After the first 500 working hours, the screw compressor need to do the first maintenance. It needs to change the air filter, oil filter, lubricating oil, also need to change the maintenance parameters. Then each 3000 working hours needs to do maintenance for the screw compressor.
[pdf] In the application of drilling machinery, the air-leg rock drillcan only drill small-aperture, medium-shallow blast holes; the heavy-duty rail-type rock drill can also drill deep blast holes through the post, but the en.
[pdf] This DTH drilling rig is specifically designed for photovoltaic foundation pile holes. It is equipped with an 86kW engine and a high-efficiency desert air filter, supporting a maximum drilling diameter of 500mm.
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