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Assemble the Door Arm:
• Fasten the straight and curved door arm sections
together to the longest possible length, w_ a 2 or 3
hole ovedap.
• With the door closed, connect the straight door arm
section to the door bracket with the 5-16" × 1-1/4'
clevis pin.
• Secure with a ring fastener°
Ooor Rir_g
Brad<or_.j_,-_JO----- Fastene r
DoorArm
On one-piece doors, before connecting the door arm to _qetrolley the travel limffs must be adjusted. Umit adjust-
ment screws are located on the left side panel as shown on page 28. Follow adjustment procedures below.
' I__L__ Closed
II Door OpenDoor Ooo_w_
I E.ack'watd Slant
Door Arm
Adjustment Procedures for One-Piece Doors
Open Door Adjustment:
Decrease UP limit
• Turn the UP limit adjustment screw counter-
clockwise 5-t/2 turns,
• Press the Wall Control push bar. 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 {imitfurther. One full tum equals 2" of
trolley travel.
Closed Door Adjustment:
Decrease DOWN limit
• Turn the DOWN limit adjustment screw clockwise
5 complete tums_
* Press the Wall Control push bar° 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 in the illustration° If
the arm is behind the connector hole, adjust the limit
further° One full turn equals 2" of trolley travel.
Connect the door arm to the trolley.
• Close the door and join the curved arm to the connecter 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
27