MOPX 209 VLSFO
Alfa Laval Fuel Oil Treatment. The Alfa Laval Fuel Conditioning Module is a two-stage automated pressure booster system that conditions ship diesel fuel (HFO, MDO, MGO and alternative fuels such as methanol, LPG, ammonia and LNG). The system regulates purity, pressure, temperature, viscosity and flow according to ship engine manufacturer specifications. The FCM utilizes
Components & Design
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Technical Data
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Common failures & inspection points
Monitor and document differential pressure of automatic back-flushing filter; Check switchover to manual bypass filter; Control wear condition of disk elements; Replace filter if visual wear or insufficient cleaning; Inspection interval every 2,000 operating hours or at differential pressure alarm
Check EVT20 viscosity sensor for functionality; Compare EPC50V/EPC70 controller display setpoint/actual value; Test heater thermostat function (for oil FCMs); Viscochief 3 calibration and sensor cleanliness check; Viscosity range ±5% from setpoint (engine-dependent, typical 10-40 cSt @ 50°C); Document fuel changeover ramp tracking
Check pressure in high-pressure stage: 6-16 bar (engine-dependent); Inspect low-pressure pumps (reserve/service pump) for vibration, noise and leakage; Test pump switchover logic (redundancy check); Check flow sensor at outlet (flow transmitter signal stability); Monitor pump current consumption (VFD versions)
Check thermostat setpoint (typical 55-95°C for HFO, engine-dependent) on EPC display; Compare heater outlet temperature with infrared pyrometer or built-in sensor; Check heating element current consumption; Inspect heater block for lime deposits and wear; Test bypass valve for function; Inspection interval: annually or if temperature deviation >5°C
Compare FlowSync pump speed with engine load signal; Compare separator feed flow with setpoint (variable flow, not constant); Check feed return pressure valve for wear; Verify tank level sensor (safety limit value); Monitor VFD pump speed output signal; Inspection interval: every 500 operating hours or after fuel type change
EPC50V/EPC70 controller boot sequence test; alarm LEDs and display fault codes document; alarm acknowledge button test for function; safety circuits (emergency shutdown, cooling/heating enable, leak test, purge) check; cable connections and connectors inspect for corrosion; emergency switchover to manual operation training; inspection interval: every 6 months or per service recommendation
Type-general inspection and maintenance points for this equipment category — not model-specific.
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