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HOW DOES IT WORK?
Hydraulic Auto Reset
There are several types of safety devices in ploughs, like shearbolt protection, shearbolt with cushioning, semiautomatic system, mechanical auto reset and hydraulic auto reset. The latter are the ones we will talk about.
The advantage on this safety system is that works on overloads, and the plough body frame comes to its working position when the overload stops by means of a hydraulic cylinder connected to an accumulator
This system enables not to stop plowing, as the body frame will raise when finding an obstacle and come down to its position once the obstacle is overtaken. This means a considerable saving of time as it is not necessary to stop the tractor and change shearbolts, or stop plowing and backtrack to lower the body frame in semiautomatic systems.