The engines use a cross-flow arrangement in which the air-fuel mixture enters the engine cylinders from one side of the engine and the exhaust gases are expelled from the other side of the engine. With this engine design, the filling of the cylinders with an air-fuel mixture and the removal of combustion products are significantly improved.
A separate head with a camshaft is installed on each section of the cylinder block. The camshafts are driven by a toothed belt. Valve clearances are adjusted automatically using hydraulic tappets, so manual adjustment is not required during operation.
To supply oil to the rubbing surfaces in the engine, an oil pump is used, located in the front cover of the crankshaft and driven by the crankshaft. Under pressure, oil is fed through channels to the bearings of the crankshaft and camshaft.
The water pump is located at the front of the engine and is driven by a toothed belt. Keep in mind that engine cooling system must be filled all year round with a mixture of antifreeze and water with a low lime content.
The preparation and ignition of the air-fuel mixture in the engine cylinders is carried out by the engine control system, which does not require adjustments during operation. The ignition timing and idle speed are controlled by the engine management system. During maintenance, the spark plugs and air filter element must be replaced.
Warning: The radiator fan may come on after the engine is stopped and the ignition is turned off, so be careful when working on a hot engine. To prevent the radiator fan from turning on, disconnect the electrical connector from the radiator fan motor.
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