OICEW Task 4.3.R

Start oil purifier

MMA Method

In order to satisfy NVIC 17-14 Task 4.3.R , MMA students must:

NVIC Method

See NVIC method.

STCW Competence Knowledge, Understanding, and Proficiency

Operate main and auxiliary machinery and associated control systems

OICEW-A4.3 Preparation, operation, fault detection and necessary measures to prevent damage for the following machinery items and control systems

Auxiliary prime movers and associated systems
Condition Behavior Standard

On a vessel of at least 1,000 HP, on a simulator, or in a laboratory,

the candidate plans for and starts the lube oil or fuel oil purifier, describing actions as they are being performed.


All The assessment is required for all OICEW endorsements regardless of any limitations for propulsion mode and/or vessel equipment.

The candidate:

  1. Verifies that brake has been released;

  2. Checks centrifuge sump oil level and adds oil as necessary;

  3. Checks discharge valve is open to correct sump or tank;

  4. Depresses start button to re-start centrifuge motor ;

  5. Verifies that centrifuge is up to proper operating speed;

  6. Lines up automatic “shoot” panel and adds sealing/priming water until overflow is detected at heavy phase discharge;

  7. Opens oil supply valve from main sump or tank;

  8. Lines up steam or power to centrifuge pre-heater, if used;

  9. Observes cessation of seal/priming water displacement from centrifuge & sets automatic “shoot” panel;

  10. Monitors increase of oil temperature input to proper temperature; and

  11. Takes proper action to prevent safety and pollution violations.