SAQA All qualifications and part qualifications registered on the National Qualifications Framework are public property. Thus the only payment that can be made for them is for service and reproduction. It is illegal to sell this material for profit. If the material is reproduced or quoted, the South African Qualifications Authority (SAQA) should be acknowledged as the source.
SOUTH AFRICAN QUALIFICATIONS AUTHORITY 
REGISTERED UNIT STANDARD THAT HAS PASSED THE END DATE: 

Diagnose, service and repair forced induction systems 
SAQA US ID UNIT STANDARD TITLE
244121  Diagnose, service and repair forced induction systems 
ORIGINATOR
SGB Vehicle Maintenance 
PRIMARY OR DELEGATED QUALITY ASSURANCE FUNCTIONARY
-  
FIELD SUBFIELD
Field 06 - Manufacturing, Engineering and Technology Manufacturing and Assembly 
ABET BAND UNIT STANDARD TYPE PRE-2009 NQF LEVEL NQF LEVEL CREDITS
Undefined  Regular  Level 4  NQF Level 04  4 
REGISTRATION STATUS REGISTRATION START DATE REGISTRATION END DATE SAQA DECISION NUMBER
Passed the End Date -
Status was "Registered" 		 2008-02-06  2009-02-18  SAQA 0875/08 
LAST DATE FOR ENROLMENT LAST DATE FOR ACHIEVEMENT
2010-02-18   2013-02-18  

In all of the tables in this document, both the pre-2009 NQF Level and the NQF Level is shown. In the text (purpose statements, qualification rules, etc), any references to NQF Levels are to the pre-2009 levels unless specifically stated otherwise.  

This unit standard is replaced by: 
US ID Unit Standard Title Pre-2009 NQF Level NQF Level Credits Replacement Status
260678  Diagnose and repair forced induction systems  Level 4  NQF Level 04  4   

PURPOSE OF THE UNIT STANDARD 
People in the field of manufacturing and engineering require the skills, values and knowledge reflected in this unit standard. The learning outcomes in this unit standard also contribute to the exit level outcomes required for various manufacturing and engineering qualifications. The learner is capable of identifying the various types of forced induction systems, components and parts to prepare and position the vehicle and to diagnose and repair forced induction system and component faults and to compile and submit a report. 

LEARNING ASSUMED TO BE IN PLACE AND RECOGNITION OF PRIOR LEARNING 
It is assumed that learners are already competent in Communication and Mathematical Literacy at NQF Level 3. 

UNIT STANDARD RANGE 
The ranges as indicated under the specific outcomes determine the scope and level of this unit standard.

All work is performed with little or no supervision in accordance with operational procedures, repair manual specifications and procedures in accordance with SHE legislation. 

Specific Outcomes and Assessment Criteria: 

SPECIFIC OUTCOME 1 
Read and interpret the job instructions. 
OUTCOME RANGE 
  • Read and interpret includes the specific technical data, tools and test equipment required and the type of induction system identified.
  • Tools and test equipment includes scan tool, low pressure air-hose, dash gauge, stethoscope.
  • Technical data includes specifications and manuals, product manufacturers specifications, customer requirements.
  • Type of system includes turbochargers/superchargers (blower driven).
  • Superchargers include three basic types: Centrifugal, Rotor (Roote's) and Vane type. 
    		•

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    Technical data is sourced in accordance with operational procedures. 

    ASSESSMENT CRITERION 2 
    Appropriate tools and equipment are obtained in accordance with repair manual and operational procedures. 

    ASSESSMENT CRITERION 3 
    The consequences of not using the correct technical data, tools and equipment are explained in terms of the impact on the job. 

    ASSESSMENT CRITERION 4 
    The type of system is identified in terms of the vehicle make and model. 

    ASSESSMENT CRITERION 5 
    The operation of forced induction systems is explained in terms of the key differences between particular systems. 

    ASSESSMENT CRITERION 6 
    The application of forced induction systems is explained in terms of the construction and operation of the system. 

    SPECIFIC OUTCOME 2 
    Inspect the forced induction system (turbo chargers/superchargers) for condition. 
    OUTCOME RANGE 
  • Inspect include checking for error codes with the scan tool.
  • Error codes include knock sensor, throttle position sensor, manifold pressure sensor and manifold temperature sensor.
  • System condition includes connection of vacuum lines to the waste gate and oil lines to the turbocharger, waste gate diaphragm leakage and operation, boost pressure, lack of power, colour of engine smoke and abnormal noises. 
    		•

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    The vehicle is prepared, positioned and inspected in accordance with work instructions. 

