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、準備好緊急驅動軟管，將故障自上料攪拌車熄火，卸下液壓馬達上的高壓油管接頭。
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、將救援車熄火，將其液壓馬達的高壓油管卸下，并與故障車上的對應接頭用緊急驅動軟管相連。
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、發動救援車，將其操縱手柄撥出料位置，故障自上料攪拌車車內的混凝土即被排出。
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、緊急驅動完畢后，將驅動軟管卸下，并恢復兩車原狀。
4. After the emergency drive, remove the drive hose and restore the two vehicles to their original state.
