Chamberlain POWER DRIVE PD432D 1/2 HP Owner's Manual page 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 12.
• Depending on your door's construction, you may need
additional mounting hardware for the door bracket
(Step 12).
ONE-PIECE DOOR WITHOUT TRACK
Header Wall
Safety Reversing Sensor
ONE-PIECE DOOR WITH TRACK
Safety
Reversing Sensor
Access
Door
Safety Reversing
Sensor
Gap between floor
and bottom of door must not exceed 1/4" (6 mm).
Access
Door
Safety
Reversing Sensor
Gap between floor
and bottom of door
must not exceed 1/4" (6 mm).
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 1/4" (6 mm). Otherwise, the safety
reversal system may not work properly.
• The floor or the garage door MUST be repaired to eliminate
the gap.
Rail
Wall-mounted
Door Control
Rail
Bracket
Header
Bracket
Door
Bracket
Header
Wall
Header
Wall
Header
Bracket
Door
Garage
Bracket
Door
5
WARNING
CAUTION
Motor unit
CLOSED POSITION
Trolley
Door Arm
Curved
Straight
Door
Door
Arm
Garage
Arm
Door
CLOSED POSITION
Rail Bracket
Trolley
Curved
Door Arm
Rail Assembly
Straight
Emergency Release
Door
Rope & Handle
Arm
Rail Assembly
Emergency
Release
Rope & Handle