How Does Pionjar 120 Jack Hammer Work?

The internal combustion rock drill type YN27C is a very efficient hand held drill machine bulit up with gasoline engine, air pump, rock drill and the rotation plumbum equipment for running or stop. It can be used for breaking, percussive drilling, tamping besides rock.
This Pionjar 120 Jack Hammer is a hand-operated rock drilling tool,composed of a small petrol engine,an air compressor and a rock dill It is available for drilling splitting breaking,ramming, shoveling And widely used in mining,road-construction,quarrying and national defense construction.