Aboard ship or in workshop, given a reciprocating pump and other equipment, manuals and specifications needed to complete the task.

Performance requirement

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

Disassemble reciprocating pump

Inspect all parts for wear and deterioration

Check the following:

  • packing
  • gaskets
  • piston and cylinders
  • valves and valve seats

Repair reciprocating pump

Replace parts as necessary to bring pump to manufacturers specifications

Reassemble reciprocating pump

Replace and adjust seals/gaskets as necessary

Adjust valve tappets for proper operation

Test reciprocating pump

Operate under load and inspect for abnormalities


Assessed in EN‑2111 Auxiliary Machinery II.


  1. Table A-III/1 OICEW-C2.3
  2. NVIC Task

Lab Manual

Auxiliary Machinery II Laboratory Manual

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