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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
Header Wall
FINISHED CEILING
Support bracket &
fastening hardware
is required.
See page 19.
Motor unit
Wall-mounted
Door Control
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).
Access
Door
Access
Door
Safety Reversing Sensor
Safety Reversing Sensor
Rail
Safety Reversing Sensor
Safety Reversing
Sensor
Trolley
Header Bracket
Emergency
Release
Rope &
Handle
Straight
Door Arm
Curved
Door Arm
Door
Bracket
Header
Wall
Garage
Door
Rail Bracket
CLOSED POSITION
Rail Assembly
Trolley
Header Bracket
Emergency
Release Rope
& Handle
Straight
Door Arm
Curved
Door Arm
Door
Bracket
Header
Wall
Garage
Door
Rail Bracket
CLOSED POSITION
Rail Assembly