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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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