Planning - Craftsman 139.53919D 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)
Without a properly working safety reversal system,
persons (particularly small children) could be
SERIOUSLYINJUREDor 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 repairedto
eliminate the gap.
ONE-PIECE DOOR WITHOUT TRACK
FINISHED CEILING
Safety Reversing Sensor
& fastening
hardware is required.
See page 16.
I
Rail ...........
........... Wall-mounted
Dioor Control
_' Access
Door
Safety Reversing
Gap between floor Sensor
and bottom of door must not exceed 1/4" (6 ram).
teader
Vail
t
Motor Unit
CLOSED POSITION
Trolley Stop Bolt
Belt Trolley
Straight
Door Door
Arm Arm
Garage
Door
Emergency
Release
Rope & Handle
ONE-PIECE DOOR WITH TRACK
let
Reversing
Gap between floor Sensor
J Safety and bottom of door
Reversing Sensor must not exceed 1/4" (6 ram).
Header
Wall
CLOSED POSmON
Trolley Stop Bolt Belt Trolley
I --
J_-Head_r Curved
Bracket Door Arm _- /
idh,. °°°°°°l°°°°°)_
Door I
_////'_ Bracket Straight
_//I Door
///"_1_ Garage Arm
_/I Door
Rail
-- Emergency
Release
Rope &
Handle