ALL ONE-PIECE DOORS1. Assemble the door arm, Figure 5:

IMPORTANT: The groove on the straight door arm MUST face away from the curved 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 fastener.

2.Adjustment procedures, Figure 6:

•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.

Figure 5

CORRECT

 

INCORRECT

Straight

 

 

Straight

 

Door Arm

 

 

 

 

Curved

Door Arm

Curved

 

 

 

(Groove

 

Door

 

Door

facing out)

 

Arm

 

Arm

Door

 

Ring

 

 

Bracket

 

Fastener

Lock

Nuts

 

 

 

Washers

5/16"-18

 

Straight

5/16"

 

Clevis Pin

 

 

Arm

 

 

 

5/16"x1-1/4"

 

 

 

 

 

 

 

 

 

Bolts

 

Curved

 

 

5/16"-18x7/8"

 

Door Arm

• Open door adjustment: decrease UP travel limit

- Press the door control push button. The trolley will

travel to the fully closed position.

- Turn the UP limit adjustment screw

- Manually close the door and lift the door arm to the

counter-clockwise 4 turns.

trolley. The arm should touch the trolley just ahead

- Press the door control push button. The trolley will

of the door arm connector hole. Refer to the fully

travel to the fully open position.

closed trolley/door arm positions in the illustration.

- Manually raise the door to the open position

If the arm is behind the connector hole, adjust the

(parallel to the floor), and lift the door arm to the

limit further. One full turn equals 3" (7.5 cm) of

trolley. The arm should touch the trolley just in back

trolley travel.

of the door arm connector hole. Refer to the fully

3. Connect the door arm to the trolley:

open trolley/door arm positions in the illustration. If

• Close the door and join the curved arm to the

the arm does not extend far enough, adjust the limit

connector hole in the trolley with the remaining

further. One full turn equals 3" (7.5 cm) of trolley

clevis pin. It may be necessary to lift the door

travel.

slightly to make the connection.

• Closed door adjustment: decrease DOWN travel

• Secure with a ring fastener.

limit

• Run the opener through a complete travel cycle. If

- Turn the DOWN limit adjustment screw clockwise

the door has a slight “backward” slant in full open

4 complete turns.

Figure 6

position as shown in the illustration, decrease the

Inner Trolley

UP limit until the door is parallel to the floor.

NOTE: When setting the up limit on the following page, the

 

 

Outer Trolley

 

 

 

 

door should not have a “backward” slant when fully open

 

 

 

 

 

 

 

 

as illustrated below. A slight backward slant will cause

Door Arm

unnecessary bucking and/or jerking operation as the door

is being opened or closed from the fully open position.

 

 

 

 

 

 

 

 

 

Emergency Release

Handle

Closed Door

Inner Trolley

Outer Trolley

Correct Angle

Door with

Open DoorBackward Slant

26(Incorrect)