Yanmar 6LY3 series Service Manual

ENGINE
Assembling the Engine and Components
12/05
6LY3 Service Manual
5-57
© 2007 Yanmar Marine International
Installing the Crankshaft
1. Apply engine oil to each crank journal
(Figure 5-83, (1)) of the cylinder block
(Figure 5-83, (2)) and each mating side of the
main bearing inserts. Bearings with an oil
groove should be positioned on the upper side
(block side). Install thrust bearings so that oil
grooves are positioned to the outside.
Figure 5-83
Figure 5-83
1 – Crank Journal
2 – Cylinder Block
Figure 5-84
Figure 5-84
2. Lubricate each crank pin and crank journal. Set
each journal in the main bearing of the block.
3. Lubricate both surfaces of each cap side main
bearing and install each main bearing insert to
the cap.
4. Oil the bolt holes of each bearing cap. Install
bearing caps (Figure 5-85, (2)). Tighten each
cap bolt to the specified torque value. NOTICE:
Check that the arrow mark (Figure 5-85, (1)) on
each bearing cap faces in the flywheel direction
and that the match mark on each cylinder is
correctly aligned.
Figure 5-8 5
Figure 5-85
1–Arrow Mark
2 – Bearing Caps
(1)
0005783
(2)
0005784
Bearing Cap Bolt Torque
M15, 14 Bolts
235 ± 10 N·m
(24 ± 1 kgf·m)
(173 lb-ft)
(1)
(2)
0005785

Yanmar 6LY3 series Specifications

General

Brand	Yanmar
Model	6LY3 series
Category	Engine
Language	English