7
WARNING
SPRINGS, PULLEYS, CABLES AND MOUNTING HARDWARE USED TO
BALANCE YOUR GARAGE DOOR ARE UNDER EXTREME TENSION AT ALL
TIMES AND CAN CAUSE SEVERE INJURY OR DEATH IF DISTURBED.
DO NOT ATTEMPT ADJUSTMENT.
IMPORTANT!
IDENTIFY YOUR DOOR TYPE FROM THOSE ILLUSTRATED BELOW.
C:
INSTALLING THE OPERATOR
SECTIONAL DOOR
CURVED TRACK
ONE PIECE DOOR
HORIZONTAL TRACK
JAMB HARDWARE
HIGH ARC OF
DOOR TRAVEL
HIGH ARC OF
DOOR TRAVEL
TRACK
TRACK
DOOR
DOOR
FOR THESE TYPES OF DOORS USE 1/2 HP
MODEL LT 50.
USE 10 FT OR 12 FT RAIL ASSEMBLY
(MATCH DOOR HEIGHT)
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ONE PIECE DOOR
NO TRACK
JAMB HARDWARE
ONE PIECE DOOR
NO TRACK
PIVOT HARDWARE
DOOR
HIGH ARC OF
DOOR TRAVEL
DOOR
JAMB
HARD-
WARE
HIGH ARC OF
DOOR TRAVEL
PIVOT
NOTE:
THE MODEL LT 50 CANNOT BE USED TO OPERATE
THESE TYPES OF DOORS - CONTACT THE
FACTORY FOR MORE INFORMATION.
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REINFORCE THE HEADER WALL
Reinforce the header wall (wall above the door
opening as required, to ensure rigid mounting of the
front wall bracket.
Locate the vertical centerline of your garage door
and mark it on the header above the door and on the
top rail of the door.
Vertical Center
Line
Reinforce with 2” x 6”
as required to insure
rigid mounting.
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