ENGINE
5-16
6LPA Service Manual
Cylinder Head
© 2007 Yanmar Marine International
Cylinder Head Removal
Note: Before removal drain all cooling water
from the freshwater and seawater
systems.
1. Open the cooling water drain cocks as shown in
Figure 5-4, Figure 5-5 and Figure 5-6.
2. Drain all the cooling water and after draining,
close all drain cocks.
Figure 5-4
Draining Freshwater
Figure 5-4
1 – Oil Filter
2 – Fuel Pump
3 – Freshwater Drain Cock
Figure 5-5
Draining Seawater
Figure 5-5
1 – Oil Cooler
2 – Flywheel Housing
3 – Seawater Drain Plug
Figure 5-6
Draining Fresh and Seawater
Figure 5-6
1 – Freshwater Cooler
2 – Seawater Drain Plug
3 – Freshwater Drain Plug
Number of Drain Cocks
Model
Freshwater
system
Seawater
system
6LPA Series
2
2
(1)
(2)
(
3
)
0004926
(1)
(
3
)
(2)
0004927
(1)
(
3
)
(2)
000492
8