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.
SECTIONAL Door Installation
Horizontal and vertical reinforcement is needed for lightweight garage doors
(fiberglass, steel, aluminum, door with glass panels, etc.).
See page 24 for details.
Header Wall
— — —
Door Center
— 
FINISHED CEILING Support bracket & fastening hardware is required.
See page 17.
Extension Spring
OR
Torsion Spring
Access Door
— —
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.
•Step 5, page 17 - Do you have a finished ceiling in your garage? If so, a support bracket and additional fastening hardware may be required.
•Safety reversing sensor, page 21 - Depending upon garage construction, extension brackets (see Accessories) or wood blocks may be needed to fasten sensors to mounting locations.
•Step 10, page 22 - Floor mounting of the safety reversing sensor will require hardware not provided.
•Step 11, 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.
Safety |
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Reversing |
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Sensor |
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| Header | Belt Pulley | Closed Position |
| Bracket | Bracket |
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| Trolley |
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| Garage |
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| Door |
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| Spring | Belt |
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| Straight |
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| Door | Manual |
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| Arm | |
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| Release | |
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| Curved | Rope & Handle |
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Header |
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| Arm |
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Wall |
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Door Bracket |
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Garage |
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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 rail extension kit listed on page 38.
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