RFPEW Task 1.1.C

Monitor LO/FO purification systems

MMA Method

In order to satisfy NVIC 07-14 Task 1.1.C , MMA students must:

NVIC Method

See NVIC method.

STCW Competence Knowledge, Understanding, and Proficiency

Carry out a watch routine appropriate to the duties of a rating forming part of an engine-room watch.

RFPEW-A1.2 Engine-room watchkeeping procedures
Condition Behavior Standard

On a vessel, on a simulator, or in a laboratory,

the candidate monitors lube- oil (LO) and fuel-oil (FO) purification systems.


All The assessment applies to all RFPEW endorsements.

The candidate:

  1. Checks plant’s operational status;
  2. Checks the dirty-oil inlet temperature, as applicable;
  3. Checks the dirty-oil inlet pressure;
  4. Checks the clean-oil discharge pressure;
  5. Checks the purifier-gear drive oil sump level, as applicable;
  6. Checks level in sealing-water head tanks, as applicable;
  7. Checks inlet and outlet sight glasses for flow;
  8. Checks heater steam supply pressure, as applicable;
  9. Feels machine for vibration;
  10. Checks speed indicator for proper bowl speed;
  11. For lube oil purification plants, determines the point of suction to include engine sump, settling/renovating tank, or other tank;
  12. For lube oil purification plants, determines the point of discharge to include engine sump, settling/renovating tank, or other tank;
  13. For fuel oil purification plants, determines the point of suction, including settling tank or other tank;
  14. For fuel oil purification plants, determines the point of discharge to include day/service tank or other tank;
  15. Checks priming- and wash-water pressure, as applicable;
  16. Checks operating-water pressure, as applicable;
  17. Checks control-air pressure, as applicable;
  18. Checks for any unusual conditions or noises;
  19. Notifies the watch engineer of unusual or unsafe conditions; and
  20. Takes proper action to prevent safety and pollution violations.