NZQA registered unit standard 27922 version 1 Page 1 of 3

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NZQA registered unit standard
27922 version 1
Page 1 of 3
Title
Remove and fit an extrusion blow moulding die head assembly and
an extruder screw
Level
3
Credits
6
Purpose
People credited with this unit standard are able to remove and
fit: an extrusion blow moulding die head assembly; and an
extrusion blow moulding machine extruder screw.
Classification
Plastics Processing Technology > Extrusion Blow Moulding
Available grade
Achieved
Entry information
Recommended skills
and knowledge
Unit 297, Run and monitor the extrusion blow moulding
production process; Unit 298, Control and trial the extrusion
blow moulding process for a simple extrusion blow mould; Unit
300, Service an advanced or complex mould for extrusion blow
moulding; Unit 302, Set up simple moulds and ancillary
equipment for extrusion blow moulding; or demonstrate
equivalent knowledge and skills.
Explanatory notes
1
All work practices must meet enterprise health and safety requirements.
2
Definitions
Enterprise means an organisation where training and/or assessment is taking place,
and/or where the trainee is employed.
Enterprise procedures are defined as actions which comply with the policies,
systems, and directives in a particular enterprise. Enterprise procedures must
comply with the requirements of the Health and Safety in Employment Act 1992, and
subsequent amendments.
Competenz
SSB Code 101571
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
27922 version 1
Page 2 of 3
Outcomes and evidence requirements
Outcome 1
Remove and fit an extrusion blow moulding die head assembly.
Evidence requirements
1.1
The blow moulding machine is prepared for a die head change in accordance
with enterprise procedures.
1.2
Die head is removed using machine manufacturer’s procedure in accordance
with enterprise procedures.
1.3
Replacement die head is prepared in accordance with enterprise procedures.
1.4
Replacement die head fitting is performed using machine manufacturer’s
procedure in accordance with enterprise procedures.
1.5
Machine is set to job specification.
Outcome 2
Remove and fit a blow moulding machine extruder screw.
Evidence requirements
2.1
Screw is removed using machine manufacturer's procedure in accordance with
enterprise procedures.
2.2
Screw is cleaned in accordance with enterprise procedures.
2.3
Screw is inspected for physical damage, and any defects are recorded and
reported in accordance with enterprise procedures.
2.4
Barrel is cleaned and inspected, condition is recorded, and any damage is
reported in accordance with enterprise procedures.
2.5
Screw is selected to job specification, and is fitted to the blow moulding machine
using manufacturer's procedures.
Planned review date
31 December 2017
Status information and last date for assessment for superseded versions
Process
Version Date
Last Date for Assessment
Registration
Competenz
SSB Code 101571
1
21 March 2013
N/A
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
27922 version 1
Page 3 of 3
Consent and Moderation Requirements (CMR) reference
0134
This CMR can be accessed at http://www.nzqa.govt.nz/framework/search/index.do.
Please note
Providers must be granted consent to assess against standards (accredited) by NZQA,
before they can report credits from assessment against unit standards or deliver courses
of study leading to that assessment.
Industry Training Organisations must be granted consent to assess against standards by
NZQA before they can register credits from assessment against unit standards.
Providers and Industry Training Organisations, which have been granted consent and
which are assessing against unit standards must engage with the moderation system that
applies to those standards.
Requirements for consent to assess and an outline of the moderation system that applies
to this standard are outlined in the Consent and Moderation Requirements (CMRs). The
CMR 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 [email protected] if you wish to suggest changes to the
content of this unit standard.
Competenz
SSB Code 101571
 New Zealand Qualifications Authority 2016
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