Engine Subsystem · Engine Components
The MAN ES Water in Fuel system (WIF, PiFIW, ME-LGIM-W) detects water in the fuel supplied to the engine, with DNV GL and LR type approvals. It is part of the engine fuel system and alerts the operator when water contamination is present. This protects injectors and fuel pumps from damage caused by water in the fuel.
What our service work and the manufacturer documentation say about keeping this model running.
Check sensor condition, calibration and alarm function and confirm the signal reaches the engine control. Surveyors verify the system operates and that records of fuel treatment and alarm tests are available.
Keep spare water-in-fuel sensors, connectors, cables and seals. Carry sensor cleaning and calibration items.
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