STRUCTURE AND FUNCTION HYDRAULIC PUMP CHARGE SAFETY VALVE 2 3 1 3 RKS00140 1. Charge pump 2. Charge safety valve 2A. Valve 2B. Spring 2C. Valve seat 2D. Poppet 2E. Spring 2F. Adjustment screw 3. Suction safety valve 2A 2B 2G 2C 2D 2E 2F RKS00040 FUNCTION There is the charge safety valve installed to the HST pump. The charge safety valve restricts the maximum pressure inside the charge circuit in order to protect the charge circuit. 10-25 SK818-5 SK820-5 turbo