Fuel Oil Filter · Fuel Oil Treatment
The Donaldson Marine DMF-80-MGO is a fuel-oil filtration unit. It is normally installed in the transfer, treatment, booster or engine-supply fuel system. It is designed for removal of solid contamination before sensitive pumps and injection equipment. In operation, fuel passes through a replaceable, cleanable or automatic filtering element/screen. Compared with neighbouring models, the relevant differences are filtration grade, housing size, HFO/MDO/MGO suitability and cleaning/changeover arrangement; these must be confirmed from the installed documentation rather than inferred from the model designation alone. Service and survey attention should concentrate on differential pressure, elements/screens, seals, heaters, bypass/changeover and automatic cleaning. For exact ratings, dimensions, tolerances, test limits and model-specific settings, refer to the manufacturer documentation for the exact figure.
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What our service work and the manufacturer documentation say about keeping this model running.
Trend differential pressure, inspect filter elements/screens and verify automatic-cleaning or changeover functions where fitted. Check housing closures, seals, drains, heaters and bypass/changeover valves and confirm the fitted filtering element is correct for the fuel service. Inspect carefully for leakage onto hot surfaces.
Carry the correct filter elements or screen/service kits, housing seals and O-rings, changeover/backflush valve service parts and differential-pressure switches/transmitters as applicable. Maintain enough consumables for foreseeable contamination events.
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