Cylinder Head Assembly - Yanmar 6LPA-STP2 Service Manual

ENGINE
Method 2
Use this procedure when the camshaft oil seal
retainer is installed to the cylinder head.
1. Cut off the oil seal lip using a knife
(Figure 5-54, (1)).
Figure 5-54
(1)
Figure 5-54
2. Remove the oil seal using two screwdrivers as
a lever (Figure 5-54, (2)). NOTICE: AVOID
damaging the camshaft. Use tape on the
screwdrivers tip to prevent damage.
3. Apply grease to the new oil seal lip.
4. Using a suitable tool (Figure 5-55, (1)) tap in a
new oil seal until its surface is level with the end
surface of oil seal retainer.
Figure 5-55
(1)
Figure 5-55
5-32

Cylinder Head Assembly

Note: Clean all parts to be assembled. Apply
1. Using a suitable tool (Figure 5-56, (1)) press
Figure 5-56
(2)
0005081
2. Install the following parts as shown in
Figure 5-57
0005082
3. Using special tool P/N 119770-02000
© 2007 Yanmar Marine International
new engine oil to all sliding and rotating
surfaces before assembling parts.
Replace all gaskets and seals.
new valve stem seals into the valve guides.
(1)
Figure 5-56
Figure 5-57.
(1)
Figure 5-57
1 – Valve
2 – Spring Seat
3 – Valve Spring
4 – Spring Retainer
(Figure 5-58, (1)) compress the valve spring
and install the spring retainer.
6LPA Service Manual
Cylinder Head
0005083
(2)
(3)
(4)
0005084