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Maintenance and Adjustments
Adjustment 1: Ch Adjusting Limit Switches and Force Controls
WARNING:
•A moving garage door 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..
ACLOSE ADJUSTMENT
•On front panel of Power Head find adjusting screw marked “CLOSE” (Figure
•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..
(Figure MA-2).. 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
•Tighten Limit Switch Set Screw.. Do not
BOPEN ADJUSTMENT
•On front panel of Power Head find adjusting screw marked “OPEN” (Figure
•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.
(Figure MA-2).. If door is fully open—adjustment is finished..
–If door stops but is not fully 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 10-11.
•Tighten Limit Switch Set Screw.. Do not over-tighten (strip) Limit Switch Set Screw..
CRun Door Opener
•Cycle opener a few times to double check settings.. Repeat adjustment steps as necessary..
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..
FORCE
CONTROLS
| CLOSE |
CL |
|
OSE |
|
OPEN | OPEN |
CLOSE
OPEN
Figure MA-1 Making Force Adjustments
OPEN
CLOSE
Figure MA-2 Making Force Adjustments
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