1. Clean the appearance and dead corners of drilling and milling machine, disassemble and wash each cover, and require clean inside and outside, no rust, no yellow robe, and the paint can see the natural color of the iron and see the light. Clean the guide rail surface and remove the burr of the work surface. Check the completion screws, handballs, and hand plates, and check the flexibility and reliability of each handle.
2. Spindle feed box maintenance: check the oil quality, keep it good, and the oil quantity meets the requirements. Remove the spindle cone burr. Clean the hydraulic transmission system, oil filter, and adjust the oil pressure.
3. Inspection of the rocker arm and lifting clamping mechanism of the drilling and milling machine: check and adjust the lifting mechanism and clamping mechanism to achieve sensitivity and reliability.
4. Inspection of the lubrication system of the drilling and milling machine: cleaning the linoleum, the oil cup is complete, the oil path is smooth, and the oil window is bright.
5. Inspection of the cooling system of the drilling and milling machine: clean the cooling pump, filter and coolant tank. Check the coolant line and make sure there is no water leakage.
6. Inspection of the electrical system of the drilling and milling machine: clean the dust inside and outside the motor and electrical box. Turn off the power, open the door cover of the appliance, and check whether the electrical connectors and electrical components are loose or aging. Check if the limit switch is working properly. Whether the power off the door plays a role. Check whether the hydraulic system is normal and whether there is oil leakage. Whether the control switch of each electrical appliance is normal