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One-Piece Door without Track
Before you begin, survey your garage area to
see whether any of the conditions below apply
to your installation.
Slack in chain tension
is normal when
garage door is closed,
Header
Wall
Reversing
between floor and bottom Sensor
Safety of door must not exceed 1/4".
Reversing Sensor
FINISHED CEILING
Support bracket
& fastening
hardware is required.
See page 17.
Access Door
0
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? tf so, a support bracket and
additional fastening hardware (not supplied) 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 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
Cable
Putley Bracket
Cable Trottey
eader
Wall
Door
Door Door
Arm Arm
Emergency
Release
Rope & Handle
Hwa 'r
Garage --
Door
One-Piece Door with Track
across width of door
Reversing
Sensor
g
Sensor
Closed Position
Cabie Cable Trolley Chain
Pulley Bracket I I
eoderCurved I
BracketUoorArm / I T-r i,
_% °°°°°°°l°°°°_J I
I I EmergencyRelease
Y/"//I _ Door Straight _ Rope & Handle
_//'_ Bracket Door
Arm
You may find it helpful to refer back to this page
as you proceed with the installation of your
opener.
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