AURRTQ006 - Diagnose and repair marine jet drive propulsion systems
Assessor Resource
AURRTQ006 Diagnose and repair marine jet drive propulsion systems
Assessment tool
Version 1.0 Issue Date: May 2024
This unit describes the performance outcomes required to diagnose and repair faults in the jet drive propulsion systems of marine vessels. It involves preparing for the task, selecting the correct diagnostic procedure, carrying out the diagnosis and the repair, performing post-repair testing, and completing workplace processes and documentation.
It applies to those working in the marine service and repair industry.
No licensing, legislative, regulatory or certification requirements apply to this unit at the time of publication.
You may want to include more information here about the target group and the purpose of the assessments (eg formative, summative, recognition)
Evidence Required
List the assessment methods to be used and the context and resources required for assessment. Copy and paste the relevant sections from the evidence guide below and then re-write these in plain English.
Elements
Elements describe the essential outcomes.
Performance Criteria
Performance criteria describe the performance needed to demonstrate achievement of the element. Where bold and italicised text is used, further information is detailed in the range of conditions section.
1. Prepare to diagnose and repair jet drive propulsion system
1.1 Job requirements are determined from workplace instructions
1.2 Diagnostic information is sourced and interpreted
1.3 Diagnostic options are analysed and those most appropriate to the circumstances are selected
1.4 Hazards associated with the work are identified and risks are managed
1.5 Diagnostic tools and equipment are selected and checked for serviceability
2. Diagnose propulsion system
2.1 Diagnostic tests are carried out according to workplace procedures and safety requirements
2.2 Faults are identified from diagnostic test results and causes of faults are determined
2.3 Diagnosis findings are reported according to workplace procedures, including initial recommendations for necessary repairs or adjustments
3. Dismantle propulsion system
3.1 Tools, equipment and materials are selected and checked
3.2 Propulsion system is dismantled as required according to workplace procedures, and safety and environmental requirements
3.3 Propulsion system is cleaned and components arranged for inspection according to workplace procedures, and safety and environmental requirements
3.4 Propulsion system components are measured and compared with manufacturer specifications
3.5 Final repair recommendations are made and reported according to workplace procedures
4. Repair and reassemble propulsion system
4.1 Repair information is sourced and interpreted
4.2 Repair options are analysed and those most appropriate to the circumstances are selected
4.3 Repairs and component replacements and adjustments are carried out according to manufacturer specifications, workplace procedures, and safety and environmental requirements, and without causing damage to components or systems
4.4 Propulsion system is reassembled according to manufacturer specifications, workplace procedures and safety requirements
4.5 Post-repair testing is carried out according to workplace procedures to confirm fault rectification, and any further problems detected as having been introduced during the repair process are rectified
5. Complete work processes
5.1 Final inspection is made to ensure work is to workplace expectations and vessel is presented ready for use or stored according to workplace procedures
5.2 Work area is cleaned, waste and non-recyclable materials are disposed of, and recyclable material is collected
5.3 Tools and equipment are checked and stored according to workplace procedures
5.4 Workplace documentation is processed according to workplace procedures
Before competency can be determined, individuals must demonstrate they can perform the following according to the standards defined in this unit’s elements, performance criteria, range of conditions and foundation skills:
diagnose and repair a fault in the following two jet drive propulsion systems in different marine vessels:
centrifugal
axial flow.
Individuals must be able to demonstrate knowledge of:
work health and safety (WHS) and occupational health and safety (OHS) requirements relating to diagnosing and repairing jet drive propulsion systems, including procedures for lifting and supporting jet drive propulsion systems
environmental requirements, including procedures for trapping, storing and disposing of fluids released from jet drive propulsion systems
operating principles of jet drive propulsion systems and associated components, including:
producing thrust using water pressure
changing vessel direction
application, purpose and operation of jet drive propulsion systems and components, including:
types of jet pumps, including:
centrifugal
axial flow
methods of reversing thrust, including:
cable-operated buckets
hydraulically-operated buckets
electrically-operated buckets
gearboxes
diagnostic testing procedures for jet drive propulsion systems, including:
housing to impeller clearance and wear
bearing wear
seal wear
bilge pump operation
gearbox operation
bucket operation
dismantling procedures for jet drive propulsion systems, including procedures for:
measuring clearances and tolerances
inspecting components
repair procedures for jet drive propulsion systems, including procedures for:
replacing impellers and housing
replacing bearings and seals, including oil replacement
replacing couplings
servicing buckets
post-repair testing procedures for jet drive propulsion systems, including procedures for water testing.
Assessors must satisfy NVR/AQTF assessor requirements.
Competency is to be assessed in the workplace or a simulated environment that accurately reflects performance in a real workplace setting.
Assessment must include direct observation of tasks.
Where assessment of competency includes third-party evidence, individuals must provide evidence that links them to the jet drive propulsion systems that they have worked on, e.g. repair orders.
Assessors must verify performance evidence through questioning on skills and knowledge to ensure correct interpretation and application.