    ASSESSMENT CRITERION 2 
    Inspection equipment is connected and used in accordance with manufacturer specifications. 

    ASSESSMENT CRITERION 3 
    The forced induction system is physically inspected for condition and faults in accordance with repair manual procedures. 

    ASSESSMENT CRITERION 4 
    Faults identified are recorded in accordance with repair manual and quality procedures. 

    ASSESSMENT CRITERION 5 
    Reasons for inspecting forced induction systems are explained in terms of identification of faults. 

    ASSESSMENT CRITERION 6 
    Reasons for selecting correct tools and equipment are explained in terms of the type of work and productivity. 

    SPECIFIC OUTCOME 3 
    Diagnose and repair the forced induction system (turbochargers/superchargers). 
    OUTCOME RANGE 
  • Diagnose include recognising system faults such as inadequate boost pressure, leaking shaft seals, damaged turbine or compressor wheels, excess boost, contaminated oil, stuck by-pass actuator, internal rotor or housing wear and bearing noise.
  • Repair includes the removal and replacement of a new Turbo or Supercharger components, disassembly, assembly, cleaning, measuring, visual inspection, lubricating, testing and adjusting. 
    		•

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    System is tested and diagnosed in accordance with repair manual and operational procedures. 

    ASSESSMENT CRITERION 2 
    Test data is recorded in accordance with operational procedures. 

    ASSESSMENT CRITERION 3 
    Common faults are explained in terms of identification, causes and remedies. 

    ASSESSMENT CRITERION 4 
    The effect of faults on the forced induction system are explained in terms of engine performance. 

    ASSESSMENT CRITERION 5 
    Reasons for conducting tests are explained in terms of safety and performance requirements. 

    ASSESSMENT CRITERION 6 
    System faults diagnosed are repaired in accordance with repair manual and operational procedures. 

    ASSESSMENT CRITERION 7 
    Work is completed in accordance with flat rate time schedules. 

    SPECIFIC OUTCOME 4 
    Confirm the operational condition of the induction system (turbochargers/superchargers). 
    OUTCOME RANGE 
    Confirm includes against technical data, under load conditions and a physical inspection. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    The system is tested in accordance with repair manual procedures. 

    ASSESSMENT CRITERION 2 
    Relevant tools and equipment are used in accordance with operational and safety procedures. 

    ASSESSMENT CRITERION 3 
    The testing and test equipment are applied in accordance with operational procedures. 

    ASSESSMENT CRITERION 4 
    Work is completed in accordance with flat rate time schedules. 

    ASSESSMENT CRITERION 5 
    Reasons for testing the system after repairs are explained in terms of quality control and safety. 

    SPECIFIC OUTCOME 5 
    Apply safety procedures during the diagnosing and repair task. 
    OUTCOME RANGE 
  • Wearing of personal protective equipment (PPE).
  • Use and disposal of cleaning agents and fluids
  • Following SHE procedures. 
    		•

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    Safety procedures are identified and adhered to during the diagnosing and repairing task. 

    ASSESSMENT CRITERION 2 
    The system is diagnosed and repaired without incident, accident or injury. 

    ASSESSMENT CRITERION 3 
    No damage is caused to the induction system, equipment and tools. 

    ASSESSMENT CRITERION 4 
    All repair manual safety warnings and required actions before, during and after the task were adhered to. 

    SPECIFIC OUTCOME 6 
    Restore work area and complete and process documentation. 
    OUTCOME RANGE 
  • Restoring work area includes disposal of hazardous materials.
  • Tools and equipment packed away.
  • Documentation includes completing job cards, check lists and reports.
  • Reports include reports and summaries of work completed.
  • Process includes submissions according to company procedures. 
    		•

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    The work area is restored in accordance with workplace and SHE requirements. 

    ASSESSMENT CRITERION 2 
    Tools and equipment are cleaned and stored in accordance with workplace and SHE requirements. 

    ASSESSMENT CRITERION 3 
    Consequences of not leaving the workplace in the appropriate state are explained in terms of safety hazards and production. 

    ASSESSMENT CRITERION 4 
    Documentation is completed and processed in accordance with company procedures. 

    ASSESSMENT CRITERION 5 
    The reasons for the various documentation are explained in terms of their main functions. 


