Craftsman 139.53677SRT1 Garage Door Opener User Manual


 
Before you begin, survey your garage ares to
see whether any of the conditions below apply
to your installation.
in chain thns_on
is normal when
garage door is dosed.
Header
Wa!l
One-Piece Door Without Track
FINISHED CEILING
Support bracket
& faslening
hardware is required.
See page t7.
O
)betweenfloorandbottomReversingSensor
ofdoormustnotexceedI/4".
Safety Reversir_ Sensor
Based on your particular requirements, there are
several installation steps which mightcall for
materials and/or hardware not includedin 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 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 yourdoor'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
Cable
Pultey Bracket Cable Trolley
/
Bracket T-rail
DoorSrac_xet
Coot
Door
Arm
Release
One-Piece Door With Track
Revering
Floormustbelevel
Safety acrosswidthofdoor
ReversingSensor
Garage--
Door
Closed Position
Cable Cable Trolley Chain
I mL"
_'//.I "saor s_ig_t _ P,ele=se
You may find it helpful to refer back to this page as
you proceed with the Installation of your opener.
5