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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

Required Skills

Required Skills

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

Assess own work outcomes and maintain knowledge of current codes standards regulations and industry practices

Explain principles of marine auxiliary machines

Identify and interpret complex numerical and graphical information related to operating maintaining and repairing marine auxiliary machines on commercial vessels

Identify and rectify faults and malfunctions in marine auxiliary machines on commercial vessels

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

Impart knowledge and ideas through verbal written and visual means

Read and interpret 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

Required Knowledge

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 sheetsmaterial 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

Types of auxiliary machinery and components

Turbo alternators

Work health and safety WHSoccupational health and safety OHS legislation and policies

Evidence Required

The evidence guide provides advice on assessment and must be read in conjunction with the performance criteria the required skills and knowledge the range statement and the Assessment Guidelines for the Training Package

Critical aspects for assessment and evidence required to demonstrate competency in this unit

The evidence required to demonstrate competence in this unit must be relevant to and satisfy all of the requirements of the Elements Performance Criteria Required Skills Required Knowledge and include

providing accurate and reliable information

providing appropriate level of detail in responses

Context of and specific resources for assessment

Performance is demonstrated consistently over time and in a suitable range of contexts

Resources for assessment include access to

industryapproved marine operations site where advanced knowledge of marine auxiliary machinery and systems can be demonstrated

technical reference library with current publications on auxiliary machinery

tools equipment and personal protective equipment currently used in industry

relevant regulatory and equipment documentation that impacts on work activities

range of relevant exercises case studies andor other simulated practical and knowledge assessments

appropriate range of relevant operational situations in the workplace

In both real and simulated environments access is required to

relevant and appropriate materials and equipment

applicable documentation including workplace procedures regulations codes of practice and operation manuals

Method of assessment

Practical assessment must occur in an

appropriately simulated workplace environment andor

appropriate range of situations in the workplace

A range of assessment methods should be used to assess practical skills and knowledge The following examples are appropriate to this unit

direct observation of the candidate demonstrating advanced knowledge of marine auxiliary machinery and systems

direct observation of the candidate applying relevant WHSOHS requirements and work practices

Guidance information for assessment

Holistic assessment with other units relevant to the industry sector workplace and job role is recommended

In all cases where practical assessment is used it should be combined with targeted questioning to assess Required Knowledge

Assessment processes and techniques must be appropriate to the language and literacy requirements of the work being performed and the capacity of the candidate


Range Statement

The range statement relates to the unit of competency as a whole. It allows for different work environments and situations that may affect performance. Bold italicised wording, if used in the performance criteria, is detailed below.

Auxiliary machinery may include:

Boiler

Compressors

Deck machinery

Diesel generator

Evaporators

Pumps

Refrigerating installation

Separators

Turbo alternators

Constraints may include:

Class requirements

Location

Reliability

Time

Factors influencing good lubrication may include:

Alignment

Condition of bearing surfaces

Flow rate

Load

Purity of lubricant

Running clearances

Speed

Temperature

Viscosity

Contaminants may include:

Air entrainment

Incompatible fluids

Moisture

Particulate

Protections may include:

Arial displacement

Condenser condition

Expansion

High air temperature

High oil temperature

Loss of vacuum

Low oil pressure

Overspeed:

mechanical

electrical

Pressure

Steam

Steam condition

Temperature

Vibration