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ALLONE-PIECEDOORS
1. Assemblethe doer arm, Figure5:
IMPORTANT:Thegroove on the straight door arm MUST face
away from the curved door arm.
• 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.
• Secure with a ring fastener.
2. Adjustmentprocedures,Figure 6:
• 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
27. Follow adjustment procedures below.
• Open dooradjustment: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. Referto the fully open trolley/door arm positions in the
illustration. If the arm does not extendfar enough, adjust the
limit further. Onefull turn equals 2" (5 cm) of trolley travel.
• Closed dooradjustment:decreaseDOWNtravel limit
- Turn the DOWNlimit adjustment screw clockwise 4 complete
turns.
Figure 6
Inner Trolley
_ Emergency Release Handle
-L- Closed
j Door
Figure 5
Door
CORRECT INCORRECT
Fastener
Lock
Washers
5/16"
Nuts
5/16"-18
Clevis Pin Straight
5/16"x1-1/4" Arm
Bolts
5/16"-18x7/8" _urved
DoorArm
Pressthe 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. One full turn equals 2" (5 cm) of
trolley travel.
3. Connectthe door arm 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 makethe connection.
• Securewith a ring fastener.
• Run the openerthrough a complete travel cycle. If the door
has a slight "backward" slant in full open position as shown in
the illustration, decreasethe UP limit until the door is parallel
to the floor.
NOTE:Whensetting the up limit on the following page, the door
should not havea "backward" slant when fully openas illustrated
below. A slight backward slant will cause unnecessarybucking
and/or jerking operation as the door is being openedor closed
from the fully openposition.
Inner Trolley
Outer Trolley
Correct Angle - f i _"_._
Open Door (Incorrect)
26
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