Description of the design of the engine lubrication system (Focus Turnier 1)

Those who lubricate well drive well. Although Focus engines are not considered to be oil guzzlers, we still recommend that you check the oil level at least every other fill-up. As long as the oil level is between the MIN and MAX marks on the dipstick, there is no reason to add oil. The difference between the two marks varies from 0.5 to 1 liter depending on the engine model. Never fill the oil above the MAX mark: this can adversely affect the radial crankshaft seals and the air filter.

Without sufficient lubrication, engines would seize up within minutes. That's why a very thin film of oil protects against destructive friction wherever moving parts in the engine come into contact with each other: for example, on pistons and piston pins, on cylinder running surfaces, connecting rod bearings and crankshaft main bearings, or in the entire valve train.

In order for the lubricant film not to "break", the oil circulates through a filigree labyrinth of tubes, channels and holes when the engine is running. The regulated circulation is provided by the oil pump, it sucks the engine oil directly from the crankcase and accelerates it inside the described labyrinth in the direction of the desired address. And in order for the oil to arrive there as "fresh" as possible, it first passes through an oil filter, which in the Focus is located almost immediately behind the oil pump right in the main flow of circulating oil. The oil filter separates soot particles, metal abrasion products and other foreign particles from the lubricant. It cleans as long as its microscopically thin paper plates retain permeability and are not contaminated.





[The full article is on the online resource: FORDBOOK.RU]