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、筹办好告急驱动软管，将毛病自上料打金鱼
熄火，卸下液压马达上的高压油管讨论。
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、将救济车熄火，将其液压马达的高压油管卸下，并与毛病车上的对应讨论用告急驱动软管相连。
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、策动救济车，将其支配手柄拨至出料地位，毛病自上料打金鱼
车内的混凝土即被排挤。
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、告急驱动终了后，将驱动软管卸下，并规复两车原状。
4. After the emergency drive, remove the drive hose and restore the two vehicles to their original state.