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1.Pls keep checking the electrical grounding of the equipment to ensure safe use of electricity. A voltage regulator must be installed in order to ensure production accuracy. 2.After the new machine is in normal operation, the spindle must be tested within the range of 3000-6000 rpm for one hour or more under the premise of the cooling system. 3.The air-floating main shaft works in the range of 20,000-30,000 rpm, and the test runs at least one hour. It must be ventilated, and the ventilation can be normal before running. When not working, the spindle must be kept in the state of the knife to prevent dust from entering the air chamber of the spindle and causing damage. 4.The main shaft coolant, mixture of pure mineral-free water and appropriate amount of rust inhibitor must be used. Customer must replace 1-3 times per month according to the frequency of use of the equipment. When replacing, the scale in the water tank and the pipeline must be cleaned up to ensure the system is unblocked. 5.The lubricating oil pump is marked with a lubricant.,we recommend the customers use 68# in summer and 32# in winter. When the manual lubricating oil pump is working, customer can use the same oil label are the same, it is necessary to manually refuel more than 10 times per shift. 6.The cutting coolant must be adjusted within a ratio of 1:10. The ratio of water content must not exceed the [10" standard to prevent the rails, screw rods and bed from rusting due to excessive moisture; and it is recommended to clean the dirt in time after shutdown. Dry the remaining coolant and keep the unit ventilated and dry. For equipment that is used continuously, it must be shut down regularly for maintenance, and the maintenance period is 15-30 days/time, depending on the frequency of use of the equipment. 7.The lubrication time must be lengthened when using fluid. For the cutting fluid,we will advise to refuel for 32 seconds every 512 minutes. For the coolant, the lubrication time must be shortened,we will advise to refuel for 12 seconds every 512 minutes. Notice: Please follow this instruciton. If you have any questions, please contact with us.