Connect Door Arm To Trolley (One-Piece Door) - Craftsman 139.53663SRT Owner's Manual

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All ONE-PIECE
Doors
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"x1-1/4"
clevis pin.
• Secure with a ring t:astener.
Door
Ring
Straight
Arm
Screws
5/16%18x7/8
Lock
Washers
5/16"
Nuts
5/16"-18
Cu_ed
Door Arm
Adjustment
Procedures
for One-Piece
Doors
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 right side panel as shown on page 28. Follow adjustment procedures below.
Fully Closed
TroIley
Fully Open
Trolley
Door Arm
Connector
Hote
..........................................
_
o
o
o
o
o
o
o
, .............
t.........................
:::F..........
Closed
Door
Open Door
Door with
Door Arm
,
Backward
Slant
Open Door Adjustment:
Decrease UP Travel 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.
• Malmally 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" of trolley travel.
Closed Door Adjustment:
Decrease DOWN Travel Limit
•Turn the DOWN limit adjustlnent screw clockwise
5 COlnplete turns.
• 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 com_ector hole. Refer to the fully closed
trolley/door arm positions in the illustration. If the arm
is behind the com_ector 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 m)lley with the remaining clevis pin. It may be
necessary
to lift the door slightly to make the connection.
• Secure with a ring t:astener.
• Run the opener through a complete travel cycle. If the door has a slight "backward" slant in full ()pen position as shown
in the illustration, decrease the UP limit until the door is parallel m the floor.
27

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