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: 

Maintain and repair Overlock sewing machines 
SAQA US ID UNIT STANDARD TITLE
262523  Maintain and repair Overlock sewing machines 
ORIGINATOR
SGB Clothing, Textiles, Footwear and Leather 
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 3  NQF Level 03  12 
REGISTRATION STATUS REGISTRATION START DATE REGISTRATION END DATE SAQA DECISION NUMBER
Reregistered  2018-07-01  2023-06-30  SAQA 06120/18 
LAST DATE FOR ENROLMENT LAST DATE FOR ACHIEVEMENT
2024-06-30   2027-06-30  

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 does not replace any other unit standard and is not replaced by any other unit standard. 

PURPOSE OF THE UNIT STANDARD 
This standard is in the elective category of the NQF Level 3 National Certificate in CTFL Mechanician Processes. Learners who are assessed competent with this unit standard are able to clean and lubricate strip, assemble and set/tune a range of clothing machinery. Learners are also able to conduct running maintenance and to diagnose a range of clothing machinery and to utilise garment construction skills in testing machines. 

LEARNING ASSUMED TO BE IN PLACE AND RECOGNITION OF PRIOR LEARNING 
Learners will have attained an ABET Level 4 qualification or equivalent qualification at NQF Level 2. 

UNIT STANDARD RANGE 
Range of machines:
  • 2, 3 or 4 thread overlockers.
  • Mock safety machines.
  • Safety stitch machines. 

  • Specific Outcomes and Assessment Criteria: 

    SPECIFIC OUTCOME 1 
    Describe the method of operation and practical application of overlock sewing machines. 

    ASSESSMENT CRITERIA
     

    ASSESSMENT CRITERION 1 
    The explanation confirms that machines are selected for given applications. 

    ASSESSMENT CRITERION 2 
    Differential feed is explained in terms of purpose and use. 

    ASSESSMENT CRITERION 3 
    Mock safety stitches are explained in relation to their construction and use. 

    SPECIFIC OUTCOME 2 
    Diagnose and rectify faults in overlock sewing machines. 

    ASSESSMENT CRITERIA
     

    ASSESSMENT CRITERION 1 
    Tension faults are diagnosed and rectified to meet/satisfy product specifications. 

    ASSESSMENT CRITERION 2 
    Timing faults are diagnosed and machine retimed to meet manufacturer's specifications. 

    ASSESSMENT CRITERION 3 
    Machine timings are adjusted for different materials. 

    SPECIFIC OUTCOME 3 
    Service the main stitching components of overlock sewing machines. 

    ASSESSMENT CRITERIA
     

    ASSESSMENT CRITERION 1 
    Mechanisms for controlling and handling thread during stitch formation are serviced in accordance with manufacturer's specifications. 

    ASSESSMENT CRITERION 2 
    Machines are set up and adjusted to sew a range of fabrics. 

    SPECIFIC OUTCOME 4 
    Carry out service procedures on overlock machines. 

    ASSESSMENT CRITERIA
     

    ASSESSMENT CRITERION 1 
    Lubrication system is serviced to manufacturers' specifications. 

    ASSESSMENT CRITERION 2 
    Service procedures are carried out according to manufacturers' recommendations and company safety requirements. 

    ASSESSMENT CRITERION 3 
    Tools and gauges are selected and used according to manufacturers specifications. 

    SPECIFIC OUTCOME 5 
    Machines are compared for suitability for company products and requirements. 

    ASSESSMENT CRITERIA
     

    ASSESSMENT CRITERION 1 
    Machines are compared for suitability with company products and requirements in terms of machine design, needle bar motions, internal motion drive systems, stitch forming mechanisms, thread handling controls, feeding systems, stitch length mechanisms, stitch bight, needle gauge, lubrication systems, 3 and 4 thread overlockers, safety stitch machines, motor drives, operation costs, maintainability. 

    ASSESSMENT CRITERION 2 
    Results of comparison are documented and presented in hard or electronic format. 


    UNIT STANDARD ACCREDITATION AND MODERATION OPTIONS 
    N/A 

    UNIT STANDARD ESSENTIAL EMBEDDED KNOWLEDGE 
    The demonstrated understanding of:
  • Types of tools used in routine maintenance cleaning and lubrication of basic clothing machinery.
  • Lubrication systems.
  • Codes of practice for routine maintenance, including maintenance schedules.
  • Requirements for applying all safety precautions when carrying out basic routine maintenance.
  • The operation of fabric trimming mechanisms on overlock macines.
  • Overlock Stitch formation and applications. 

  • 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 basic routine maintenance, fault identification and cleaning and lubrication of basic clothing machinery. 

    UNIT STANDARD CCFO WORKING 
    Work effectively with others and as a member of a team. 

    UNIT STANDARD CCFO COMMUNICATING 
    Communicate effectively verbally or in writing, regarding the maintenance and care issues of basic clothing machinery. 

    UNIT STANDARD CCFO SCIENCE 
    Use science and technology, enabling the correct selection of lubrication and cleaning materials. 

    UNIT STANDARD CCFO DEMONSTRATING 
    Demonstrate an understanding of the world as a set of related systems, relating to the care and maintenance of basic clothing machinery and production targets. 

    UNIT STANDARD ASSESSOR CRITERIA 
    Assessors need to be experienced in the following areas:
  • Interpersonal skills.
  • Subject matter.
  • Assessment.
  • The assessor needs to be competent in the planning and conducting of assessment of learning outcomes as described in the unit standard: "Plan and conduct assessment of learning outcomes NQF Level 4".
  • Assessors need to register with the relevant education and training quality assurance body.
  • The assessor must be in possession of the NQF Level 4 sewing machine mechanician qualification or equivalent and have a minimum of 5 years relevant working experience in this field. 

  • REREGISTRATION HISTORY 
    As per the SAQA Board decision/s at that time, this unit standard was Reregistered in 2012; 2015. 

    UNIT STANDARD NOTES 
    N/A 

    QUALIFICATIONS UTILISING THIS UNIT STANDARD: 
      ID QUALIFICATION TITLE PRE-2009 NQF LEVEL NQF LEVEL STATUS END DATE PRIMARY OR DELEGATED QA FUNCTIONARY
    Elective  65651   National Certificate: Sewing Machine Mechanics  Level 3  NQF Level 03  Reregistered  2023-06-30  FPMSETA 


    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.
     
    1. Cape Peninsula University of Technology 
    2. Future Discovery Training Academy CC 
    3. Kway Manufacturers Pty Ltd 
    4. Maab Training Management ( Pty) Ltd 
    5. Mnambithi TVET College 
    6. Pesac Professional Training (Pty) Ltd 
    7. Safe Heavens Properties (Pty) Ltd 
    8. THANDEKA VOCATIONAL EDUCATION TRUST (PTY) LTD 
    9. Trade Call Investments Apparel (Pty) LTD 
    10. Trade Call Investments Apparel (Pty) Ltd (Mobeni) 



    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.