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Elements and Performance Criteria

  1. Evaluate ship systems
  2. Assess materials failure
  3. Analyse lubrication
  4. Analyse fuel and lubricating oil contaminants
  5. Analyse shafting systems, bearings, couplings, clutches and shaft seals that form transmission system
  6. Analyse steering gears and controllable pitch propeller systems
  7. Analyse marine transmission systems
  8. Analyse marine air compressors
  9. Evaluate shipboard refrigeration and air conditioning systems
  10. Evaluate operation of inert gas systems on crude oil tankers
  11. Evaluate plant efficiency and relate problems in a turbo alternator

Range Statement

Range is restricted to essential operating conditions and any other variables essential to the work environment.

Auxiliary machinery includes one or more of the following:

boiler

compressors

deck machinery

diesel generator

evaporators

pumps

refrigerating installation

separators

turbo alternators

Constraints include one or more of the following:

class requirements

location

reliability

time

Factors influencing good lubrication include one or more of the following:

alignment

condition of bearing surfaces

flow rate

load

purity of lubricant

running clearances

speed

temperature

viscosity

Contaminants include one or more of the following:

air entrainment

incompatible fluids

moisture

particulate

Protections include one or more of the following:

axial displacement

condenser condition

expansion

high air temperature

high oil temperature

loss of vacuum

low oil pressure

overspeed:

electrical

mechanical

pressure

steam

steam condition

temperature

vibration


Performance Evidence

Evidence required to demonstrate competence in this unit must be relevant to and satisfy all of the requirements of the elements, performance criteria and range of conditions on at least one occasion and include:

accessing information and sketch diagrams to interpret and explain testing requirements related to the operation of marine auxiliary machines

applying relevant work health and safety/occupational health and safety (WHS/OHS) requirements and work practices

assessing own work outcomes and maintaining knowledge of current codes, standards, regulations and industry practices

explaining principles of marine auxiliary machines

identifying and interpreting complex numerical and graphical information related to operating, maintaining and repairing marine auxiliary machines on commercial vessels

identifying and rectifying faults and malfunctions in marine auxiliary machines on commercial vessels

identifying methods, procedures and materials needed for operating, maintaining and repairing marine auxiliary machines on commercial vessels

imparting knowledge and ideas through verbal, written and visual means

reading and interpreting complex written information related to the operation, performance and maintenance of marine auxiliary machines, including machinery specifications, machinery design drawings, machine drawings, operational manuals, specifications, and electrical and control circuit diagrams.


Knowledge Evidence

Evidence required to demonstrate competence in this unit must be relevant to and satisfy all of the requirements of the elements, performance criteria and range of conditions and include knowledge of:

fuel and lubricating oil contaminants

fuels and basic principles of fuel systems

inert gas systems

lubrication

marine air compressors

marine transmission systems

materials failure

nature and causes of typical start up and shut down malfunctions of main and auxiliary machinery and associated systems, and available methods for their detection and rectification

operational characteristics and performance specifications for the different types of auxiliary machinery and associated systems usually found on a commercial vessel, including pumps, air compressors, steering gears, heat exchangers and evaporators

plant efficiency

principles and procedures of machinery lubrication

procedures for carrying out start up and shut down of main and auxiliary machinery and associated systems to ensure compliance with company and survey requirements and regulations

purpose and content of safety data sheets/material safety data sheets

safety, environmental and hazard control precautions and procedures relevant to start up and shut down of marine auxiliary machinery and associated systems

shafting systems, bearings, couplings, clutches and shaft seals that form the transmission system

ship systems

shipboard refrigeration and air conditioning systems

steering gears and controllable pitch propeller systems

turbo alternators

types of auxiliary machinery and components

WHS/OHS legislation and policies.