Doosan DB33A - Page 30

26
¡
Cylinder head assembly
¡ Retainer and valve cotter (1)
Spring compressor
<Disassembly steps>
1. Spring retainer and valve cotter
2. Spring and spring seat
3. Valve
4. Valve stem oil seal
Important operations
Mark the cylinder No. each component when it
disassembles.
Valve spring compressor
¡ Valve spring
¡ Valve
¡ Valve seat