Hydraulic rock drill is used in tunnel and rock mine mining, high efficiency, because it often deals with mining stones, a failure will inevitably occur for a long time, the common 15 common failure analysis and maintenance are as follows:
1) No hydraulic oil pressure
2) The tightening screw is unbalanced or bent
3) The piston is scratched
4) The valve is scratched
Check the air pressure in the accumulator, and re-inflate if necessary. If the accumulator cannot maintain the required pressure, there may be air leakage at the air nozzle or the diaphragm is damaged, and it should be replaced.