Condition

Using an approved simulator, in the laboratory, or aboard ship and given access to an air compressor.

Performance requirement

Behavior Standard
The student will: During assessment, the student shall, at a minimum:

Check unit for readiness to start

Inspect mechanical condition of equipment

Observe sufficient lubricating oil

Blow down receiver and moisture traps

On water cooled units, verify coolant flow

Line-up compressor

Verify compressor discharge valve is open

Start compressor

press start button

verify control set to automatic

Monitor operation of air compressor

Verify operation of unloader

Verify operation of cut-in and cut-out switches

Secure the air compressor

Press the stop button

Leave compressor lined up to start

Location

Assessed in EN‑2111 Auxiliary Machinery II.

References

STCW Knowledge, Understanding and Proficiency

  1. OICEW-A4.1
  2. OICEW-A4.3

NVIC Tasks

  1. NVIC 17-14 Task 4.3.M Change over low pressure air compressor

Lab Manual

Auxiliary Machinery II Laboratory Manual

See the Assessment Guidelines for additional specifications of behavior and standards.