4168 version 6
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Maintain a woollen ring spinning machine
Level
5
Credits
60
Purpose
People credited with this unit standard are able to: prepare a spinning
machine maintenance schedule; carry out routine maintenance on a woollen
ring spinning machine; rectify spinning machine mechanism and component
faults; and identify sub-standard spinning performance.
Subfield
Textiles Manufacture
Domain
Woollen Yarn Processing
Status
Registered
Status date
23 April 2008
Date version published
23 April 2008
Planned review date
31 December 2013
Entry information
Prerequisites: Unit 4166, Spin yarn on a woollen ring
spinning machine, and Unit 4167, Set up woollen
spinning machine to spin yarn, or demonstrate
equivalent knowledge and skills.
Accreditation
Evaluation of documentation and visit by NZQA and
industry.
Standard setting body (SSB)
Competenz
Accreditation and Moderation Action Plan (AMAP) reference
0030
This AMAP can be accessed at http://www.nzqa.govt.nz/framework/search/index.do.
Special notes
1
Competence will be demonstrated on a spinning machine used in the candidate’s
workplace.
2
Performance of the elements must comply with the Health and Safety in Employment
Act 1992.
3
Workplace productivity and quality requirements must be met.
 New Zealand Qualifications Authority 2016
4168 version 6
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4
It is recommended that persons credited with this unit standard know the handling
procedures for electronic circuit cards.
5
Workplace procedures refer to the verbal or documented procedures for performing
work activities and include health and safety, operational, environmental, and quality
management requirements. They may refer to manuals, manufacturer's
specifications, codes of practice, or policy statements.
Elements and performance criteria
Element 1
Prepare a spinning machine maintenance schedule.
Performance criteria
1.1
Schedule identifies spinning machine sections and parts requiring routine
maintenance in accordance with workplace procedures.
1.2
Schedule indicates timing and frequency of maintenance.
1.3
Procedures for maintenance are specified.
Element 2
Carry out routine maintenance on a woollen ring spinning machine.
Performance criteria
2.1
Maintenance is carried out in accordance with workplace procedures
maintenance schedule.
Range
2.2
sections and parts identified in schedule, timing and frequency,
procedures specified in schedule.
Maintenance records are kept in accordance with workplace procedures.
Element 3
Rectify spinning machine mechanism and component faults.
Range
components and mechanisms are spindle assembly, spindle tape circuit, false
twist unit, gear train, spindle drive train, builder mechanism, ring and ring
holder, doffing mechanism, clutches, oiling system, variable speed mechanism,
anti-snarl device.
Performance criteria
3.1
Mechanism or component is removed and/or disassembled in accordance with
workplace procedures to enable replacement or repair.
 New Zealand Qualifications Authority 2016
4168 version 6
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3.2
Mechanism or component is assessed for replacement or repair in accordance
with workplace procedures.
3.3
Replacement or repair is carried out in accordance with workplace procedures.
3.4
Mechanism or component is reassembled and/or replaced on spinning machine
in accordance with workplace procedures.
3.5
Repaired mechanism is reset and/or tuned to operate to machine specification.
Element 4
Identify sub-standard spinning performance.
Performance criteria
4.1
Cause of sub-standard performance is identified and corrective action chosen in
accordance with workplace procedures.
4.2
Corrective action is prioritised in relation to production schedule and resource
constraints.
Range
resource constraints – labour, parts, finance.
Please note
Providers must be accredited by NZQA, or an inter-institutional body with delegated
authority for quality assurance, before they can report credits from assessment against
unit standards or deliver courses of study leading to that assessment.
Industry Training Organisations must be accredited by NZQA before they can register
credits from assessment against unit standards.
Accredited providers and Industry Training Organisations assessing against unit standards
must engage with the moderation system that applies to those standards.
Accreditation requirements and an outline of the moderation system that applies to this
standard are outlined in the Accreditation and Moderation Action Plan (AMAP). The
AMAP also includes useful information about special requirements for organisations
wishing to develop education and training programmes, such as minimum qualifications for
tutors and assessors, and special resource requirements.
Comments on this unit standard
Please contact Competenz info@competenz.org.nz if you wish to suggest changes to the
content of this unit standard.
 New Zealand Qualifications Authority 2016