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ALLONE-PIECE DOORS
1.Assemble
the door arm, Figure 4:
• Fasten the 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.
• Secure with a dng fastener.
2. Adjustment
procedures,
Figure 5:
• On one-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 28. Follow
adjustment procedures below.
• Open door adjustment:
decrease
UP
travel limit
-Turn the UP limitadjustment screw
counter-clockwise4 turns.
- Press the Door Control push button.The trolley
will travel to the fullyopen 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 trolleyjust in
back of the door arm connectorhole. Refer to
the fully open trolley/doorarm positions in the
illustration.If the arm does not extend far
enough, adjust the limitfurther. One full turn
equals 3" of trolley travel.
• Closed door adjustment: decrease DOWN
travel limit
- Turn the DOWN limitadjustment screw clockwise
4 complete turns.
Door
Ring
Fastener
CtevLsPin
5/16" x 1-1/4"
Arm
Lock
Washers
5/16"
Nuts
5/16"-1_
Botts
5/16"-18 x 7/8
Curved
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. Refer to
the fully closed trolley/doorarm positionsin the
illustration.If the arm is behind the connector
hole, adjust the limitfurther. One full turn equals
3" of trolleytravel.
3. Connect the door arm to the trolley:
• Close the door and join the curved arm to the
connectorhole in the trolley with the remaining
clevis pin. It may be necessary to lift the door
slightlyto 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
positionas shown in the illustration,decrease the
UP limit until the door is parallel to the floor.
NOTE: When setting the up limit on the following
page, the door should not have a "backward"slant
when fullyopen as illustratedbelow. A slight
backward slant will cause unnecessary bucking
and/orjerking operation as the door is being opened
or closed from the futiyopen position.
Figure 5
Fully Closed
Trolley
Door An'n
Connector Hole
--
Emergency ReleaseHandle
Fuay Op_
27
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