
Fuel System 130 Diesel Control System
Rail Pressure Regulator Valve (rail side)
Function And Operation Principle
The Fuel Pressure Regulator Valve and the Rail Pressure Regulator Valve are installed on high pressure pump and
common rail (bank 2) respectively. These valves control fuel inlet (feed) from fuel tank via fuel filter and outlet
(return) to fuel tank of high pressure fuel circuit. This system is called "Dual Fuel Pressure Control System" and can
precisely and quickly control the fuel pressure in accordance with various engine conditions by controlling the fuel
inlet and outlet simultaneously
.
Содержание S220P
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