Doosan D439E - Page 52

D439E Service Manual 2. Engine Mechanical System (D439E)
50
1. Valve cap
2. Valve cotter
3. Valve retainer
4. Outer side spring
5. Inner side spring
6. Valve stem seal
7. Push rod
8. Cylinder head
9. Water director
10. Intake valve
11. Exhaust valve
12. Cylinder head gasket
13. Tappet
14. Crankcase