Planning - Chamberlain Power Drive PD210M Owner's Manual

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 11.
• Depending on your door's construction, you may
need additional mounting hardware for the door
bracket (Step 11).
ONE-PIECE DOOR WITHOUT TRACK
Header
Wall
Gap between floor and bottom
of door must not exceed 1/4".
Safety
Reversing Sensor
ONE-PIECE DOOR WITH TRACK
Gap between floor
Safety
and bottom of door
Reversing
must not exceed 1/4"
Sensor
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 or the garage door MUST be repaired to
Access
Door
Safety
Reversing Sensor
Header
Wall
Header
Wall
Access
Door
Wall-
Mounted
Door
Control
Garage
Door
Safety
Reversing
Sensor
5
the floor MUST NOT exceed 1/4" (6 mm). Otherwise,
the safety reversal system may not work properly.
eliminate the gap.
CLOSED POSITION
Cable
Pulley Bracket
Cable
Header
Bracket
T-rail
Door
Bracket
Straight
Door
Arm
Garage
Door
CLOSED POSITION
Cable
Cable
Pulley Bracket
Header
Curved
Bracket
Door Arm
Straight
Door
Door
Bracket
Arm
Trolley
Emergency
Release
Curved
Rope & Handle
Door
Arm
Trolley
Chain
T-rail
Emergency Release
Rope & Handle