Planning (Continued)
•Generally, a
•Depending on your door’s construction, you may need additional mounting hardware for the door bracket (Step 11).
Slack in chain tension is normal when
garage door is closed. Header
Wall
WARNING
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.
FINISHED CEILING Support bracket & fastening hardware is required. See page 17.
Motor Unit
Safety Reversing Sensor
Gap between floor
and bottom of door must not exceed 1/4" (6 mm)
Door Control
Access
Door
Safety Reversing
Sensor
| CLOSED POSITION |
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| Chain |
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| Pulley Bracket |
| Trolley |
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| Header |
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| Bracket | Rail |
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| Door |
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| Bracket |
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| Emergency |
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| Straight | Curved | Release |
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| Rope | ||
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| Door | ||
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| Door | & Handle | |
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| Arm | ||
Header | Garage | Arm |
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Wall | Door |
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Access
Door
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| Safety | |
| Gap between floor and | Reversing | |
Safety | Sensor | ||
bottom of door must not | |||
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Reversing | exceed 1/4" (6 mm) |
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Sensor |
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| CLOSED POSITION |
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| Chain |
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| Chain | Trolley |
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Header | Pulley Bracket |
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Wall |
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| Header |
| Curved |
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| Bracket |
| Door Arm |
| Rail | |
| Door |
| Straight |
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Garage | Bracket |
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Door |
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Door |
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| Arm |
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| Emergency Release | |
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| Rope & Handle |
5