The use of electric maintenance is Guan Jian, less oil, more times. The main is to avoid the oil added after will block the gas path caused by shock, shock overload. It can also prevent oil spills caused by too much fuel.
For lubrication, wear resistance.Hammer is a kind of safety clutch electric rotary hammer with a pneumatic hammer drilling mechanism. Hammer is the use of compressed gas piston, impact drill bit, need not make much effort, can open 6--100mm in concrete, brick, stone and other hard materials on the hole hammer in the above-mentioned materials on the opening of high efficiency, but it is not a hole in the metal.
