Know the working of your diesel fuel injection system
A Caterpillar fuel injection pump is a very complicated piece of engineering. Each one is gauged to deliver just the right quantity of fuel via the fuel injector into the combustion chamber. This ensures the maximum fuel efficiency and optimum power output. Mostly the injection pump is driven indirectly from the crankshaft by chains, gears, or a toothed belt, usually the timing belt, that also drives the camshaft. It rotates at half the speed of the crankshaft in a typical four-stroke engine. The timing is specifically set according to the engine’s service model, so that the fuel injection pump introduces the correct volume of diesel into the cylinder chamber only a fraction of a second before the cylinder reaches the top dead center position of its compression stroke making sure that fuel only becomes available from the fuel injector at the critical point of the cycle. And at this point, the heat generated from the very high compression in the piston sti...