ALL ONE-PIECE DOORS

1.Assemble the door arm, Figure 4:

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 5:

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 28. Follow adjustment procedures below.

Open door adjustment: decrease UP travel limit

Door

Ring

 

Bracket

 

 

Fastener

Nuts

 

Lock

 

5/16"-18

 

Washers

 

Clevis Pin

5/16"

 

Straight

 

5/16"x1-1/4"

Arm

 

 

Bolts

Curved

Figure 4

5/16"-18x7/8

Door Arm

 

-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 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 2" (5 cm) of trolley travel.

3.Connect the door arm to the trolley:

- Turn the UP limit adjustment screw counter-

• Close the door and join the curved arm to the

clockwise 5-1/2 turns.

connector hole in the trolley with the remaining clevis

- Press the Door Control push button. The trolley will

pin. It may be necessary to lift the door slightly to

travel to the fully open position.

make the connection.

- Manually raise the door to the open position (parallel

• Secure with a ring fastener.

to the floor), and lift the door arm to the trolley. The

• Run the opener through a complete travel cycle. If the

arm should touch the trolley just in back of the door

door has a slight "backward" slant in full open position

arm connector hole. Refer to the fully open

as shown in the illustration, decrease the UP limit until

trolley/door arm positions in the illustration. If the arm

the door is parallel to the floor.

does not extend far enough, adjust the limit further.

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

One full turn equals 2" (5 cm) of trolley 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

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

5 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

 

 

 

 

Door with

Open Door

 

Backward Slant (Incorrect)

27