26
ALL ONE-PIECE DOORS
1. Assemble the door arm, Figure 4:
• Fasten the straight and cur
v
ed door arm sections
together to the longest possible length (
w
ith a 2
or 3 hole o
v
erlap).
•
W
ith the door closed, connect the straight door
arm section to the door bracket
w
ith the
5/16"x1-1/4" cle
v
is pin.
• Secure
w
ith a ring fastener.
2. Adjustment procedures, Figure 5:
• On one-piece doors, before connecting the door
arm to the trolley, the tra
v
el limits must be
adjusted. Limit adjustment scre
w
s are located on
the left side panel as sho
w
n on page 27. Follo
w
adjustment procedures belo
w
.
• Open door adjustment: decrease UP
travel limit
- Turn the UP limit adjustment scre
w
counter-clock
w
ise 4 turns.
- Press the Door Control push button. The trolley
w
ill tra
v
el 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 3" (7.5 cm) of trolley tra
v
el.
• Closed door adjustment: decrease DOWN
travel limit
- Turn the DO
WN
limit adjustment scre
w
clock
w
ise 4 complete turns.
N
uts
5/16"-18
Lock
W
ashers
5/16"
Ring
Fastener
Straight
Arm
Bolts
5/16"-18x7/8"
Door
Bracket
Cle
v
is Pin
5/16"x1-1/4"
Cur
v
ed
Door Arm
- Press the Door Control push button. The trolley
w
ill tra
v
el 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
3" (7.5 cm) of trolley tra
v
el.
3. Connect the door arm to the trolley:
• Close the door and join the cur
v
ed arm to the
connector hole in the trolley
w
ith the remaining
cle
v
is pin. It may be necessary to lift the door
slightly to make the connection.
• Secure
w
ith a ring fastener.
• Run the opener through a complete tra
v
el cycle.
If the door has a slight “back
w
ard” slant in full
open position as sho
w
n 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 fully open as illustrated below. A slight
backward slant will cause unnecessary bucking
and/or jerking operation as the door is being opened
or closed from the fully open position.
Fi
g
ure 4
Door Arm
Closed
Door
Outer Trolley
Emergency Release Handle
Open Door
Door
w
ith
Back
w
ard Slant
(Incorrect)
Correct Angle
Inner Trolley
Inner Trolley
Outer Trolley
Fi
g
ure 5
