Adjustments - Genie Chainlift 2020 Operation And Maintenance Manual

Chain driven opener
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A
DJUSTMENTS
C
1:
A
H
DJUSTMENT
Coarse Setting of Limit Switches
A
Setting Close Limit Switch (Figure 9):
Check that Magnetic Carriage Assembly is disengaged.
With garage door fully closed, slide Close Limit Switch
until it is aligned with Carriage Assembly Magnet.
Tighten Set Screw. Do Not over-tighten.
B
Setting Open Limit Switch:
Manually open garage door to full open position.
Slide Open Limit Switch until it is aligned with Carriage
Assembly Magnet.
Tighten Set Screw. Do not over-tighten.
Re-engage Magnetic Carriage Assembly.
Setting Force Controls and Final Adjustment of
Limit Switches
The garage door opens rapidly, and can cause serious
injury or death.
Keep the 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, pages 15 and 16.
Open adjustment next page.
For Help, call 1-800-35-GENIE or visit www.geniecompany.com
S
L
S
ET
IMIT
WITCHES AND
F
C
ORCE
ONTROLS
WARNING
NOTE
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.
OPEN
FORCE
LOCATED
UNDER
LIGHT
COVER
CLOSE
FORCE
Figure 9 Making Force Adjustments
(Located Lower Right Corner).
9

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