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ALL ONE-PIECE DOORS
ASSEMBLE DOOR ARM: Fasten straight and curved
door arm sections together to their longest possible
length. With door closed, connect straight door arm
section to door bracket with a clevis pin. Secure with a
ring fastener.
Before connecting door arm to trolley, limits of travel must be adjusted on one-piece doors. Limit
adjustment screws are located on left side panel as shown in illustration on Page 20. Follow procedures
below.
ADJUSTMENT PROCEDURES
OPEN DOOR ADJUSTMENT
CLOSED DOOR ADJUSTMENT
Decrease UP limit. Turn UP limit adjustment screw
counterclockwise 4 complete turns.
Press door control button. Trolley will travel to full open
position.
Manually raise door arm to open position (parallel to
floor) and lift door arm to trolley. The arm should touch
trolley just in back of door arm connector hole as
shown in solid line drawing. If arm does not extend far
enough, adjust limit further. One full turn equals 2" of
door travel.
Decrease DOWN limit. Turn DOWN limit adjustment
screw clockwise 8 complete turns.
Press door control button. Trolley will travel to full
closed position.
Manually close door and lift door arm to trolley. The
arm should touch trolley just ahead of door arm
connector hole as shown in dotted line drawing. If arm
is behind the connector hole, adjust limit further. One
full turn equals 2" of door travel.
CONNECT DOOR ARM TO TROLLEY: With door closed, join curved arm to connector hole in trolley with remaining
clevis pin. Secure with ring fastener. NOTE: It may be necessary to lift door slightly to make connection.
Run opener through a complete travel cycle. If door has a slight 'backward' slant in full open position, decrease UP
limits until door is parallel to floor.
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