CRANKSHAFT
The crankshaft is driven by the pistons and connecting rods, and translates its reciprocating
movement into a circular movement.
It also drives the oil pump, camshaft and fuel camshaft. Six
counterweights are integrated into one unit
to
minimize bearing wear and lubricating oil
temperature rise. Crankshaft journals, crankpins and oil seal sliding section are induction-hardened
to raise wear resistance quality. Crankshaft journals are supported by the main bearing cases
in
which bearing is used.
Crankshaft bearing 1 at the front end
is
a wind type bushing and the three bearings 2 behind are
split type bushings.
Side bearings
1,2
of split type are mounted
on
both sides of the main bearing case 1 at the
flywheel side.
Crankshaft bearings and side bearings are plated with special
alloy
to
raise wear resistance
quality.
Crankslyft
(8)
1.
Crankshaft
2. Piston
3.
Connecting rod
4.
Oil passage
5.
Crankshaft bearing 1
6.
Crankshaft bearing 2
7.
Side bearing
8.
Counterweight
27
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