CMC Owner's Manual Follow Click here to see all owner's manuals. For CMC Marine, please use the following numbers: Sales Phone: 800-654-3697Fax: 580-252-2970 Technical Support Phone: 580-252-1699Fax: 580-252-2970 Related articles How do I refill my CMC actuator with fluid? How do I purchase CMC replacement parts? How can I get product technical support? My CMC unit is stuck in the up position. Is my CMC unit still under warranty? Comments 0 comments Please sign in to leave a comment.