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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 close completely, 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 directionr As 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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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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