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Assemble the Door Arm:
• 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" x 1-1/4"
clevis pin.
• Secure with a ring fastener.
DO_
Ring
Rra_
5/16"L°ck
Nuts
Washers
5/16"-18
i/'_1
Clovis Pin
Straight
{
/_//
DOOr Arrrl
On one-piece doors, before connecting the door arm to the trolley the travel limits must be adjusted. Limit adjust-
ment screws are located on the left side panel _,s shown on page 28. Follow adjustment procedures below.
0
Fully Closed
TtOtloy
Fully Open
Trolley
........
.
J
!
__
Closed
I
Door
Open Door
Door with
I
I
Backward Slant
Doer Arm
Adjustment
Procedures for One-Piece Doors
open Door Adlustment:
Decrease UP limit
• Turn the 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
_rolley. The arm should touch the trolley just in
back of the door arm connector hole. Refer _o the
"u!_yapen _rolleyidoor arm positions in the
!llustration. _fthe arm does not extend far _r_ough,
adjust the iimit further. One full turn equals 2" of
",roiley travel.
Closed Door Adjustment:
Decrease DOWN limit
• Turn the DOWN limit adjustment screw clockwise
5 complete turns.
• Press the Door Control push button. The trolley will
travel to the fully closed position.
• Manually close the door and !ift the door arm to the
troJley. :he arm should touch the trolley just ahead
of ",he door arm connector hole. Refer to the fuily
,;losed trolley/door arm positions in the illustration.
if the arm is _ehind 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 connector hole in the trolley with the remaining ;levis pin. It may
be necessary to lift the door slightly to make the connection.
• Secure with a ring fastener.
j • Run the opener through a complete travel cycle. If '.he door has a slight "backward" slant in full open position
as shown in the illustration, decrease the UP !imit until the door is pa;a;..'. ;u the floor.
L
27
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