In case of failure of concrete mixer truck, the internal concrete shall be discharged in time. There are two discharge methods:
一方案：
I. scheme:
1、准备好紧急驱动软管，将故障自上料搅拌车熄火，卸下液压马达上的高压油管接头。
1. Prepare the emergency drive hose, turn off the fault from the charging mixer, and remove the high-pressure oil pipe connector on the hydraulic motor.
2、将救援车熄火，将其液压马达的高压油管卸下，并与故障车上的对应接头用紧急驱动软管相连。
2. Turn off the rescue vehicle, remove the high-pressure oil pipe of its hydraulic motor and connect it with the corresponding connector on the faulty vehicle with emergency drive hose.
3、发动救援车，将其操纵手柄拨出料位置，故障自上料搅拌车车内的混凝土即被排出。
3. Start the rescue truck and turn its control handle to the discharge position. The concrete in the mixer truck will be discharged since the fault is loaded.
4、紧急驱动完毕后，将驱动软管卸下，并恢复两车原状。
4. After the emergency drive, remove the drive hose and restore the two vehicles to their original state.
