One-Piece Door Installations; One-Piece Door Without Track - Craftsman 139.53993DM 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
Gap between fl oor and
bottom of door must not
Safety Reversing exceed 1/4" (6 mm).
Sensor
ONE-PIECE DOOR WITH TRACK
Gap between floor
and bottom of door
Safety
must not exceed 1/4" (6 mm).
Reversing Sensor
FINISHED CEILING
Support bracket &
fastening hardware is
required. See page 19.
Rail
Wall-Mounted
Door Control
Access Door
Safety Reversing
Sensor
Access
Door
Header
Wall
Garage
Door
Safety
Reversing 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
fl oor MUST NOT exceed 1/4" (6 mm). Otherwise, the safety
reversal system may NOT work properly.
• The fl oor or the garage door MUST be repaired to eliminate
the gap.
Motor Unit
Rail
Bracket
Header
Bracket
Door Door Arm
Bracket
Garage
Header
Door
Wall
CLOSED POSITION
Rail Bracket
Trolley
Curved
Header
Door Arm
Bracket
Door
Straight
Bracket
Door
Arm
5
CLOSED POSITION
CLOSED POSITION
Trolley
Emergency
Release
Curved
Rope & Handle
Straight
Door
Door
Arm
Arm
Rail Assembly
Emergency Release
Rope & Handle
Rail Assembly