E: OPERATION AND ADJUSTMENT INSTRUCTIONS

Adjustment #3: Setting Door Close Limit

Confirm trolley close position 9” to 10” between the inside face of the door and the point where the door arm connects to the trolley (see illustration).

If adjustment of the close trolley position is necessary, activate the opener and move the trolley 12” to 18” to provide access to the “Limit Stop” devices (mounted on the chain). Move the limit stop to establish the correct trolley close position as above.

Relocation of “Limit Stop” toward the door increases down travel. Relocation of the limit stop away from the door reduces down travel. Note that each chain link provides 1/2” adjustment of trolley travel.

 

9”to10”

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Trolley

 

 

 

 

 

 

(Close Limit Position)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Chain

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Limit Stop

 

 

 

 

 

 

 

 

 

 

 

 

Door

Cushion Arm

 

 

 

 

 

 

 

Bracket

 

 

Assembly

 

 

 

 

 

 

 

 

 

 

110054-1

 

 

 

 

 

 

 

 

 

 

 

 

Adjustment #4: Obstruction Sensing (Closing Direction)

Your opener is designed to automatically reverse the door during closing travel whenever it comes into contact with an object up to the last 1-1/2 inch of travel above the floor. An object on the floor with a height of less than 1-1/2 inch will cause the door to stop. (Test according to the instructions below.)

If the opener reverses properly with a 2” x 4” laid flat on the garage floor (as the test below) and stops in the fully closed position, proceed to Adjustment #5.

If the door reverses when it comes into contact with the floor, move the close limit stop, located on the left side (inside looking out, see figure Adjustment #1), towards the power head unit. It is advised that you move the close limit stop one link at a time and run opener through another close cycle, until the door stops when it comes into contact with the floor.

WARNING

IF LIMITS ARE NOT ADJUSTED PROPERLY, THE EMERGENCY RELEASE MECHANISM MAY NOT WORK PROPERLY AND DOOR OPERATION COULD RESULT IN DOOR DAMAGE, SERIOUS PERSONAL INJURY OR DEATH!

When the door comes into contact with a 2” x 4” laid flat on the garage floor and stops intends of reversing, move the close limit stop away from the power head unit. It is advised that you move the close limit stop one link at a time and run opener through another close cycle, until the door reverses when it comes into contact with the 2” x 4”.

Important Test: Opener Obstruction Sensing Feature for Doors (both Sectional and One Piece)

A.Activate door to the Open position.

B.Place 2” x 4” laid flat on garage floor under path of the door. See Figure.

C Activate door to close position; upon contacting solid object, the door should stop, then reverse direction within 2 seconds and travel to the full open position.

Note: If the fails to pass this test, see Adjustment 3 above and move the Close Limit Stop one increment towards the door to increase down travel. Also review Steps 8 and 9, Page 10 for Sectional Doors or Step 10, Page 11 for One Piece Doors.

110055-3

Solid Test Object

REPEAT THIS TEST MONTHLY!

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Allstar Products Group AC9300 Adjustment #3 Setting Door Close Limit, Adjustment #4 Obstruction Sensing Closing Direction
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AC9300, AC9500, ACJ9500 specifications

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