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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.
Rail Tab
Door Bracket
Support bracket
& fastening
hardware is required. See
page 16.
Cable
Straight
Door
Arm
Trolley
Curved
Door
Arm
Rail
Rail
Garage Door
Header
Bracket
Emergency
Release
Rope & Handle
Header
Wall
H eader W all
Access
Door
Safety Reversing
Sensor
Wall-mounted Door
Control
Slack in chain tension is
normal when garage door
is closed.
Motor U nit
Safety Reversing Sensor
Gap between floor
and bottom of door must
not exceed 1/4" (6 mm)
CLOSED POSITION
Rail Tab
Door
Bracket
Cable
Trolley
Straight
Door
Arm
Curved
Door Arm
Rail
Chain
Garage Door
Header
Bracket
H eader
W all
Access
Door
Safety
Reversing
Sensor
Safety
Reversing Sensor
Gap between floor and
bottom of door must not
exceed 1/4" (6 mm)
CLOSED POSITION
Emergency
Release
Rope & Handle
ONE-PIECE DOOR WITHOUT TRACK
ONE-PIECE DOOR WITH TRACK
FINISHED CEILING
6
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