Craftsman 139.53675SRT - Manual (Page 5)

i :,,CiQN E'PiH©Es00Qiilia§ta|№iil
Be'fore you begin, survey your garage area to
see whether any of the conditions below apply
to your installation.
One-Piece Door without Track
Reverang
'Esp between Hoor and boBom Sensor
Safely of door must not eiOeed 1 /4*.,
Reversing Sensor
Based on your particuiar requirements, there are
several installation steps which might caJl 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 hicsf be
securely fastened to struciuial supports,
• Step 5, page 17 - Do you have a finished ceiling in
your garage? If so, a support bracket arrd
additional fastening hardware (not supplied) may
be required.
• Safety reversing sensor, page 21 - Depending on
garage constmction, wood blocks may need to be
securely fastened to mounting locations before
sensors are installed.
• Step 10, page 22 - Alternate 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
constmctlon, 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.
Gabte
Headar — w PuHey Brackai
Was
Closed Position
Cable Gbain
You may find it helpful to refer back to this page
as you proceed with the installation of your
opener.