1. After unloading at the construction site, the inlet hopper, discharge hopper and discharge chute should be flushed with the hose attached to the mixer to remove the sludge and concrete adhered to the vehicle body. On the way back to the mixing station, 150-200l water should be injected into the mixing drum to clean the concrete residue bonded by the cylinder wall and blades.
2. At the end of each day's work, the driver should inject fresh water into the mixing drum and rotate it at high speed (14-18 RPM) for 5-10 minutes, and then drain the water to ensure the cleanness of the drum. When cleaning each part of the mixing drum with high pressure water, pay attention to avoid the instrument and control rod. The distance between the pressure water nozzle and the paint surface of the vehicle body shall not be less than 40 cm.
3. When removing the dirt inside and outside the mixing drum and the remaining concrete slag, and when the machine maintenance personnel enter the cylinder for maintenance and welding repair, it is necessary to turn off the automobile engine to stop the mixing drum completely. During the period when the machine maintenance personnel enter the cylinder, they must ensure that the mixing drum is well ventilated, the air is fresh, there is no natural gas and harmful dust, and the oxygen supply is sufficient. When using electric tools in the cylinder, the operator must have good insulation protection.
4. When working, do not put your hand into the rotating mixing drum. It is strictly forbidden to put your hand into the connection between the main discharge chute and the extended discharge chute. How can the staff operate the automatic feeding mixer to avoid accidents.
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