ENGINE
5-32
6LPA Service Manual
Cylinder Head
© 2007 Yanmar Marine International
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
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
Figure 5-55
Cylinder Head Assembly
Note: Clean all parts to be assembled. Apply
new engine oil to all sliding and rotating
surfaces before assembling parts.
Replace all gaskets and seals.
1. Using a suitable tool (Figure 5-56, (1)) press
new valve stem seals into the valve guides.
Figure 5-56
Figure 5-56
2. Install the following parts as shown in
Figure 5-57.
Figure 5-57
Figure 5-57
1 – Valve
2 – Spring Seat
3 – Valve Spring
4 – Spring Retainer
3. Using special tool P/N 119770-02000
(Figure 5-58, (1)) compress the valve spring
and install the spring retainer.
(1)
(2)
00050
8
1
(1)
00050
8
2
(1)
00050
83
(1)
(2)
(
3
)
(4)
00050
8
4