Doosan DX60R Shop Manual page 299

1. Oil the lip of the valve stem seal (2, Figure 150). Using the
valve stem seal installation tool (1, Figure 150), install a
new valve stem seal on each of the valve guides (3, Figure
150).
2. Measure the distance (1, Figure 151) from the cylinder
head to the valve stem seal to ensure proper clearance (2,
Figure 151) between the guide and seal. See "Intake /
Exhaust Valve and Guide" on page -95
3. Place the cylinder head assembly on its exhaust port side.
4. Place all the valves (5, Figure 152) in their proper location
in the cylinder head.
5. Place the cylinder head on the workbench with the
combustion side down. Install the valve spring (3, Figure
152) and spring retainer (2, Figure 152).
6. Using the valve spring compressor tool, compress the
valve spring.
7. Insert the valve keepers (1, Figure 152) and slowly release
the tension in the valve spring. Repeat the steps on all the
remaining valves.
Engine
Figure 150
Figure 151
Figure 152
1
2
3
FG008894
SP001693
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