ENGINE
5-66
6LPA Service Manual
Cylinder Block
© 2007 Yanmar Marine International
24. Make a paint mark (Figure 5-152, (1)) at the
front of each of the connecting rod cap bolt
heads.
25. Retighten the connecting rod cap bolts by
turning 90° (Figure 5-152, (2)).
Figure 5-152
Figure 5-152
26. After tightening all bolts, check that the paint
marks are 90° from the starting front point.
27. Check that the crankshaft rotates smoothly.
28. Check the connecting rod thrust clearance. See
step 3 starting in Cylinder Block Disassembly
on page 5-42.
Rear Crankshaft Oil Seal Installation
1. Completely remove the packing material from
the case surface and seal groove using a razor
blade and gasket scraper.
Note: Avoid contaminating the contact surface
of the seal case and cylinder block with
oil.
2. Clean all components and remove all foreign
matter.
3. Clean both the sealing surfaces using solvent.
4. Apply seal packing (TOYOTA P/N 08826-00080
or equivalent) to the case as shown
(Figure 5-153). Apply the seal packing in a
width of 2 to 3 mm (0.08 to 0.12 in.)
(Figure 5-153, (1)).
Figure 5-153
Figure 5-153
Note: Avoid using an excessive amount of seal
packing. The parts must be assembled
within 5 minutes after the seal packing is
applied, or the packing material must be
removed and reapplied. Always
disconnect the nozzle from the tube
immediately after use and cap the tube.
5. Install the case using 6 bolts and torque to 65
kgf·cm, 6.37 N·m (57.3 lb-in.) (Figure 5-154).
Figure 5-154
Figure 5-154
(1)
(2)
(2)
0005149
(1)
0005150
0005151