One-Piece Door Installations; One-Piece Door Without Track - Sears CRAFTSMAN 139.53939D Manual Del Propietário

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
Safety Reversing
Sensor
Gap between floor
and bottom of door must not exceed 1/4" (6 mm).
Access
Door
Safety
Reversing
Gap between floor
Sensor
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
Access
Door
Trolley Stop Bolt
Door Bracket
Header
Wall
Trolley Stop Bolt
Header
Header
Bracket
Wall
Garage
Door
5
Motor Unit
CLOSED POSITION
Belt Trolley
Header
Rail
Bracket
Curved
Straight
Door
Door
Arm
Arm
Garage
Door
CLOSED POSITION
Belt Trolley
Curved
Door Arm
Rail
Emergency
Door
Release
Bracket
Straight
Rope &
Door
Handle
Arm
Emergency
Release
Rope & Handle