STRUCTURE AND FUNCTION HYDRAULIC PUMP CHARGE PUMP 1 2 3 6 7 4 5 RKS00150 1. Slide plate 2. Coupling 3. Shaft 4. Outer ring 5. Case 6. Inner roter 7. Outer roter FUNCTION HST charge pump is built-in the HST pump and driven with HST pump at the same time. Discharged oil is delivered to AS valve and charge safety valve. Charge pump sucks oil from hydraulic tank. SPECIFICATIONS Type: trochoid pump Theoletical delivery: 25 cmі/rev 10-27 SK818-5 SK820-5 turbo