| Installation Section: Pages 12 – 27 | |||
Installation Step 1 |
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Determine Header Bracket Location |
| If the header bracket is not rigidly fastened to a | ||
Installation procedures vary according to garage |
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door types. Follow the instructions which apply to |
| structural support on the header wall or ceiling, the | ||
your door. |
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| safety reverse system may not work properly (see |
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| page 30). The door might not reverse when required, and |
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| could cause serious injury or death. |
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| The garage door springs, cables, pulleys, brackets and |
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| their hardware are under extreme tension. Do not attempt |
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| to loosen, move or adjust them yourself. Serious |
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| Finished |
| personal injury or death could result. Call for |
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| professional garage door service. | |
| Ceiling |
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Header | Guideline |
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Wall |
| 2x4 |
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| Structural |
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| Supports | SECTIONAL Door or |
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| ONE PIECE Door with Track |
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| • Close the door and mark the inside |
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| vertical centerline of the garage door. |
• Extend the line onto the header wall above the door.
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GuidelineRemember, you can fasten the header bracket within 4 feet of the left or right of the door center only if a torsion spring or center bearing plate is in the way; or you can attach it to the ceiling (refer to page 14) when clearance is minimal. (It may be mounted on the wall upside down if necessary, to gain approximately 1/2".)
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| If you need to install the header bracket on | |
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| a 2x4 (on wall or ceiling), use lag screws | |
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| (not supplied) to securely fasten the 2x4 to | |
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| structural supports as shown here and on | |
Ceiling |
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| page 13. | |
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Header |
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| • | Open your door to the highest point of |
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| travel as shown. Draw an intersecting | |
Wall | Track |
| Header |
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3" |
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| horizontal line on the header wall 3" | ||
| Wall | Track | |||
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| 3" | above the high point. This height will | |
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Highest Point |
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| provide travel clearance for the top edge |
of Travel |
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| Highest Point | of the door. | |
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| of Travel |
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| Door |
| Proceed to Step 2, page 14. | |
Door |
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Sectional door | |
with curved track | with horizontal track |
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