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Fuel filters
There should be two fuel filters, placed parallel. One should be clean and on standby.
Fuel filters should be placed in the HFO supply to the booster.
The fuel flow is less; therefore the filter can be smaller.
The fuel temperature is lower and the fuel is more stable.
Heaters
Heaters can be either steam, or electric.
There must be two heaters placed parallel in the system. Only one heater should be switched on. The
other one should be clean and on standby.
Booster pump
There should be two booster pumps.
One active and the other one on standby
