Komatsu Excavator Controls

Those are the mode settings for the pump. Basically they change the torque curve put on the engine by changing the amount of flow the pump puts out per operating pressure. The L mode allows fine control of the functions for doing things like fine grading or setting things like man holes and pipe. The S mode is supposed put out a little more flow while burning a little more fuel. It was supposed to be for everyday wor

Discuss this in the forum topic What is H S L on OLSS PC200LC-3.