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 8mm x 32mm clevis pin.

•Secure with a ring fastener.

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 left side panel as shown on page 25. Follow adjustment procedures below.

A. Open Door Adjustment: Decrease UP Travel Limit

•Turn the UP limit adjustment screw counter- clockwise 4 1/2 turns.

•Press the Remote Control transmitter 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 50mm of trolley travel.

B. Closed Door Adjustment: Decrease DOWN Travel Limit

•Turn the DOWN limit adjustment screw clockwise 4 complete turns.

Door

 

 

 

Bracket

Ring

 

 

 

Fastener

 

Nuts

 

 

Lock

 

 

8mm

 

 

Washers

 

 

 

 

 

8mm

 

Clevis Pin

Straight

 

 

Arm

 

 

8mm x 32mm

 

 

 

 

 

 

Screws

 

 

 

8mm x 20mm

 

Curved

 

 

 

Door Arm

•Press the Remote Control transmitter 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 50mm of trolley travel.

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.

Fully Closed

Trolley

Door Arm

Connector Hole

Door Arm

Emergency Release Handle

Closed

Door

 

 

Fully Open

 

 

Trolley

 

Correct Angle

Door Arm

 

 

Connector Hole

 

Door with

Door Arm

Open Door

Backward Slant

 

(Undesirable)

 

 

 

114A2845

24

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Chamberlain 1150, 1160, 80ad, 1140 ALL ONE-PIECE Doors, Assemble the Door Arm, Adjustment Procedures for One-Piece Doors
Page 23 Page 25

1155, 1156, 1140, 1150, 80ad specifications

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