1.In order to protect the slewing mechanism,the machine can't be overloaded.
2.The rock drill uses gasoline as fuel,it's easy and convenient to carry it.
3.To prevent the machine from shutting down,we should always pay attention to the stoppage of the center hole of the drill rod.
© Shandong China Coal Group. © 2016
Address:No. 11, North of Kaiyuan Road, High-tech Zone, Jining City, Shandong Province, China
Executive Editor: Linda Zhang