The internal combustion rock drill is a handheld rock drilling tool that is composed of a small gasoline engine, an air compressor, and a rock drill. A rock drill is a tool used to directly mine stone.
[pdf] In 1986, Lianhuashan Drilling Tools Co., Ltd. introduced a full set of HYD200 hydraulic rock drill production technology from France Secoma Company and successfully produced China's first hydraulic rock drill.
[pdf] Fill the reservoir with air tool oil or 10W equivalent for 9 lb and 15 lb class. Use rock drill oil for the 38 lb and 60 lb class tools. Check all nuts and bolts to ensure they are tight on the tool. Make sure retainer locks into place. Replace retainer and springs if worn.
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