inspection before using concrete mix plant 

1, check the air compressor automatic protection device is not reliable, the export pressure should be stable at 0.6~0.8MPa. Pull the safety valve ring to conclude that the function is not normal. View solenoid valve and pipe fittings are not leak.

2, check the oil mist per minute oil drops and oil cup oil. Oil droplets can be from the glass tube to see that number per minute drop of about 5 to 10, if not, please make adjustment, the oil level in the oil cup if it has reached the upper limit of calibration, please close the valve, cleaning after replacing oil, into the cup and fuel to the lower range calibration.

3, check oil pump in the oil tank is not sufficient, the cloud shaped device for the gear box, electric cylinder and air compressor oil level is not maintained within the specified range, if not is added to the appropriate location.

4, to the mixing station, all lubrication points to the oil cylinder and the gas discharging door (grease).

5, check the screw conveyor inlet valve is not opened, and according to the sign of oil gas.

6, pneumatic pump, check water pipeline without blocking condition.

7, check the door and the door of the host scale action is not flexible, is not accurate.

8, check the electrical equipment is safe and reliable.

Note: extra voltage power supply shall not be less than 340 volts, can not be higher than 400V!

9, check the body is not smooth.

Link bolt 10, stirring blade is not strong.

11, view the host drum is not clean, there is no blocking condition. Empty view the host is not a normal work.

12, check the operation of belt conveyer belt is not normal, there is no deviation.

13, check the over limit switch is not play a role.

14, check the weighing system is not normal, the weighing instrument can work normally.

15, check the dust removal system is not started.

16, after the start of the no-load running 3 minutes, abnormal or fault, immediately outages, maintenance and troubleshooting.