Doosan GV158TIC, Operation & Maintenance Manual

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Technical Information - 18 -
2.3.5. Ignition control module : ICM
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This digital ignition system has been
designed for application on nature gas
fueled engines.
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This system is offers a variety of
advanced control, emissions reduction,
primary and spark diagnostics, self
diagnostic serial communications and
engine protection features.
2.3.6. Cylinder block
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The cylinder block is a single piece of alloy cast iron. To increase its stiffness, it is extended to a
level below the crankshaft center line. The engine has replaceable wet cylinder liners and individual
cylinder heads.
2.3.7. Piston, con-rod and crankshaft
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The forged crankshaft has screwed-on the balance weights. Radial seals with replaceable wearing
rings on crankshaft and flywheel are provided to seal the crankcase penetrations.
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The connecting rods are die-forged, diagonally split and can be removed through the top of the
cylinders together with the pistons. Crankshaft and connecting rods run in steel-backed lead bronze
ready-to fit type bearings.
EE3OM011