Adjustment

STEP 3 Test Safety Reverse System

TH E SAFETY REVERSE SYSTEM TEST IS IM PORTANT. THE GARAGE DOOR MUSTREVERSE ON CONTACT WITH A ONE INCH OBSTACLE PLACED ON THE FLOOR. FAILURE TO PRO- PERLY ADJUST OPENER MAY RESULT IN SERIOUS PERSONAL INJURY FROM A CLOSING GARAGE DOOR. REPEAT TEST AT LEAST FOUR TIMES A YEAR AN D ADJUST AS NEEDED.

PROCEDURE: Place a 1-inch obstacle on the floor under the garage door Operate door in DOWN direction The door must reverse on the obstruction

If a SECTIONAL door STOPS on the obstruction, lengthen door arm until the door reverses in DOWN

direction, (Refer to Step 1O, FIG_ C., Page 16

Fasten

SECTIONAL DOOR

sections together to longest possible length),

 

If a ONE-PIECE door stops on obstruction,

door is

 

not traveling far enough in DOWN direction, Increase the DOWN limit by turning DOWN limit adjustment

screw counterclockwise 1/4 turn REPEAT TEST

When the door reverses on the 1-inch obstruction, remove obstruction and run opener through a com- plete travel cycle. Door must not reverse in closed position_ If it does, repeat Adjustment Steps 2 and 3

ONE-PIECE DOOR

I Inch Obstruction

REPEAT ADJUSTMENT STEP 3 AFTER:

1.EACH ADJUSTMENT OF DOOR ARM LENGTH, CLOSE FORCE OR DOWN LIMIT.

2.ANY REPAIR OR ADJUSTMENX OF GARAGE DOOR (INCLUDING SPRINGS AND HARDWARE).

3.ANY REPAIR OR BUCKLING OF THE GARAGE FLOOR°

4.ANY REPAIR OR ADJUSTMENT OF THE GARAGE DOOR OPENER.

(Optional)STE P 4 Install Infrared Reversing System

The INFRARED REVER_ING SENSOR provides an ADDITIONAL measure of safety against a small child

being caught under a garage door It uses an invisible beam which, when broken by an obstruction, causes a closing door to open and prevents an open door from closing

After the garage door opener has been completely

installed and adjusted, the INFRARED REVERSING SENSOR accessory can be installed Instructions are included with this optional device

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Craftsman 139.53403, 139.53610 owner manual Test Safety Reverse System, Sectional Door

139.53610, 139.53403 specifications

The Craftsman 139.53403 and 139.53610 are two innovative garage door openers that have gained popularity among homeowners for their advanced features, reliability, and ease of use. Both models are designed to enhance the convenience and security of managing garage doors, making them indispensable tools for modern homes.

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Installation of these models is designed to be user-friendly, with many customers reporting that they were able to set them up in less than an hour. The clear instructions and included hardware make the process straightforward, so even those with minimal DIY experience can successfully install their garage door openers.

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