PRIN. OF INTERNAL COMBUSTION ENGINES - OD1619 LESSON 2/TASK 2
breather pipe, mixes with the oil, and when forced into the bearings, greatly
Water, one of the products of combustion, will seep by the
The water in the crankcase
then will emulsify with the oil to form a thick sludge.
Products of fuel
oil, when mixed with the contaminants, loses its lubricating qualities and becomes
acidic. Engine oil must be changed periodically to prevent contaminated oil from
allowing excessive wear and causing etching of bearings.
controlled in the following ways:
HOW OIL LUBRICATES.
completely and evaporates the water produced within it before any appreciable oil