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Adjustment
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STEP 1 Adjust
LIMIT ADJUSTMENT settings regulate the points at which
the door will stop when mowng up or down.
NOTE: Door STOPS in the UP direction if anything
interferes with door travel. Door REVERSES in the
DOWN direction if anything interferes with the door
travel (including binding or unbalanced doors).
PROCEDURE: To operate opener, press wall push button
or transmitter, Run the opener through a COMPLETE
TRAVEL CYCLE, Limit adjustments are not necessa_
when the door opens and closes completely and doesnt
reverse unintentionally in the down position
UP and DOWN Limits
Limil
Adjustment
Leit Sid'e Panel
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The following chad 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 OFF, 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 [.EAST 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 2r
IF DOOR DOES NOT CLOSE COMPLETELY
(ON SECTIONAL DOORS)
Increase DOWN traveLTurn down limit adjustment screw
counterclockwise. One turn equals 2" of travel
If the door still will not closecompletely, the header bracket
is positioned too high. Repeat Step 1, page 10
IF DOOR DOES NOT CLOSE COMPLETELY
(ON ONE-PIECE DOORS)
Increase DOWN travaloTurn the down limit adjustment
screw counterclockwise. One turn equals 2" of travel
IF DOOR REVERSES WHEN CLOSING AND THERE
tS NO INTERFERENCE TO TRAVEL CYCLE
Test door for binding: Full emergency release handle°
Manually open and close doer, 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
Decrease DOWN travel Turn down limit adjustment screw
clookwise_ One turn equals 2" of travel,
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STEP 2 Adjust Force
DO NOTuSE FORCE ADJUSTMENTS TO COMPENSATE FOR A BINDING OR STICKING _RAGE DooR,
EXCESSIVE FORCE WILL INTERFERE WITH PROPER OPERATION OF SAFETY REVERSE SYSTEM OR
DAMAGE GARAGE DOOR.
Force Adjustment Controls are located on rear 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),
If the force adjustments are set too light, door travel may be
interrupted by nuisance reversals in DOWN direction and
steps in UP directionrAs weather conditions can affect the
door movement, occasiona! adjustment may be needed.
Maximum force adjustment range is 260 degrees, about
3/4 of a complete turn° Do not force controls beyond that
point° Turn force adjustment controls with a screwdriver.
Force
Adjustmenl
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 hold 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.
PROCEED TO STEP 3
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17
Adjustment, Label
IF DOOR DOESN'T OPEN AT LEAST 5 FEET
Increase UP (OPEN) FORCE by turning control clockwise.
Make 10 degree turn adjustments until door opens
completely. Readjust UP LIMIT if necessary. After each
adjustment, run opener through a complete travel cycle.
IF DOOR REVERSES DURING DOWN (CLOSE) CYCLE
Increase DOWN (CLOSE) FORCE by turning the control
clockwise, Make 10 degree turn adjustments until door
completes close cycle. After each adjustment, run the
opener through a complete travel cycle.
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