GE Fanuc Automation Digital AC Servo Systems Maintenance Manual Printed in January 1990. Used, in very good pre-owned condition. May have some writing, slight stains, and/or marks on cover or pages. Feedback Helps Us Grow! We are dedicated to continually improving our customer satisfaction. We would love for you to leave us excellent reviews and ratings on our Seller page. If you were not satisfied with anything you received or have an issue which needs to be resolved, contact us directly.