2454 version 6
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Process wool grease
Level
3
Credits
3
Purpose
This unit standard is for people working in the wool scouring industry. People
credited with this unit standard are able to prepare and use a wool grease
recovery system to recover wool grease, identify problems in the operation of
the equipment, produce product to the required quality, carry out minor
maintenance and maintain records as required.
Subfield
Textiles Manufacture
Domain
Wool Scouring
Status
Registered
Status date
25 January 1995
Date version published
25 June 2007
Planned review date
31 December 2010
Entry information
Open.
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
All activities will be carried out in accordance with the Health and Safety in Employment
Act 1992.
Elements and performance criteria
Element 1
Prepare drums and grease storage tank.
Performance criteria
1.1
Drums and tanks are prepared for use according to workplace practice.
 New Zealand Qualifications Authority 2016
2454 version 6
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Range
cleaned internally to remove all contaminants and impurities,
labels and identification from previous use are removed, damaged
drums removed from stock.
Element 2
Separate grease by thermal cracking.
Performance criteria
2.1
Process conditions are monitored and maintained according to work instructions
and workplace practice.
Range
2.2
temperature, time.
Grease is run-off to separator and/or bulk storage tank or drums according to
workplace practice and work instructions.
Element 3
Process grease in a separator.
Performance criteria
3.1
Separator is assembled and checked according to machinery manufacturer’s
instructions.
Range
cleanliness of parts, oil level, vibration free, no liquor leaks.
3.2
Flows and pumps are started according to operating procedures.
3.3
Equipment is monitored and adjustments made to ensure plant is operating to
workplace requirements.
Range
3.4
feed, liquor temperatures, pump operation.
Grease flow to bulk storage tank or drum is monitored and feed rate to the
separator is adjusted to maintain grease quality.
Element 4
Take samples, record production, and mark drums.
Performance criteria
4.1
Production and related information recorded according to plant practice.
4.2
Drums are marked and weighed according to work instruction.
4.3
Samples of grease are taken and graded to industry specification.
 New Zealand Qualifications Authority 2016
2454 version 6
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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