Gianni Industries AD-425S instruction manual need a Stopper Ball

Steps	Figures	Explanation
Step 24.	Fix	the Sliding Rail on the door leaf. (Screw
	specification: 6 X 20 mm)

Step 25. Slide in the Sliding Rail Cover.

Step 26. Attach two Side Ends.

Step 27.	Depending on the door leaf opening angle, there may
	need a Stopper Ball.

Optional electric lock, wireless push button, microwave

Step 28.sensor, reader and other accessories can be used with the AD-425S operator. See the Control Board guide above on Page 3-5 to wire this application.

Step 29.	After the initial installation, please connect AC power
	and turn the switch on.

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P-MU-AD425S Ver. A Publish:2008.07.11	Page: 16/ 20