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5
Safety
Reversing Sensor
Safety
Reversing Sensor
Access
Door
Gap between floor
and bottom of door
must not exceed 1/4" (6 mm).
Header
Bracket
Door
Bracket
Straight
Door
Arm
Curved
Door Arm
Trolley
Emergency Release
Rope & Handle
Rail Assembly
Garage
Door
Header
Wall
CLOSED POSITION
Rail Bracket
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).
ONE-PIECE DOOR WITHOUT TRACK
ONE-PIECE DOOR WITH TRACK
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.
Garage
Door
Header
Wall
Rail Assembly
Door Arm
Emergency
Release
Rope & Handle
Rail
Bracket
Trolley
CLOSED POSITION
Header
Bracket
Straight
Door
Arm
Door
Bracket
Curved
Door
Arm
Header Wall
Rail
Motor Unit
Wall-Mounted
Door Control
Safety Reversing
Sensor
Safety Reversing
Sensor
Gap between fl oor and
bottom of door must not
exceed 1/4" (6 mm).
Access Door
FINISHED CEILING
Support bracket &
fastening hardware is
required. See page 19.
CLOSED POSITION