2060-3060
eng.qxd
11/9/05
11:02
AM
Page
9
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A
Setting
Close Limit Switch
(Figure
9):
•
Check that Carriage Assembly is disengaged.
•
With garage door fully closed, slide Close Limit Switch
toward Carriage until white lever is fully lifted.
•
Tighten Set Screw. Do Not over-tighten.
B
Setting Open Limit Switch:
•
Manually
open garage door to full open position.
°
Slide Open Limit Switch toward
Carriage until white lever
is fully lifted.
•
Tighten Set Screw. Do not over-tighten.
•
Re-engage Carriage Assembly.
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WARNING
•
The garage door opens rapidly, and 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.
A
CLOSE ADJUSTMENT
•
On front panel of Power Head find adjusting
screw
marked "CLOSE" (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"CLOSE" limit switch.
If door is fully closed--adjustment
is finished.
Go to "OPEN" Adjustment.
-
If door stops but is not fully closed,
a.
Measure distance between
bottom
of door
and floor.
b.
Move "CLOSE" Limit Switch that same distance
toward door.
-
If door stops and/or reverses before reaching the
"CLOSE" Limit Switch
a.
Slightly increase CLOSE Force setting (clockwise).
-
If door reverses after contacting
floor, move Limit
Switch toward
Power Head.
-
If door fails to move, check Safe-T-Beam ® System. See
Troubleshooting
Section, page 14.
•
Tighten Limit Switch Set Screw. Do not over-tighten
(strip) Limit Switch Set Screw.
NOTE
o
Little effort is required to turn the Force
Adjusting Knobs.
•
If the door stops moving while opening or
closing, adjust the Open Force or Close Force
Controls slightly clockwise (to slightly
increase the force) and retry the step.
•
The Open Force and Close Force Controls are to
be set to the minimum force necessary to
ensure the door smoothly opens and
closes completely.
•
Ensure the Carriage Assembly is engaged and is
between the two Limit Switches before
operating the Opener.
FORCE
CONTROLS
Figure 9 Making Force Adjustments
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Open adjustment
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