Planning (Continued)
•Generally, a
•Depending on your door’s construction, you may need additional mounting hardware for the door bracket (Step 11).
Without a properly working safety reversal system, persons (particularly small children) could be SERIOUSLY INJURED or KILLED by a closing garage door.
•The gap between the bottom of the garage door and the floor MUST NOT exceed 1/4" (6 mm). Otherwise, the safety reversal system may NOT work properly.
•The floor or the garage door MUST be repaired to eliminate the gap.
Header Wall
Safety | Gap between floor and |
bottom of door must not | |
Reversing | exceed 1/4" (6 mm). |
Sensor |
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FINISHED CEILING
Support bracket & fastening hardware is required.
See page 16.
Rail
Slack in chain tension | Motor Unit |
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is normal when garage |
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door is closed. |
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Door Control |
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Access |
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Door |
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| CLOSED POSITION |
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Trolley Stop Bolt |
| Cable | Trolley | ||
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Header | Rail |
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Bracket |
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Door Bracket |
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Safety |
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Reversing |
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Straight | Curved | Rope & | |||
Sensor | |||||
Header | Door Arm | Door Arm | Handle | ||
Garage Door |
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Wall |
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Safety
Reversing
Sensor
Access
Door
| Safety |
Gap between floor and | Reversing |
bottom of door must | Sensor |
not exceed 1/4" (6 mm). |
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CLOSED POSITION
| Trolley Stop Bolt Cable | Chain | |
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Header |
| Curved |
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Wall | Header | Rail | |
| Bracket | Door Arm | |
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| Door | Straight | Emergency |
| Bracket | Release | |
| Door | ||
| Garage | Rope & | |
| Arm | ||
| Handle | ||
| Door | ||
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5