DV11
Operation and Maintenance
20
Technical Information
Printed in Mar. 2005 PS-MMA0608-E1A
2.3.1. Cylinder block
z 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.
2.3.2. Piston/ Connecting rod/ Crank assembly
z 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.
z 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.
2.3.3. Electric control unit : ECU
z This electric control unit is used to
control the engine feed fuel.
z ECU is connected with various
sensors, control the engine to keep
the optimum condition on the basis
of input values from this sensors.
CAUTION:
Do not connect or disconnect the ECU to/from the wiring harness without
first removing the negative (-) battery cable from the battery. Do not perform
remove the inner parts of ECU.
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