved |
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Wall |
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Door |
| Door |
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Garage | Bracket |
| Arm |
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Door |
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•The opener can be installed within 4 feet of the left or right of the door center if there is a torsion spring or center bearing plate in the way of the header bracket or door bracket area. If your door has extension springs, the opener must be installed in the center of the door. See pages 12 and 24.
•Do you have an access door in addition to the garage door? If not, Model 7702CB Outside Quick Release is required. See page 38.
•If your door is more than 7 feet high, see the rail extension kits listed on page 38.
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