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