国产女人18毛片水真多1,36颜色从浅到深排序图,91新超碰极品盛宴分类,爱插逼逼888 高清在线一区二区,a国产,国产欧美另类久久久精品免费,高清一区高清二区视频

Maintenance of molding machine
    Circuit: pay attention to the cleaning of the circuit board, clean up the dust of the strong and weak electric box regularly, keep the electric box dry and prevent the dampness.
    Oil road: check the oil leakage in all parts of the oil road and deal with it in time. Prevent piston rod scraping and oil deterioration.
    Mechanical transmission parts: machine to check the wear phenomenon, check each mouth has no butter and butter note closed.
    Other notes: hydraulic oil a year to replace a clean oil tank and sludge water cooler, clean up oil caused by rising oil to prevent accelerated aging, of course, safety is no small matter, security door switch circuit, oil pressure relief valve, mechanical safety block machine, warning lights when maintenance must check whether the normal work.