- Severe damage to complete bearing area.
- Cavities are usually around at low pressure areas i.e. oil groove or oil holes.
- Caused by an implosion of gas or air bubbles released from a lubricating oil film under particular conditions
- The pressure set up locally during theses implosions are very high , possibly 220 bar & may cause a pitting / cavitation
- Prevention – May be reduced by viscous oil because of damping effect high viscous oil & viscosity must be in limit.
The electrohydraulic control mechanisms of the ME engine replace the following components of the conventional MC engine: Chain drive for camshaft Camshaft with fuel cams, exhaust cams and indicator cams Fuel pump actuating gear, including roller guides and reversing mechanism Conventional fuel pressure booster and VIT system Exhaust valve actuating gear and roller guides Engine driven starting air distributor Electronic governor with actuator Regulating shaft Engine side control console Mechanical cylinder lubricators. The Engine Control System of the ME engine comprises: Control units Hydraulic power supply unit Hydraulic cylinder units, including: Electronically controlled fuel injection, and Electronically controlled exhaust valve activation Electronically controlled starting air valves Electronically controlled auxiliary blowers Integrated electronic governor functions Tacho system Electronically controlled Alpha lubricators