The jerkpump was redesigned and the original mechanical governor was replaced with an electromagnetic actuator and its sensor.
完成了对发动机原有油泵的改装，加装了线性比例电磁铁执行器及相应传感器；
2
But in the case of the diesel engine the supply is effected by an injection or jerkpump which forces a shot of fuel into each cylinder in turn ac cording to the correct firing sequence.