ENGINE
Assembling the Engine and Components
5-60 6LY3 Service Manual
© 2007 Yanmar Marine International
3. Fit the piston rings and oil ring to each piston
while checking that cutouts of rings are offset
120° from each other.
4. Oil sleeve, outer surface of the piston and rod
bearings.
5. Rotate the crankshaft pin of the corresponding
piston to top position.
6. Check the direction of the piston.
7. Insert the piston into the cylinder using the
piston insertion tool.
8. Rotate the crankshaft while keeping the piston
rod seated on the crank pin until the piston is at
bottom dead center (BDC).
9. Install the rod cap. Apply oil to the bolt threads
while checking match marks and tighten the rod
cap bolts.
10. Repeat this process for each piston.
Installing the Oil Pan Spacer
Apply sealant to the oil pan spacer mating surface
and then place the spacer (Figure 5-92, (1)) to the
cylinder block (Figure 5-92, (2)). Secure the spacer
with two M8 x 35 mm bolts and two M8 x 30 mm
bolts. Torque bolts to the specified value.
Figure 5-92
Figure 5-92
1 – Spacer
2 – Cylinder Block
Installing the Oil Intake and Delivery
Tubes
1. Fit the flange end of the oil delivery pipe
(Figure 5-93, (2)) and install the other end into
the oil pan spacer.
Figure 5-93
Figure 5-93
1 – Oil Intake Pipe
2 – Oil Delivery Pipe
2. Fit the oil intake pipe (Figure 5-93, (1)) into
position.
3. Secure the flange ends with two M8 x 25 mm
and two M8 x 16 mm bolts.
4. Install the mounting bracket to the oil intake
pipe and secure with two M8 x 25 mm bolts.
5. Torque all bolts to the specified values.
Rod Bolt Torque
132.1-141.9 N·m
(13.5-14.5 kgf·m)
(97.4-104.6 lb-ft)
0005792
(1)
(2)
(1)
(2)
0005793
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