Cylinder Head And Valves - Toro Workman 3000 Series Service Manual

Cylinder Head and Valves

2
1. Cylinder head bolt
2. Cylinder head assembly
3. Cylinder head gasket
4. Valve spring retainer lock
5. Valve spring retainer
6. Valve spring
7. Intake valve
Disassemble and assemble parts as shown in illustra­
tion above. Also use the following instructions for specif­
ic points of disassembly, inspection and reassembly.
Liquid Cooled Gas Engine
Cold engine
60 – 70 Nm
(43 – 51 ft–lb)
1
4
5
6
8
9
16
19
13
Figure 168
8. Valve stem seal
9. Valve spring seat
10. Valve spring retainer lock
11. Valve spring retainer
12. Valve spring
13. Exhaust valve
14. Valve stem seal
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10
11
12
14
15
17
20
18
7
3
15. Valve spring seat
16. Intake valve guide
17. Exhaust valve guide
18. Intake valve seat
19. Exhaust valve seat
20. Cylinder head
Workman 3000/4000 Series