Using the Carry 105 mini electric track dumper is quite straightforward. First, make sure the Lithium - Iron - Phosphate batteries are fully charged. Then, you can start the dumper and use it to carry materials. When using the tipping bucket, just operate the controls to tip the materials where you need them. For the self - loading shovel, use it to scoop up materials easily. When using the dump platform with opening sides, you can access the materials from the sides. As for maintenance, regularly check the battery charge level. Keep the dumper clean and check for any loose parts. If you notice any problems, contact the manufacturer's customer service. Also, always operate the dumper in a safe environment and follow all safety instructions provided.