All One-Piece Doors; Connect The Door Arm To The Trolley - Craftsman 139.53985DM Manual Del Propietário

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ALL ONE-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"xl -1/4" clevis pin.
• Secure with a ring 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 27. Follow adjustment procedures
below.
• Open door adjustment:
decrease
UP
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. 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 2" (5 cm) of trolley travel.
• Closed door adjustment:
decrease
DOWN travel
limit
- Turn the DOWN limit adjustment screw clockwise
4 complete turns.
Door
Bracket
__j_,,_,._b=------
Ring
__.<_
Fastener
Nuts
|_
_-___
Lock
5/16"-18
_"_-_
_._
Washers
[
_
Clev_traig
ht_
"__
t_-_
[
/
//
Bolts
_
/
" _ '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/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. 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 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.
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.
Figure 5
Inner Trolley
Emerge..L_
ncy Release Handle
Closed
Door
Inner Trolley
Outer Trolley
Open Door
26
( Inco rrect)

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