Doosan D35S-5 Service Manual page 64

Valve and cylinder head Assembly
1. Install the water director to the cylinder head.
2. Install the intake and exhaust valve.
D439E Service Manual
3. Apply the engine oil on the valve stem seal lip and
install the valve stem seal using the special tool
(09222-45100).
NOTE : Tap the seal until the special tool (09222-
45100) contacts the cylinder head.
When installing the valve stem seal (1), use the
new one.
62 2. Engine Mechanical System (D439E)
CAUTION