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ALL ONE-PIECE DOORS
1.Assemble the door arm, Figure 4:
• Fasten the straightand curveddoor arm sections
together to the tongest possible length (witha 2
or 3 hole overlap).
• With the door closed, connectthe straightdoor
arm section to the door bracketwith the
5/16"xl -1/4" clevispin.
• Secure with a ringfastener.
2. Adjustment procedures, Figure 5:
On one-piece doors, before connectingthe door
arm to the trolley,the travel limits mustbe
adjusted. Limitadjustment screws are located on
the left side panel as shown on page 28. Follow ,
adjustment proceduresbelow.
• Open door adjustment: decrease UP
travel limit
- Turnthe UP limit adjustment screw counter-
clockwise 5 1/2 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" of trolley travel.
• Closed door adjustment: decrease DOWN
travel limit
- Turn the DOWN limit adjustment screw
clockwise 5 complete turns.
Door Bracket _ Ring
Fastener
Nuts
Lock 5/16"-16
Washers
5/16"
Clevis Pin Arm
rigi=_:-ur- 4 5/16"-18x7/8 Curved 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. Refer to
the fully closed trolley/door arm positions inthe
illustration. If the arm is behind the connector
hole, adjust the limit further. One full turn
equals 2" of trolley travel.
3. Connect the door arm to the trolley:
• Close the door and join the curved arm to the
connector hole in the trolley with the remaining
clevis pin. It may be necessary to lift the door
slightly to make the connection.
• Secure with 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.
I
FULLY CLOSED POSITION
Inner Trolley Outer Trolley
FULLY OPEN POSITION
Outer Trolley
Door Arm
Figure 5
27