Shandong China Coal Group Drilling Machine Branch

Gas and water Malfunction failures of air leg rock drill are mainly due to: high water pressure, gas and water blocked, water valve spring failure, leakage, leakage, apron failure, parts of the valve

The reason for the formation of air leg rock drill water needle fault: The center hole of the shank is not correct, the gap between the shank and the shank is too large, the water needle is too long,

Cleaning with compressed air is dangerous. Do not use compressed air for cleaning unless no alternate method of cleaning is available. The nozzle pressure MUST remain below 207 kPa (30 psi). Personal

When you get your air leg rock drill, regardless you are new user or experienced use please do as the followings: Review the manufacturer's instruction of the air leg rock drill before using rather th

Air Leg Rock Drill, aka Pneumatic rock drill, requires daily care to keep in top shape. Followings are some acknowledges on how to properly maintain pneumatic rock drill with these basic steps.

Updated after Air Leg Rock Drill Safety(1): Using, Handing And Maintaining​( https://www.chinacoalindustry.com/newinfo475) Followings are the 2nd chapter of safety guidelines to follow when inspectin