2060-3060
eng.qxd
11/9/05
11:02
AM
Page
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WARNING
•
A moving grage door can cause serious injury or death.
•
Keepthe path clear.
•
Position the ladder to the side of the Power Head so it is
clear of all moving parts of the Opener and the door.
•
Set the door Opener to use the minimum force needed
to open the door.
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B
OPEN ADJUSTMENT
•
On front panel of Power Head find adjusting
screw
marked "OPEN" (Figure 9).
•
Gently turn screw counterclockwise
until it stops.
-
Very little force is required to turn adjusting
screw.
•
Press Wall Console to close garage door.
-
Observe if door stops at"OPEN" limit switch.
If door is fully open--adjustment
is finished.
-
If door stops but is not fuly open,
a.
Measure distance between
bottom
of door
top of door opening.
b.
Move "OPEN" Limit Switch that same distance
toward Power Head.
-
If door stops before reaching the"OPEN" Limit Switch
a.
Slightly increase OPEN Force setting (clockwise).
-
If door fails to move, see Troubleshooting
Section,
pages 15.
C
Run Door Opener
•
Cycle opener a few times to double check settings.
Repeat adjustment
steps as necessary.
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NOTE
Limit Switch and Force Adjustments must be completed
before checking the contact reverse function (Figure 10
).
A
Open garage door using Wall Console.
B
Lay a 2" x 4" board flat in center of doorway.
C
Close door using Wall Console.
D
Check that door stops and reverses within
2 seconds after it
contacts board:
•
If door does not reverse, decrease Close Force until
door reverses.
•
If door still does not reverse, move Limit Switch
toward door.
E
Check Safe-T-Beam ® System operation:
•
If beam is blocked, door will not close.
NOTE
The door must contact the 2" x 4" board before the Carriageactivates
the Close Limit Switch. If not, readjust the Close Limit Switch.
2" x 4" board
laid flat
Figure 10 Checking Contact
Reverse
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