    UNIT STANDARD ACCREDITATION AND MODERATION OPTIONS 
  • Anyone assessing a learner or moderating the assessment of a learner against this unit standard must be registered as an assessor with the relevant Education, Training, Quality, Assurance (ETQA) Body, or with an ETQA that has a Memorandum of Understanding with the relevant ETQA.
  • Any institution offering learning that will enable the achievement of this unit standard must be accredited as a provider with the relevant Education, Training, Quality, Assurance (ETQA) Body, or with an ETQA that has a Memorandum of Understanding with the relevant ETQA.
  • Assessment and moderation of assessment will be overseen by the relevant Education, Training, Quality, Assurance (ETQA) Body, or by an ETQA that has a Memorandum of Understanding with the relevant ETQA, according to the ETQA's policies and guidelines for assessment and moderation.
  • Moderation must include both internal and external moderation of assessments, unless ETQA policies specify otherwise. Moderation should also encompass achievement of the competence described in the unit standard. 
    		•

    UNIT STANDARD ESSENTIAL EMBEDDED KNOWLEDGE 
    Names and functions of:
  • Forced Induction system types, components and parts.

    Attributes, descriptions, characteristics and properties:
  • Turbo/Superchargers.

    Sensory cues:
  • What I see, hear, smell and feel during the process.

    Purpose of:
  • Forced induction systems.

    Regulations, legislation, agreements, policies, standards:
  • Applicable company policies and procedures.
  • Repair manual procedures.
  • SHE procedures.
  • Quality procedures.

    Theory: rules, principles, laws:
  • Atmospheric pressure.
  • Ambient pressure as a moving force.
  • Combustion, heat energy and pressure.

    Relationships, systems:
  • Interaction of forced induction systems, components and parts in relation to engine output. 
    		•

    UNIT STANDARD DEVELOPMENTAL OUTCOME 
    N/A 

    UNIT STANDARD LINKAGES 
    N/A 


    Critical Cross-field Outcomes (CCFO): 

    UNIT STANDARD CCFO IDENTIFYING 
    Identify and solve problems:
  • Relating to forced induction systems. 
    		•

    UNIT STANDARD CCFO WORKING 
    Work effectively with others:
  • When interacting with team members and colleagues during the planning, preparation, and completion and reporting phases of diagnosing and repairing forced induction systems. 
    		•

    UNIT STANDARD CCFO ORGANISING 
    Organise and manage myself and my activities:
  • When preparing the forced induction system for inspection and repairs.
  • When working in accordance with service and flat rate schedules.
  • When managing resources and my time. 
    		•

    UNIT STANDARD CCFO COMMUNICATING 
    Communicate effectively:
  • When ordering replacement parts.
  • When completing and processing written reports.
  • When submitting the reports to the relevant department. 
    		•

    UNIT STANDARD CCFO SCIENCE 
    Use science and technology effectively and critically:
  • When using information technology to source technical data and to generate and submit reports. 
    		•

    UNIT STANDARD CCFO DEMONSTRATING 
    Demonstrate an understanding of the world as a set of related systems:
  • When I can explain and justify my actions and procedures followed.
  • When I can explain the interaction of forced induction system components and parts in relation to the output of the vehicle engine. 
    		•

    UNIT STANDARD ASSESSOR CRITERIA 
    N/A 

    UNIT STANDARD NOTES 
    This unit standard has been replaced by unit standard 260678, which is "Diagnose and repair forced induction systems", Level 4, 4 credits. 

    QUALIFICATIONS UTILISING THIS UNIT STANDARD: 
      ID QUALIFICATION TITLE PRE-2009 NQF LEVEL NQF LEVEL STATUS END DATE PRIMARY OR DELEGATED QA FUNCTIONARY
    Elective  58539   Further Education and Training Certificate: Automotive Repair and Maintenance  Level 4  NQF Level 04  Passed the End Date -
    Status was "Registered"     		 2009-02-18  Was MERSETA until Last Date for Achievement 
    Elective  66049   Further Education Training Certificate: Diesel Electric and Electric Fitting  Level 4  NQF Level 04  Passed the End Date -
    Status was "Reregistered"     		 2023-06-30  As per Learning Programmes recorded against this Qual 


    PROVIDERS CURRENTLY ACCREDITED TO OFFER THIS UNIT STANDARD: 
    This information shows the current accreditations (i.e. those not past their accreditation end dates), and is the most complete record available to SAQA as of today. Some Primary or Delegated Quality Assurance Functionaries have a lag in their recording systems for provider accreditation, in turn leading to a lag in notifying SAQA of all the providers that they have accredited to offer qualifications and unit standards, as well as any extensions to accreditation end dates. The relevant Primary or Delegated Quality Assurance Functionary should be notified if a record appears to be missing from here.
     
    NONE 


    All qualifications and part qualifications registered on the National Qualifications Framework are public property. Thus the only payment that can be made for them is for service and reproduction. It is illegal to sell this material for profit. If the material is reproduced or quoted, the South African Qualifications Authority (SAQA) should be acknowledged as the source.