1.Please read the manual. According to the relevant provisions of the operation, use and maintenance. 2.The operating room of the power distribution cabinet and equipment should be reliable grounding measures, the user according to the relevant design specifications for the installation of lightning protection device. 3.Please follow the instructions in the specification,complete scheduled maintenance for equipment bearing, reducer and other parts,particular:In the work of air compressor lubricating oil level in the oil standard line,when the oil level is lower than the oil mark,must add new compressor oil,not allowed to work without oil,clean the air compressor filter once a week,for the first time intervals of 100 hours,every 1000 hours of use oil,Every working day two of the thick oil pump,supply oil to the sealing device. 4.Check items before use (1) Check the electrical device is safe and reliable, the travel switch is flexible and reliable. (2) Check the air compressor protection device is normal, the pressure is stable at 0.5~0.7Mpa. (3) Check the metering hopper is in a free state, there is no interference phenomenon. 5.Maintenance project after work (1) Clean the junk and scrap inner concrete mixer,washing bonding material in the mixing tank,check mixing blades and lining. (2) Adjusting fastening and fastening stirring arm and shaft coupling bolt,cleaning admixture storage silo precipitation. (3) Winter construction should be put in spite of the water in the road,release compressed air and water in the air storage tank of air compressor. (4) Add oil for the lubrication part of the machine. (5) check whether there is oil in the oil mist for the diad body,check atomization is normal,gas system whether or not leakage phenomenon. (6) Check the electrical components in the electrical system are damaged or not, if damaged,repair or replace. (7) Check the wear of wire rope,and apply proper amount of grease on the surface (Huang You). (8) Computer power supply and the total power supply is disconnected after shutdown. 6.Regular maintenance items (1) Check the wear of the blade and the lining board, and replace it as appropriate. (2) Check the transmission gear, and apply grease. (3) Improve the operation and management system,do a good job of running records and exchange records.