Yanmar 6BY2 - Page 184

LUBRICATION
Repair
8-10 BY Service Manual
© 2009 Yanmar Marine International
3. Remove coolant pipe retaining bolt
(Figure 8-8, (1)).
Figure 8-8
Figure 8-8
4. Disconnect coolant pipe (Figure 8-8, (2)) from
thermostat housing.
5. Disconnect coolant pipe hose (Figure 8-9, (1))
from oil cooler (Figure 8-9, (3)).
Figure 8-9
Figure 8-9
6. Remove three screws (Figure 8-9, (2)) and
remove oil cooler (Figure 8-9, (3)).
7. Inspect ports for evidence of blockage or
corrosion (Figure 8-10). Clean or replace oil
cooler as necessary.
Figure 8-10
Figure 8-10
8. Thoroughly clean sealing surfaces.
9. Install a new seal (Figure 8-11, (1)) in the oil
filter housing.
Figure 8-11
Figure 8-11
10. Install oil cooler onto oil filter housing.
11. Install and connect coolant pipe. Secure to
cylinder head with screw.
12. Install new oil filter element and tighten cap to
25 N·m (225 in.-lb).
13. Fill the engine with coolant.
14. Run engine and check for oil or water leaks.
0003766
(
1
)
(
2
)
0003
7
90
(2)
(
2
)
(
1
)
(
3
)
0003792
0003791
(1)