24297 version 1
Page 1 of 3
Demonstrate knowledge of engine gasket and sealant options
Level
3
Credits
2
Purpose
This theory-based unit standard is for people in the automotive repair
industry. People credited with this unit standard are able to demonstrate
knowledge of engine gasket and sealant options.
Subfield
Motor Industry
Domain
Engines
Status
Registered
Status date
25 January 2008
Date version published
25 January 2008
Planned review date
31 December 2012
Entry information
Open.
Accreditation
Evaluation of documentation and visit by NZQA and
industry.
Standard setting body (SSB)
NZ Motor Industry Training Organisation (Incorporated)
Accreditation and Moderation Action Plan (AMAP) reference
0014
This AMAP can be accessed at http://www.nzqa.govt.nz/framework/search/index.do.
Special notes
None.
 New Zealand Qualifications Authority 2016
24297 version 1
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Elements and performance criteria
Element 1
Demonstrate knowledge of engine gasket and sealant options.
Performance criteria
1.1
Types of head gasket used are described in accordance with engine
manufacturer specifications.
Range
1.2
The primary functions of engine gaskets is described in accordance with engine
manufacturer specifications.
Range
1.3
includes but is not limited to – provide a gas sealed disconnection
point between components, resistant to high temperatures,
resistant to fretting caused by thermal and dynamic flange
movement, meets environmental performance standards.
Types of secondary gaskets used in engines are described in accordance with
engine manufacturer specifications.
Range
1.6
includes but is not limited to – stainless steel (single and multilayer), fibre composite, graphite.
Features of exhaust gaskets are described in accordance with engine
manufacturer specifications.
Range
1.5
includes but is not limited to – seal combustion gas, oil, and
coolant; contribution to the engine's durability; distribution of clamp
load to sealing areas; accommodation of thermal deflections and
surface roughness.
Materials used for exhaust gaskets are described in accordance with engine
manufacturer specifications.
Range
1.4
includes but is not limited to – single-layer aluminium or steel,
fibre, graphite, multi-layer steel, steel-elastomer, copper.
includes but is not limited to – cork, fibre, rubber-coated steel,
metal-elastomer, liquid-elastomer moulding (LEM).
Types of oil seal used in engines are described in accordance with product
and/or engine manufacturer specifications.
Range
includes but is not limited to – single lip, multiple lip, integrated,
deflector and positive guide type valves stem seals, O-rings,
packing or rope seals.
 New Zealand Qualifications Authority 2016
24297 version 1
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1.7
Liquid sealant applications used in engines are described in accordance with
product manufacturer specifications.
Range
includes but is not limited to – thread locking, thread sealing, formin-place gasketing, gasket dressing, flange sealing, strengthen
keyed assemblies, shaft mounted components, housed
components, retaining.
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 the NZ Motor Industry Training Organisation (Incorporated)
info@mito.org.nz if you wish to suggest changes to the content of this unit standard.
 New Zealand Qualifications Authority 2016