1. When the vehicle is unloading, if there is water evaporation and the slump is too low to meet the customer's requirements, add appropriate amount of water to the drum and use 10-14 r/min. The rotation speed is discharged after 30 rotations, so that the concrete can have a relatively full agitation. 2. In the process of transporting concrete, the tank must be stopped. Because the tank is stopped, it will cause the concrete to condense. After restarting, it will also reduce the speed and hydraulic pressure. The system has caused a certain degree of impact and will damage the motor and the hydraulic pump. 3, the amount of water in the car tank needs to be filled from time to time in order to avoid any need. Before the water tank is filled with water, it is necessary to open the air release valve and release the air in the tank. When enlightenment is turned on during rinsing, when the rinsing is finished or when it is stopped, the gas in the water must be let off. Especially when parking in winter, there is no water left in the water supply system and the water tank. 4. When the concrete mixer truck is driving on the highway, the extended chute should be placed on the bracket of the discharge chute and it should be hung with a hook. It cannot be allowed to hang on the main chute. The main discharge chute needs to be rotated to a fixed position, the handle to position it is pulled down, and the lock handle lock mechanism is locked so as not to prevent accidents due to its unsteady swing and affect other vehicles. Normal driving. 5, if the full load of concrete is in the forward rotation if it is needed to reverse, then you need to manipulate the handle so that it can be forward and stable, in the control handle to reverse it. When the forward rotation is no longer possible, the joystick can be reversed. 6. The continuous working time of the concrete mixer cannot exceed eight hours. 7. When the vehicle is in the idle driving process, the mixing drum cannot stop, so as to avoid the unusual damage caused by the collision of the tug wheel and the raceway during the jolting. 8. The capacity, quality, and slump of concrete conveyed by concrete mixers must meet the requirements and standards of the concrete industry. Â
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