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PLANNING (CONTINUED)
ONE-PIECE DOOR INSTALLATIONS
l Generally, a one-piece door does not require reinforcement. If your door is
lightweight, refer to the information relating to sectional doors in
Installation Step 8.
l Depending on your door’s construction, you may need additional mounting
hardware for the door bracket (Installation Step 8).
Without a properly installed safety reversing sensor, persons (particularly small
children) could be SERIOUSLY INJURED or KILLED by a closing garage door.
l 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.
l The floor or the garage door MUST be repaired to eliminate the gap.
Safety Reversing Sensor
Access
Door
FINISHED CEILING
Support bracket
and fastening
hardware is required.
See page 16.
Safety Reversing
Sensor
Header Wall
Gap between floor
and bottom of door must
not exceed 1/4" (6 mm).
Wall-mounted
Door Control
Rail
Motor Unit
Slack in chain tension
is normal when garage
door is closed.
Access
Door
Safety Reversing Sensor
Safety Reversing Sensor
Gap between floor and bottom of door must
not exceed 1/4" (6 mm).
Header
Bracket
Straight
Door
Arm
Emergency
Release
Rope & Handle
Door Bracket
Curved
Door
Arm
Header
Wall
Cable
Rail
Garage Door
CLOSED POSITION
Rail Tab
Straight Door
Arm
Curved
Door Arm
Door
Bracket
Header
Bracket
Garage
Door
Header
Wall
CLOSED POSITION
Rail Tab
Chain
Rail
Cable
ONE-PIECE DOOR WITHOUT TRACK
ONE-PIECE DOOR WITH TRACK
5
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