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 and repair faults in a carburetted fuel system 
SAQA US ID UNIT STANDARD TITLE
244130  Diagnose and repair faults in a carburetted fuel system 
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
260639  Diagnose and repair fuel system components  Level 4  NQF Level 04  8   

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 to diagnose carburetted petrol fuel system faults and their causes; to rectify carburetted system faults and their causes; to diagnose and rectify air intake system faults. 

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 
  • Interpretation of job instructions includes obtaining technical data, the identification and selection of tools and equipment and identifying the type of carburetted fuel system.
  • Technical data include the workshop and manufacturers manuals.
  • Type of system includes twin choke and constant depression types. 
    		•

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    The job instructions are interpreted and confirmed in terms of the requirements of the task. 

    ASSESSMENT CRITERION 2 
    The carburettor system is identified in accordance with job instructions. 

    ASSESSMENT CRITERION 3 
    Appropriate tools and equipment are obtained in accordance with the job instructions. 

    ASSESSMENT CRITERION 4 
    Workshop manuals are selected in accordance with the carburettor system. 

    ASSESSMENT CRITERION 5 
    The differences in the design of carburettor systems are explained in terms of their functions and limitations. 

    SPECIFIC OUTCOME 2 
    Diagnose carburetted fuel system faults and their causes. 
    OUTCOME RANGE 
  • Diagnose include to operate the vehicle to reproduce symptoms of the fault.
  • Faults and causes include poor performance, poor starting, excessive fuel consumption, dirty fuel tank and pipelines, blocked filters and inadequate pump pressure, faulty carburettor and fuel leaks. 
    		•

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    Diagnostic tools and equipment are selected in accordance with the fuel system tests required. 

    ASSESSMENT CRITERION 2 
    All the relevant detail concerning the symptoms and conditions of the fuel system are identified and noted. 

    ASSESSMENT CRITERION 3 
    A fuel consumption test is conducted in accordance with the manufacturers specifications. 

    ASSESSMENT CRITERION 4 
    A fuel quality test is conducted in accordance with the manufacturers specifications. 

    ASSESSMENT CRITERION 5 
    A fuel supply test is conducted in accordance with the manufacturers specifications. 

    ASSESSMENT CRITERION 6 
    The system faults and test results are analysed and the causes determined in accordance with workplace procedures. 

    ASSESSMENT CRITERION 7 
    Work is conducted in accordance with workplace and legislative safety requirements. 

    SPECIFIC OUTCOME 3 
    Repair carburettor and fuel system faults and test the operation. 
    OUTCOME RANGE 
  • Repair carburettor includes dismantling the carburettor and examine the parts for damage, wear and deterioration and the replacement of unserviceable parts.
  • Repair fuel system faults include tightening of components, replacing seals and components (fuel pump) and performing adjustments.
  • Test includes testing the inlet and outlet pressures of the fuel pump, air intake systems and system operation. 
    		•

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    Suitable tools and equipment are selected to carry out fuel system repairs. 

    ASSESSMENT CRITERION 2 
    Fuel blockages and restrictions are cleared and normal fuel flow rate is restored in accordance with manufacturer specifications. 

    ASSESSMENT CRITERION 3 
    Dirty and/or contaminated fuel system parts are cleaned and restored to serviceability. 

    ASSESSMENT CRITERION 4 
    The carburettor is dismantled, assembled and adjusted in accordance with the manufacturers specifications. 

    ASSESSMENT CRITERION 5 
    The carburettors parts are examined and all deviations from specifications are identified and repaired. 

    ASSESSMENT CRITERION 6 
    Unserviceable parts are replaced in accordance with workplace requirements. 

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

    ASSESSMENT CRITERION 8 
    The consequences of incorrect assembly and adjustment of carburettors is explained in terms of the effect on engine performance and efficiency. 

    ASSESSMENT CRITERION 9 
    Differences between fuel types are described in terms of their function and performance. 

    SPECIFIC OUTCOME 4 
    Apply safety concepts during diagnosing and repairing of fuel injection systems. 
    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 carburettor is diagnosed and repaired without incident, accident or injury. 

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

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

    SPECIFIC OUTCOME 5 
    Restore work area, complete and process documentation. 
    OUTCOME RANGE 
  • Restoring work area includes disposal of hazardous materials.
  • Tools and equipment are 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 workplace 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.
  • Anyone wishing to be assessed against this unit standard may apply to be assessed by any assessment agency, assessor or provider institution that is accredited by the relevant ETQA. 
    		•

    UNIT STANDARD ESSENTIAL EMBEDDED KNOWLEDGE 
    Names and functions of:
  • Fuels systems, carburettors and parts.

    Attributes, descriptions, characteristics and properties:
  • Carburettor fundamentals.
  • Carburettor design and application.

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

    Purpose of:
  • Fuels systems, carburettors and parts.

    Regulations, legislation, agreements, policies, standards:
  • Quality procedures.
  • Company policies and procedures.
  • SHE requirements.

    Theory: rules, principles, laws:
  • Carburettor problem diagnoses.
  • Exhaust gas analysing.

    Relationships, systems:
  • The function and operation of the carburettor in relation to the fuel system and engine operation. 
    		•

    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 the diagnose and repair of petrol fuel carburettor 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 the diagnose and repair of petrol fuel carburettor systems. 
    		•

    UNIT STANDARD CCFO ORGANISING 
    Organise and manage myself and my activities:
  • When preparing petrol fuel carburettor systems for diagnoses and repair.
  • When working in accordance with service and flat rate schedules.
  • When managing resources and my time. 
    		•

    UNIT STANDARD CCFO COMMUNICATING 
    Communicate effectively:
  • 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 special tools and test equipment to diagnose and repair petrol fuel carburettor systems.
  • 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. 
    		•

    UNIT STANDARD ASSESSOR CRITERIA 
    N/A 

    UNIT STANDARD NOTES 
    This unit standard has been replaced by unit standard 260639, which is "Diagnose and repair fuel system components", Level 4, 8 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 


    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.