One-Piece Door Installations; One-Piece Door Without Track - LiftMaster 1220EM FS2 Manual Del Usuario

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).

ONE-PIECE DOOR WITHOUT TRACK

Header
Wall
Gap between floor and bottom
of door must not exceed 6 mm
Safety
Reversing Sensor
(Optional Accessory)
ONE-PIECE DOOR WITH TRACK
Gap between floor
and bottom of door
must not exceed 6 mm.
Safety Reversing
Sensor
(Optional Accessory)
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.
Access
Door
Safety
Reversing Sensor
(Optional Accessory)
Header
Wall
Header
Wall
Access
Door
Wall-
Mounted
Door
Control
Garage
Door
Safety Reversing
Sensor
(Optional Accessory)
5
CLOSED POSITION
Chain
Pulley Bracket
Chain
Trolley
Header
Bracket
T-rail
Door
Bracket
Straight Curved
Door Door
Arm Arm
Garage
Door
CLOSED POSITION
Cable
Trolley
Pulley Bracket
Curved
Header
Door Arm
Bracket
Straight
Door
Door
Bracket
Arm
Emergency Release
Rope & Handle
Emergency
Release
Rope & Handle
Chain
Rail