Planning
Identify the type and height of your garage door. Survey your garage area to see if any of the conditions below apply to your installation. Additional materials may be required. You may find it helpful to refer back to this page and the accompanying illustrations as you proceed with the installation of your opener.
Depending on your requirements, there are several installation steps which may call for materials or hardware not included in the carton.
•Do you have an access door in addition to the garage door? If not, Model 7702C Emergency Key Release is required. See Accessories page.
•Look at the garage door where it meets the floor. Any gap between the floor and the bottom of the door must not exceed 1/4" (6 mm). Otherwise, the safety reversal system may not work properly. See Adjustment Step 3. Floor or door should be repaired.
• Installation Step 1 – Look at the wall or ceiling above | SECTIONAL DOOR INSTALLATIONS |
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the garage door. The header bracket must be securely |
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• Do you have a steel, aluminum, fiberglass or glass | |||
fastened to structural supports. | |||
• Installation Step 5 – Do you have a finished ceiling in | panel door? If so, horizontal and vertical | ||
reinforcement is required (Installation Step 11). | |||
your garage? If so, a support bracket and additional | |||
• The opener should be installed above the center of the | |||
fastening hardware may be required. | |||
• Installation Step 10 – Depending upon garage | door. If there is a torsion spring or center bearing plate | ||
in the way of the header bracket, it may be installed | |||
construction, extension brackets or wood blocks may | |||
within 4 feet (1.22 m) to the left or right of the door | |||
be needed to install sensors. | |||
center. See Installation Steps 1 and 11. | |||
• Installation Step 10 – Alternate floor mounting of | |||
• If your door is more than 7 feet (2.13 m) high, see rail | |||
the safety reversing sensor will require hardware not | |||
extension kits listed on Accessories page. | |||
provided. | |||
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SECTIONAL DOOR INSTALLATION | FINISHED CEILING |
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Horizontal and vertical reinforcement |
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Support bracket & |
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is needed for lightweight garage |
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fastening hardware |
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doors (fiberglass, steel, aluminum, |
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is required. |
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door with glass panels, etc.). |
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See page 15. |
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See page 23 for details. |
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Header Wall |
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| Extension |
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Torsion Spring | OR Spring | Motor unit | |
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Safety Reversing Sensor
Vertical
Centerline
of Garage Door
Gap between floor and bottom of door must not exceed 1/4" (6 mm).
Wall-Access
Mounted Door
Door
Control
| Header | Trolley |
| CLOSED POSITION | |
| Bracket | Stop Bolt | Trolley | ||
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Safety Reversing |
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Sensor | Garage |
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| Door Spring |
| Belt | ||
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| Straight | Emergency | ||
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| Release Rope | |||
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| Door |
| & Handle | |
Header |
| Arm |
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Wall | Door | Curved | |||
Garage | |||||
Bracket | Door Arm | ||||
Door | |||||
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