Chamberlain 3585CS 3/4HP NOTE:, limit, Figure, Figure, travel limit, ALL ONE-PIECEDOORS, 1. Assemble the door arm, Figure 4:, 2. Adjustment procedures, Figure 5:

ALL ONE-PIECE DOORS	Door	Ring
1. Assemble the door arm, Figure 4:	Bracket	Ring
1. Assemble the door arm, Figure 4:		Fastener	Nuts
• Fasten the straight and curved door arm sections		Lock	Nuts
• Fasten the straight and curved door arm sections		Lock	5/16"-18
together to the longest possible length (with a 2 or 3		Washers
together to the longest possible length (with a 2 or 3		5/16"
hole overlap).	Clevis Pin	Straight
• With the door closed, connect the straight door arm	5/16"x1-1/4"	Arm
• With the door closed, connect the straight door arm		Bolts
section to the door bracket with the		Bolts	Curved
section to the door bracket with the		5/16"-18x7/8	Curved
5/16"x1-1/4" clevis pin.	Figure 4	5/16"-18x7/8	Door Arm
			Door Arm

• Secure with a ring fastener.	- Press the Door Control push button. The trolley will
2. Adjustment procedures, Figure 5:	- Press the Door Control push button. The trolley will
2. Adjustment procedures, Figure 5:	travel to the fully closed position.
• On one-piece doors, before connecting the door arm	travel to the fully closed position.
• On one-piece doors, before connecting the door arm	- Manually close the door and lift the door arm to the
to the trolley, the travel limits must be adjusted. Limit	- Manually close the door and lift the door arm to the
to the trolley, the travel limits must be adjusted. Limit	trolley. The arm should touch the trolley just ahead
adjustment screws are located on the left side panel	trolley. The arm should touch the trolley just ahead
adjustment screws are located on the left side panel	of the door arm connector hole. Refer to the fully
as shown on page 23. Follow adjustment procedures	of the door arm connector hole. Refer to the fully
as shown on page 23. Follow adjustment procedures	closed trolley/door arm positions in the illustration. If
below.	closed trolley/door arm positions in the illustration. If
below.	the arm is behind the connector hole, adjust the limit
• Open door adjustment: decrease UP	the arm is behind the connector hole, adjust the limit
• Open door adjustment: decrease UP	further. One full turn equals 3" (7.5 cm) of trolley
travel limit	travel.
- Turn the UP limit adjustment screw	3. Connect the door arm to the trolley:
counter-clockwise 4 turns.	• Close the door and join the curved arm to the
- Press the Door Control push button. The trolley will	• Close the door and join the curved arm to the
- Press the Door Control push button. The trolley will	connector hole in the trolley with the remaining clevis
travel to the fully open position.	pin. It may be necessary to lift the door slightly to
- Manually raise the door to the open position	make the connection.
(parallel to the floor), and lift the door arm to the	• Secure with a ring fastener.
trolley. The arm should touch the trolley just in back	• Run the opener through a complete travel cycle. If the
of the door arm connector hole. Refer to the fully	• Run the opener through a complete travel cycle. If the
of the door arm connector hole. Refer to the fully	door has a slight “backward” slant in full open position
open trolley/door arm positions in the illustration. If	door has a slight “backward” slant in full open position
open trolley/door arm positions in the illustration. If	as shown in the illustration, decrease the UP limit until
the arm does not extend far enough, adjust the limit	as shown in the illustration, decrease the UP limit until
the arm does not extend far enough, adjust the limit	the door is parallel to the floor.
further. One full turn equals 3" (7.5 cm) of trolley	the door is parallel to the floor.
further. One full turn equals 3" (7.5 cm) of trolley	NOTE: When setting the up limit on the following page,
travel.	NOTE: When setting the up limit on the following page,
travel.	the door should not have a “backward” slant when fully
• Closed door adjustment: decrease DOWN travel	the door should not have a “backward” slant when fully
• Closed door adjustment: decrease DOWN travel	open as illustrated below. A slight backward slant will
limit	open as illustrated below. A slight backward slant will
limit	cause unnecessary bucking and/or jerking operation as
- Turn the DOWN limit adjustment screw clockwise	cause unnecessary bucking and/or jerking operation as
- Turn the DOWN limit adjustment screw clockwise	the door is being opened or closed from the fully open
4 complete turns.	position.
Figure 5
Inner Trolley
Outer Trolley
Door Arm
Connector Hole
Door Arm
Emergency Release Handle
Closed
Door
Inner Trolley
		Outer Trolley
Correct Angle	Door Arm
Correct Angle
	Door with
Open Door	Backward Slant (Incorrect)