Adjustment
STEP 1 Adjust UP and DOWN Limits
LIMIT ADJUSTMENT settings (left side panel) regulate the paints at which the door will stop when moving up or down,
NOTE: | Door STOPS | in the | _0 | 0"0 | 00_F | I | LirnitAdjus_'rcent | |
UP direction if anything |
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interferes with door | travel. | Door REVERSES in the | Lef! Side | Panel | _ o | Screws | ||
DOWN | direction if anything interferes with the door | |||||||
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travel (including binding or unbalanced doors).
PROCEDURE: Press Wall Control push button or trans- mitter. Run opener through a COMPLETE TRAVEL
CYCLE. Limit adjustments are not necessary when the door opens and closes completely and doesn't reverse unintentionally in the down position.
The following chart outlines adjustment procedures. Run the opener through a COMPLETE TRAVEL CYCLE AFTER
EACH ADJUSTMENT. NOTE: REPEATED OPERATION OF THE OPENER DURING ADJUSTMENT PROCEDURES MAY CAUSE MOTOR TO OVERHEAT AND SHUT OFR SIMPLY WAIT 15 MINUTES AND TRY AGAIN. Read chart carefully before proceeding to Step 2. Use a screwdriver to make limit adjustments.
LIMIT ADJUSTMENT CHART
IF DOOR DOES NOT OPEN COMPLETELY BUT OPENS AT LEAST FIVE FEET
Increase UP travel. Turn the UP LIMIT adjustment screw clockwise. One turn equals 2" of travel.
If door does not open at least 5 feet: Adjust OPEN FORCE as explained in Step 2.
IF DOOR DOES NOT CLOSE COMPLETELY
IF DOOR REVERSES WHEN CLOSING AND THERE IS NO INTERFERENCE TO TRAVEL CYCLE
Test door for binding: Pull emergency release handle.
Manually open and close door. If door is binding, call a door serviceman. If door is not binding or unbalanced, adjust CLOSE FORCE. See Step 2.
IF OPENER REVERSES IN FULLY CLOSED POSITION
Increase DOWN travel. Turn down limit adjustment screw counterclockwise. One turn equals 2" of travel.
Decrease DOWN travel. Turn down limit adjustment screw clockwise. One turn equals 2" of travel.
If the door still will not close completely, the header bracket is positioned too high. Repeat Step 1, page 10.
STEP 2 AdjustForce
DO NOT USE FORCE ADJUSTMENTS TO COMPENSATE FOR A BINDING OR STICKING GARAGE DOOR.
EXCESSIVE FORCE.WILL INTERFERE WITH PROPER OPERATION OF SAFETY REVERSE SYSTEM OR DAMAGE GARAGE DOOR.
Force Adjustment Controls are located on right side panel of opener. FORCE ADJUSTMENT settings regulate amount of the power required to open and close door.
NOTE: The door STOPS in the UP direction if anything interferes with its travel. Door REVERSES in the DOWN
direction if anything interferes with its travel (including binding or unbalanced doors).
ffthe force adjustments are set too light, door travel may be interrupted by nuisance reversals in DOWN direction and stops in UP direction. Weather conditions can affect the
Forco Adjustment
Commls
door movement | so occasional | adjustment may be needed. |
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Maximum force | adjustment | range is 260 degrees, about |
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3/4 of a complete turn. Do not force controls beyond that | Right Side Panel | Adjus+t | Label | ||
point. Turn force adjustment controls with a screwdriver. |
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FORCE ADJUSTMENT CHART
TEST DOWN (CLOSE) FORCE
Grasp the door handle or door bottom when door is about halfway through DOWN (CLOSE) TRAVEL. Door should reverse. If the door is hard to held or doesn't reverse, decrease DOWN (CLOSE) FORCE by turning the control in a counterclockwise direction. Make 10 degree turn adjustments until door reverses normally. After each adjustment, run opener through a complete cycle.
IF DOOR DOESN'T OPEN
IF DOOR REVERSES DURING DOWN (CLOSE) CYCLE
increase DOWN (CLOSE) FORCE by turning the control clockwise. Make 10 degree turn adjustments until door
PROCEED TO STEP 3 | completes close cycle. After each adjustment, run the |
| opener through a complete travel cycle. |
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