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Elements and Performance Criteria

  1. Evaluate diesel fuel systems
  2. Analyse cooling systems for main and auxiliary diesel engines
  3. Evaluate diesel engine lubrication requirements
  4. Analyse diesel engine starting and manoeuvring
  5. Analyse causes of vibration
  6. Analyse scavenge and uptake fires, air-line, crankcase and gearbox explosions
  7. Plan safe working practices associated with diesel engine maintenance, operation and repair
  8. Interpret combustion diagnostic equipment faults and relate to fuel injection and pressure charging systems

Required Skills

Required Skills

Access diagnostic information related to marine diesel engines and systems

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

Explain operation of marine diesel engines and systems and impart complex information and ideas verbally in writing and visually

Identify and apply relevant solutions for addressing problems associated with marine diesel engines and systems

Identify and interpret complex diagnostic information and perform mathematical calculations related to operating repairing and maintaining marine diesel engines and systems

Identify methods procedures and materials needed for operating maintaining and repairing marine diesel engines and systems

Read and interpret manuals technical specifications safety data sheets SDSmaterial safety data sheets MSDS and manufacturer guides related to operating repairing and maintaining marine diesel engines and systems

Required Knowledge

Basic principles of diesel engine operation

Causes of vibration

Combustion diagnostic equipment faults

Components of diesel engines

Cooling systems for main and auxiliary diesel engines

Crankcase and airline explosions scavenge and uptake fires

Diesel engine

components

lubrication requirements

lubrication systems

propulsion and power generation

starting and manoeuvring

Diesel fuel systems

Fuel injection and pressure charging systems

Manoeuvring systems of diesel engines

Pressure charging diesel engines including common service faults actions to rectify faults emergency operation and isolation procedures

Properties and characteristics of fires

Safe working practices associated with diesel engine maintenance operation and repair

Scavenge and uptake fires airline crankcase and gearbox explosions

Starting methods of diesel engines

Turbocharger operation

WHSOHS legislation policies and procedures

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

performing accurate and reliable calculations

developing effective planning documents

producing accurate and reliable information

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 diesel engines and systems can be demonstrated

diagrams specifications and other information required for performing basic calculations related to marine diesel engines and systems

technical reference library with current publications on marine diesel engines and systems

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 diesel engines 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.

Fuel systems may include:

Conventional, low-inertia and dual-fuel (oil fuel/gas) injectors

Fuel line pulsation damping devices

Leakage protection

Uni-fuel and dual-fuel systems (high/medium viscosity fuel types)

Appropriate action to be taken with common cooling system faults may include:

Contamination

Different cooling water treatments

Normal operating temperatures, pressures and flow paths may include:

Bore cooling techniques

Honeycomb techniques

Strong-back techniques

Sources of contamination may include:

Bacterial infection

Methods of medium and slow speed cylinder lubrication may include:

Optimisation

Running-in requirements

Speed and load-dependant lubrication

Methods of component fabrication and reclamation may include:

Ceramics

Composite

Forged

Laser-hardening

Plasma-spraying

Welded

Hazards may include:

Acids

Chemicals

Defective or bypassed machinery protective devices

Defective or inappropriately adjusted exhaust systems

Enclosed spaces

Flammable liquids under pressure

Hydrocarbons

Leaking oil and fuel

Lifting heavy components both unaided and with lifting gear

Safe working practices for isolating main and propulsion diesels may include:

Identifying hazards

Minimising hazards

Safe working practices for machinery in enclosed spaces may include:

Handling heavy components

Use of hydraulic tools

Design features of turbochargers and charge air coolers may include:

Bearing types

Materials

Relevant diagrams must include:

Light spring diagrams