Craftsman Garage Door Opener Owner's Manual download pdf (Page 19)

ALL ONE-PIECE DOORS

ASSEMBLE DOOR ARM: Fasten straight and curved

door arm sections together to their longest possible

length. With door closed, connect straight door arm

section to door bracket with a clevis pin. Secure with a

ring fastener.

Before connecting door arm to trolley, limits of travel must be adjusted on one-piece doors. Limit adjustment screws

are located on left side panel as shown in illustration on Page 20. Follow procedures below.

ADJUSTMENT PROCEDURES

OPEN DOOR ADJUSTMENT

CLOSED DOOR ADJUSTMENT

Decrease UP limit. Turn UP limit adjustment screw

counterclockwise 4 complete turns.

Press door control button Trolley will travel to full open

position.

Manually raise door arm to open position (parallel to

floor) and lift door arm to trolley. The arm should touch

trolley just in back of door arm connector hole as shown

in solid line drawing. If arm does not extend far enough,

adjust limit further. One full turn equals 2" of door travel.

Decrease DOWN limit. Turn DOWN limit adjustment

screw clockwise 8 complete turns.

Press door control button. Trolley will travel to full closed

position.

Manually close door and lift door arm to trolley. The arm

should touch trolley just ahead of door arm connector

hole as shown in dotted line drawing. if arm is behind

the connector hole, adjust limit further. One full turn

equals 2" of door travel.

CONNECT DOOR ARM TO TROLLEY: With door closed, join curved arm to connector hole in trolley with remaining

clevis pin. Secure- with ring fastener. NOTE: It may be necessary to lift door slightly to make connection.

Run opener through a complete travel cycle. If door has a slight 'backward' slant in full open position, decrease UP

limits until door is parallel to floor.

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Craftsman Garage Door Opener Owner's Manual Page 19