Illustration Of One-Piece Door Installation - Craftsman 139.53976SRT Owner's Manual

One-Piece Door without Track
Before you begin, survey your garage area to
see whether any of the conditions below apply
to your Installation.
FINISI-
Supportbracket
& fastening
hardware is required,
See page 17.
Header
Wall
Closed Position
t_ccess Door Trolley S_op Bed Cable Trolley
o
Emergency
ReleaSe
Rope & Handle
_eader
Reversing
etween floor and bottom Sensor
of door must not exceed 1/4".
Reversing Sensor
Based on your particular requirements, there are
several installation steps which might call for
materials and/or hardware not included in the carton.
• Step 1, page 13 - Look at the wall or ceiling above
the garage door. The header bracket must be
securely fastened to structural supports.
• Step 5, page 17 - Do you have a finished ceiling in
your garage? If so, a support bracket and
additional fastening hardware (not provided) may
be required.
• Safety reversing sensor, page 21 - Depending on
garage construction, wood blocks or extension
brackets (see Accessories page 38) may be
needed to fasten sensors to mounting locations.
• Step 10, page 22 - Floor mounting of the safety
reversing sensor will require hardware that is not
provided.
• Step 11, page 25 - Generally, a one-piece door
does not require reinforcement. If your door is
lightweight, you can refer to the information
relating to sectional doors on page 24.
• Step 11, page 25 - Depending on your door's
construction, you might need additional mounting
hardware for the door bracket.
• Do you have an access door in addition to the
garage door? If not, Model 53702 Emergency Key
Release is required. See page 38.
• The gap between the bottom of the garage
door and the floor cannot exceed 1/4".
Otherwise, the safety reverse system may not
work properly. See page 30. The floor or the door
should be repaired.
Closed Position
7///'_ Trolley Stop Bolt Cable
Wall Header Curved
oooooo_ooool J
Straight
Bracket Door Arm
Garage Door
Chiin
Emergency
ReLease
-- Rope &
Handle
You may find it helpful to refer back to this page
as you proceed with the installation of your
opener.