STRUCTURE AND FUNCTION CONTROL VALVE 4 4 4 4 3 2 5 10 1 9 Section A - A 8 7 6 Section B - B RKS00382 1. Main relief valve 2. Stop plug (lift arm bottom side) 3. Suction valve (bucket bottom side) 4. Stop plug for individual relief valve 5. Float valve 6. Series - parallel circuit switching valve 7. Spool (lift arm) 8. Spool (bucket) 9. Spool (attachment) 10. Spool (High-Flow) 10-36 SK818-5 SK820-5 turbo