WinGD X92-B - Page 89

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Pressure control valve
The pressure control valve (001) has different functions to control the flow and the pressure
in the fuel rail.
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Relief valve
The relief valve (002) is a safety device. If the fuel pressure increases to more than the set
value, the relief valve opens.
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Flow limiting valve
The flow limiting valves (003) (FLV, not for X82, X92, RT-flex, and related DF engines)
installed on the fuel rail supply fuel to the related injection valves with the adjusted quantity
of fuel.
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Injection control unit
The injection control units (003) (ICU, for X82, X92, RT-flex, and related DF engines)
installed on the fuel rail supply fuel to the related injection valves with the adjusted quantity
of fuel.
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Injection valve
The injection valves (006) supply the fuel into the combustion chamber as a spray.
X92-B
AA00-0000-00AAA-043E-A
Operation Manual Fuel system
Winterthur Gas & Diesel Ltd.
- 89 - Issue 002 2021-11