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5
Planning (Continued)
ONE-PIECE DOOR INSTALLATIONS
• 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 12.
• Depending on your door’s construction, you may need
additional mounting hardware for the door bracket
(Step 12).
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 fl oor MUST NOT exceed 1/4" (6 mm). Otherwise,
the safety reversal system may NOT work properly.
• The fl oor or the garage door MUST be repaired to
eliminate the gap.
ONE-PIECE DOOR WITHOUT TRACK
ONE-PIECE DOOR WITH TRACK
CLOSED POSITION
Straight
Door Arm
Emergency
Release
Rope &
Handle
Header
Wall
Header Wall
Belt
Rail
Rail
Trolley Stop Bolt
Trolley
Garage
Door
Door Bracket
Curved
Door
Arm
Header
Bracket
CLOSED POSITION
Straight
Door
Arm
Emergency
Release
Rope &
Handle
Header
Wall
Belt
Rail
Trolley Stop Bolt
Trolley
Garage
Door
Door
Bracket
Curved
Door Arm
Header
Bracket
Gap between fl oor
and bottom of door
must not exceed 1/4" (6 mm).
Gap between fl oor and
bottom of door must
not exceed 1/4" (6 mm).
Safety
Reversing
Sensor
Safety Reversing Sensor
Safety
Reversing
Sensor
Safety Reversing
Sensor
Access
Door
Access
Door
FINISHED CEILING
Support bracket &
fastening hardware
is required.
See page 16.
Motor unit
Wall-mounted
Door Control