The following resources must be made available:
marine repair workplace or simulated workplace
workplace instructions
manufacturer jet drive propulsion system specifications
a centrifugal jet drive propulsion system in a marine vessel with system faults
an axial flow jet drive propulsion system in a marine vessel with system faults
diagnostic equipment for jet drive propulsion systems
tools, equipment and materials appropriate for dismantling, repairing, reassembling and adjusting marine jet drive propulsion systems.
Submission Requirements
List each assessment task's title, type (eg project, observation/demonstration, essay, assingnment, checklist) and due date here
Assessment task 1: [title] Due date:
(add new lines for each of the assessment tasks)
Assessment Tasks
Copy and paste from the following data to produce each assessment task. Write these in plain English and spell out how, when and where the task is to be carried out, under what conditions, and what resources are needed. Include guidelines about how well the candidate has to perform a task for it to be judged satisfactory.
Elements
Elements describe the essential outcomes.
Performance Criteria
Performance criteria describe the performance needed to demonstrate achievement of the element. Where bold and italicised text is used, further information is detailed in the range of conditions section.
1. Prepare to diagnose and repair jet drive propulsion system
1.1 Job requirements are determined from workplace instructions
1.2 Diagnostic information is sourced and interpreted
1.3 Diagnostic options are analysed and those most appropriate to the circumstances are selected
1.4 Hazards associated with the work are identified and risks are managed
1.5 Diagnostic tools and equipment are selected and checked for serviceability
2. Diagnose propulsion system
2.1 Diagnostic tests are carried out according to workplace procedures and safety requirements
2.2 Faults are identified from diagnostic test results and causes of faults are determined
2.3 Diagnosis findings are reported according to workplace procedures, including initial recommendations for necessary repairs or adjustments
3. Dismantle propulsion system
3.1 Tools, equipment and materials are selected and checked
3.2 Propulsion system is dismantled as required according to workplace procedures, and safety and environmental requirements
3.3 Propulsion system is cleaned and components arranged for inspection according to workplace procedures, and safety and environmental requirements
3.4 Propulsion system components are measured and compared with manufacturer specifications
3.5 Final repair recommendations are made and reported according to workplace procedures
4. Repair and reassemble propulsion system
4.1 Repair information is sourced and interpreted
4.2 Repair options are analysed and those most appropriate to the circumstances are selected
4.3 Repairs and component replacements and adjustments are carried out according to manufacturer specifications, workplace procedures, and safety and environmental requirements, and without causing damage to components or systems
4.4 Propulsion system is reassembled according to manufacturer specifications, workplace procedures and safety requirements
4.5 Post-repair testing is carried out according to workplace procedures to confirm fault rectification, and any further problems detected as having been introduced during the repair process are rectified
5. Complete work processes
5.1 Final inspection is made to ensure work is to workplace expectations and vessel is presented ready for use or stored according to workplace procedures
5.2 Work area is cleaned, waste and non-recyclable materials are disposed of, and recyclable material is collected
5.3 Tools and equipment are checked and stored according to workplace procedures
5.4 Workplace documentation is processed according to workplace procedures
This section specifies work environments and conditions that may affect performance. Essential operating conditions that may be present (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) are included. Bold italicised wording, if used in the performance criteria, is detailed below.
Safety requirements must include:
work health and safety (WHS) and occupational health and safety (OHS) requirements, including procedures for lifting and supporting jet drive propulsion systems.
Environmental requirements must include:
procedures for trapping, storing and disposing of fluids released from jet drive propulsion systems.
Before competency can be determined, individuals must demonstrate they can perform the following according to the standards defined in this unit’s elements, performance criteria, range of conditions and foundation skills:
diagnose and repair a fault in the following two jet drive propulsion systems in different marine vessels:
centrifugal
axial flow.
Individuals must be able to demonstrate knowledge of:
work health and safety (WHS) and occupational health and safety (OHS) requirements relating to diagnosing and repairing jet drive propulsion systems, including procedures for lifting and supporting jet drive propulsion systems
environmental requirements, including procedures for trapping, storing and disposing of fluids released from jet drive propulsion systems
operating principles of jet drive propulsion systems and associated components, including:
producing thrust using water pressure
changing vessel direction
application, purpose and operation of jet drive propulsion systems and components, including:
types of jet pumps, including:
centrifugal
axial flow
methods of reversing thrust, including:
cable-operated buckets
hydraulically-operated buckets
electrically-operated buckets
gearboxes
diagnostic testing procedures for jet drive propulsion systems, including:
housing to impeller clearance and wear
bearing wear
seal wear
bilge pump operation
gearbox operation
bucket operation
dismantling procedures for jet drive propulsion systems, including procedures for:
measuring clearances and tolerances
inspecting components
repair procedures for jet drive propulsion systems, including procedures for:
replacing impellers and housing
replacing bearings and seals, including oil replacement
replacing couplings
servicing buckets
post-repair testing procedures for jet drive propulsion systems, including procedures for water testing.
