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ALLONE-PIECEDOORS
1. Assemblethe door arm, Figure 4:
• Fastenthe straight and curved door arm sections together to
the longest possible length (with a 2 or 3 hole overlap).
• With the door closed, connect the straight door arm section
to the door bracket with the 5/16"x1-1/4" clevis pin.
• Securewith a ring fastener.
2. Adjustmentprocedures,Figure 5:
• Onone-piece doors, before connecting the door arm to the
trolley, the travel limits must be adjusted. Limit adjustment
screws are located on the left side panel as shown on page
27. Follow adjustment procedures below.
• Open door adjustment:decreaseUP travel limit
- Turn the UP limit adjustment screw counter-clockwise 4
turns.
- Press the Door Control push button. The trolley will travel to
the fully open position.
- Manually raise the door to the open position (parallel to the
floor), and lift the door arm to the trolley. The arm should
touch the trolley just in back of the door arm connector hole.
Refer to the fully open trolley/door arm positions in the
illustration. If the arm does not extend far enough, adjust the
limit further. One full turn equals 2" (5 cm) of trolley travel.
• Closed door adjustment:decrease DOWNtravel limit
- Turn the DOWN limit adjustment screw clockwise 4 complete
turns.
Figure 5
Inner Trolley
Door
Figure 4 Door Arm
- Press the Door Control push button. The trolley will travel to
the fully closed position.
- Manually close the door and lift the door arm to the trolley.
The arm should touch the trolley just ahead of the door arm
connector hole. Referto the fully closed trolley/door arm
positions in the illustration. If the arm is behind the connector
hole, adjust the limit further. Onefull turn equals 2" (5 cm) of
trolley travel.
3. Connectthe doorarm to the trolley:
• Closethe door and join the curved arm to the connector hole
in the trolley with the remaining clevis pin. It may be
necessaryto lift the door slightly to make the connection.
• Securewith a ring fastener.
• Run the opener through a complete travel cycle. If the door
has a slight "backward" slant in full open position as shown in
the illustration, decrease the UP limit until the door is parallel
to the floor.
NOTE: When setting the up limit on the foflowing page, the door
should not have a "backward" slant when fully open as illustrated
below. A slight backward slant will cause unnecessarybucking
and/or jerking operation as the door is being openedor closed
from the fully open position.
Handle
Inner Trolley
Open Door (Incorrect)
26
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