RING-RETAINING 6V4442 - Caterpillar

Illustration 2 g02276014
(1) Secondary fuel filter
(2) Common rail in cylinder head
(3) Mechanical Electronic Unit Injector (MEUI)
(4) Return fuel pressure regulator
(5) Fuel flow from electric priming pump to ARD via the 1900 kPa regulator
(6) Diverter actuator
(7) Electric priming pump
(8) Primary fuel filter base
(9) Fuel tank
(10) 1900 kPa fuel pressure regulator
(11) Primary fuel filter and water separator
(12) Fuel transfer pumpThe low-pressure fuel system supplies fuel from the fuel tank to the injectors. The low-pressure fuel system has four basic functions:
Supply fuel for combustion
Supply fuel in order to cool the injectors.
Remove air from the fuel.
Warm