| Installation Section: Pages 8 – 23 | ||
Installation Step 1 |
| WARNING | |
Determine Header Bracket Location |
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Installation procedures vary according to garage | If the header bracket is not rigidly fastened to | ||
door types. Follow the instructions which apply to | a structural support on the header wall or | ||
your door. |
| ceiling, the safety reverse system may not | |
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| work properly (see page 26). The door might |
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| not reverse when required, and could cause |
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| serious injury or death. |
| SECTIONAL Doors and |
| The garage door springs, cables, pulleys, |
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| brackets and their hardware are under extreme |
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| tension. Do not attempt to loosen, move or |
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| adjust them yourself. Serious personal injury |
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| Finished | or death could result. Call for professional |
Header | Vertical | Ceiling | garage door service. |
Guideline |
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Wall | 2x4 | Structural |
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| Supports | • Close the door and mark the inside |
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| vertical centerline of the garage door. |
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| • Extend the line onto the header wall |
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| above the door. |
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| Remember, you can fasten the |
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| header bracket within 2 feet to the |
| Vertical |
| left or right of the door center only if |
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| a torsion spring or center bearing | |
| Guideline |
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| plate is in the way; or you can attach | |
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| it to the ceiling (refer to page 10) |
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| when clearance is minimal. (It may |
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| be mounted on the wall upside down |
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| if necessary, to gain approximately |
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| 1/2".) |
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| If you need to install the header bracket |
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| on a 2x4 (on wall or ceiling), use lag |
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| screws (not supplied) to securely fasten |
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| the 2x4 to structural supports. |
•Open your door to the highest point of travel as shown. Draw an intersecting horizontal line on the header wall 2" above the high point. This height will provide travel clearance for the top edge of the door.
Door
Ceiling
Header |
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Wall | Track |
2" | |
Highest Point |
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of Travel |
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Header
Wall Track
2"
Highest Point
of Travel
Door
Sectional door with
curved track
One-piece door with
horizontal track
Proceed to Step 2, page 10.
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