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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 10.
• Depending on your door’s construction, you may
need additional mounting hardware for the door
bracket (Step 10).
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 6 mm. Otherwise, the
safety reversal system may not work properly.
• The floor or the garage door MUST be repaired to
eliminate the gap.
WARNING
CAUTION
WARNING
WARNING
Safety
Reversing Sensor
(Optional Accessory)
FINISHED CEILI
NG
Support
bracket
& fastening
hard
ware is re
quired.
See page 21.
Slack in Chain Tension
is Normal
When
Garage Door is Closed
Safety
Reversing Sensor
(Optional Accessory)
Header
Wall
Access
Door
Gap between floor and bottom
of door must not exceed 6 mm.
Motor Unit
Wall-mo
unted
Door
Control
ONE-PIECE DOOR WITHOUT TRACK
CLOSED POSITION
Access
Door
Gap between floor
and bottom of door
must not exceed 6 mm
Safety Reversing
Sensor
(Optional Accessory)
Wall-
Mounted
Door
Control
Cable
Pulley Bracket
Door
Bracket
Straight
Door
Arm
Trolley
Header
Wall
Rail
Garage
Door
Emergency Release
Rope & Handle
Chain
Header
Bracket
Curved
Door Arm
Safety Reversing
Sensor
(Optional Accessory)
ONE-PIECE DOOR WITH TRACK
Chain
Pulley
Bracket
Header
Bracket
Trolley
Straight
Door
Arm
Manual
Release
Rope & Handle
Door Bracket
Garage
Door
Curved
Door
Arm
Garage
Door
Spring
Header
Wall
Chain
CLOSED POSITION