Yanmar 6LPA-STP2, Руководство по обслуживанию

Страница: 144 / 318

ENGINE
5-64 6LPA Service Manual
Cylinder Block
© 2007 Yanmar Marine International
9. Apply seal packing (TOYOTA P/N 08826-00080
or equivalent) to the cylinder block
(Figure 5-144).
Note: Parts must be assembled within 5
minutes after the seal packing is applied
or the packing material must be removed
and then reapplied. Disconnect the
nozzle from the tube immediately after
use and cap the tube.
• Apply the seal packing in a width of
4 to 5 mm (0.157 to 0.197 in.)
(Figure 5-144, (1)).
Figure 5-144
Figure 5-144
10. Install a new oil hole gasket (Figure 5-145, (1)).
Figure 5-145
Figure 5-145
11. Place the main bearing cap on the cylinder
block.
12. Apply engine oil to the threads and seat
surfaces of the main bearing cap bolts.
Note: Replace any main bearing cap bolts that
are broken, damaged or deformed.
13. Install the 14 main bearing cap bolts (12
pointed head), and tighten them uniformly in
several passes in the sequence shown in
Figure 5-146.
• Torque: 1050 kgf·cm, 102.90 N·m (75.9 lb-ft)
Note: If any of the main bearing cap bolts fail to
torque to the torque specification,
replace the main bearing cap bolts.
Figure 5-146
Figure 5-146
14. Make paint marks (Figure 5-147, (1)) on the
front (Figure 5-147, (2)) of the main bearing
cap bolt heads.
15. Retighten all bolts by 90° (Figure 5-147, (3)) in
the numerical order shown in Figure 5-147.
Figure 5-147
Figure 5-147
16. After all bolts have been retightened, check that
all paint marks are facing 90° from the starting
front point.
17. Check that the crankshaft rotates smoothly.
(1)
0005067
(1)
000506 8
(11)
(12)
( 8 )
(4)
(2)
(6)
(10)
(7)
( 3 )
(1) (5)
(9)
(1 3 )
(14)
0005069
(1)
(2)
( 3 )
( 3 )
0005070