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● Monthly, test the obstruction and entrapment protection systems.
● Monthly, service the gate operator (make sure the power switch is OFF). Clean extended operator arm with
a soft, dry clean cloth.
● On all gates weighing 250 lb. or more, routinely grease the ball bearing hinges at least 4 times a year; more
frequently if the gates are near a coastal area.
● Monthly, turn off the power switch and disconnect the Mighty Mule and move the gate to make sure the
gate is moving freely without sticking or binding. Lubricate the hinges or repair the gate as required before
reattaching the Mighty Mule.
● Monthly, check the gate system for potentially entrapments from new landscaping or construction.
Eliminate or guard as required.
● Monthly, check that the warning signs are mounted on each side of the gate and clearly visible. Replace the
signs if they are missing or damaged.
● Replace batteries every 2-3 years and properly recycle old batteries.
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MM571W / MM572W Installation Instructions
Maintenance
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Table of Contents
Troubleshooting
Need help?
Do you have a question about the MM571W and is the answer not in the manual?
Questions and answers
The Mule gate was opened. When the remote was pressed to close, there was one very long beep and the gate did not close and the system appeared to just shut down.
A long beep when trying to close the Mighty Mule MM571W gate indicates that the control board senses a continuous alarm due to an obstruction or a lack of arm movement. The system shuts down because it detects that the gate requires maintenance or is too difficult to move. To resolve this, check the gate for level and plumb, ensure it moves freely without sticking or binding, and adjust the force factor if necessary.
This answer is automatically generated
Setting open limit, gate traveling too far when opening. MM572