Models H1 45/53 cc and 78 cc single pumps utilize electro-hydraulic servo piston assembly that controls rate and direction of hydraulic flow. PLUS+1(TM)-Compliant, closed-circuit variable displacement axial piston pumps include tandem Control Cut Off (CCO) circuit that disables both pump controls in absence of proper signal to override solenoid; Integral Speed Limitation (ISL) circuit that prevents engine overspeed and pressure filtration with filter bypass sensor and switch.
Focus on Fundamentals consists of 45-minute on-line classes that cover a host of technologies. You learn without leaving the comfort of your desk. All classes are taught by subject-matter experts and all are archived. So if you can't attend live, attend at your convenience.