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Today we will discuss:

Sundstrand Sauer Danfoss Series 20 – Motor Pressure Compensator Control
Variable displacement motors have a motor pressure compensator control. The control is made to make sure the displacement of the motor at a min. under light load conditions help maintain output RPM’s at a maximum control. If a heavy load is brought about on the motor, the control shifts the swashplate to maximum displacement. This will decrease the motor speed but increase the torque to give a greater load volume. The shift in the position of the swashplate is made to automatically at a pre determined shift pressure.

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