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Safety
Reversing Sensor
Safety
Reversing
Sensor
Torsion Spring
Motor unit
Wall-mounted
Door Control
Access Door
Gap between floor
and bottom of door must not exceed 1/4" (6 mm).
Power
Door Lock
Cable Tension
Monitor
Remote Light
Drum
3
Planning
Survey your garage area to see if any of the conditions
below apply to your installation. Additional materials may
be required. You may find it helpful to refer back to this
page as you proceed with the installation of your opener.
Depending on your requirements, there are several
installation steps which may call for materials or hardware
not included in the carton.
This opener is compatible with:
• Doors that use a torsion bar, springs, and a door no
more than 14' (4.2 m) high.
• 4"-6" (10 cm - 15 cm) drums, not to be used on tapered
drums over 6" (15 cm).
• High lift and standard lift sectional doors up to 14'
(4.2 m) high.
• Doors up to 18' (5.5 m) wide.
• Doors up to 180 sq. ft. (16.7 sq. m)
• 1" (2.5 cm) torsion bar only.
• Review or inspect proposed installation area. Opener
can be installed on left or right side of door. Select the
side that meets the requirements listed below.
- Must have minimum of 2-1/2" (6.4 cm) between the
garage wall and the center of the torsion bar.
- Must have minimum of 3" (7.6 cm) between the ceiling
and the center of torsion bar.
- Must have minimum of 8" (20.3 cm) between the side
garage wall (or obstruction) and the end of torsion bar.
• The torsion bar must extend at least 1" to 5"
(2.5 cm to 12 cm) past the bearing plate.
• An electric outlet is required within 6' (1.8 m) of the
installation area. If outlet does not exist, contact a
qualified electrician.
• Depending upon garage construction, extension
brackets or wood blocks may be needed to install safety
reversing sensors.
• Alternate floor mounting of the safety reversing sensors
will require hardware not provided.
• A model 475LMC EverCharge
TM
Standby Power System
is strongly recommended if there is no access door to
the garage, as this opener cannot be used in
conjunction with an external emergency release
mechanism.
• Any gap between the floor and the bottom of the door
must not exceed 1/4" (6 mm). Otherwise the safety
reversal system may not work properly.
NOTE: Inspect the torsion bar while the door is raised and
lowered. It is important that there is no noticeable
movement up and down or left and right. If this type of
movement is not corrected, life of this opener will be
greatly reduced.