Assessors must satisfy NVR/AQTF assessor requirements.
Competency is to be assessed in the workplace or a simulated environment that accurately reflects performance in a real workplace setting.
Assessment must include direct observation of tasks.
Where assessment of competency includes third-party evidence, individuals must provide evidence that links them to the jet drive propulsion systems that they have worked on, e.g. repair orders.
Assessors must verify performance evidence through questioning on skills and knowledge to ensure correct interpretation and application.
The following resources must be made available:
marine repair workplace or simulated workplace
workplace instructions
manufacturer jet drive propulsion system specifications
a centrifugal jet drive propulsion system in a marine vessel with system faults
an axial flow jet drive propulsion system in a marine vessel with system faults
diagnostic equipment for jet drive propulsion systems
tools, equipment and materials appropriate for dismantling, repairing, reassembling and adjusting marine jet drive propulsion systems.
Copy and paste from the following performance criteria to create an observation checklist for each task. When you have finished writing your assessment tool every one of these must have been addressed, preferably several times in a variety of contexts. To ensure this occurs download the assessment matrix for the unit; enter each assessment task as a column header and place check marks against each performance criteria that task addresses.
Observation Checklist
Tasks to be observed according to workplace/college/TAFE policy and procedures, relevant legislation and Codes of Practice
Yes
No
Comments/feedback
Job requirements are determined from workplace instructions
Diagnostic information is sourced and interpreted
Diagnostic options are analysed and those most appropriate to the circumstances are selected
Hazards associated with the work are identified and risks are managed
Diagnostic tools and equipment are selected and checked for serviceability
Diagnostic tests are carried out according to workplace procedures and safety requirements
Faults are identified from diagnostic test results and causes of faults are determined
Diagnosis findings are reported according to workplace procedures, including initial recommendations for necessary repairs or adjustments
Tools, equipment and materials are selected and checked
Propulsion system is dismantled as required according to workplace procedures, and safety and environmental requirements
Propulsion system is cleaned and components arranged for inspection according to workplace procedures, and safety and environmental requirements
Propulsion system components are measured and compared with manufacturer specifications
Final repair recommendations are made and reported according to workplace procedures
Repair information is sourced and interpreted
Repair options are analysed and those most appropriate to the circumstances are selected
Repairs and component replacements and adjustments are carried out according to manufacturer specifications, workplace procedures, and safety and environmental requirements, and without causing damage to components or systems
Propulsion system is reassembled according to manufacturer specifications, workplace procedures and safety requirements
Post-repair testing is carried out according to workplace procedures to confirm fault rectification, and any further problems detected as having been introduced during the repair process are rectified
Final inspection is made to ensure work is to workplace expectations and vessel is presented ready for use or stored according to workplace procedures
Work area is cleaned, waste and non-recyclable materials are disposed of, and recyclable material is collected
Tools and equipment are checked and stored according to workplace procedures
Workplace documentation is processed according to workplace procedures
Job requirements are determined from workplace instructions
Diagnostic information is sourced and interpreted
Diagnostic options are analysed and those most appropriate to the circumstances are selected
Hazards associated with the work are identified and risks are managed
Diagnostic tools and equipment are selected and checked for serviceability
Diagnostic tests are carried out according to workplace procedures and safety requirements
Faults are identified from diagnostic test results and causes of faults are determined
Diagnosis findings are reported according to workplace procedures, including initial recommendations for necessary repairs or adjustments
Tools, equipment and materials are selected and checked
Propulsion system is dismantled as required according to workplace procedures, and safety and environmental requirements
Propulsion system is cleaned and components arranged for inspection according to workplace procedures, and safety and environmental requirements
Propulsion system components are measured and compared with manufacturer specifications
Final repair recommendations are made and reported according to workplace procedures
Repair information is sourced and interpreted
Repair options are analysed and those most appropriate to the circumstances are selected
Repairs and component replacements and adjustments are carried out according to manufacturer specifications, workplace procedures, and safety and environmental requirements, and without causing damage to components or systems
Propulsion system is reassembled according to manufacturer specifications, workplace procedures and safety requirements
Post-repair testing is carried out according to workplace procedures to confirm fault rectification, and any further problems detected as having been introduced during the repair process are rectified
Final inspection is made to ensure work is to workplace expectations and vessel is presented ready for use or stored according to workplace procedures
Work area is cleaned, waste and non-recyclable materials are disposed of, and recyclable material is collected
Tools and equipment are checked and stored according to workplace procedures
Workplace documentation is processed according to workplace procedures
Forms
Assessment Cover Sheet
AURRTQ006 - Diagnose and repair marine jet drive propulsion systems
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Assessment Record Sheet
AURRTQ006 - Diagnose and repair marine jet drive propulsion systems
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Assessment task 1: [title] Result: Competent Not yet competent
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Feedback to student:
Overall assessment result: Competent Not yet competent