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Manual metal arc weld automotive components
Level
3
Credits
4
Purpose
This unit standard is for people in the automotive engineering industry who
are required to arc weld. People credited with this unit standard are able to
prepare to weld components; and manual metal arc weld automotive
components on and off the vehicle or machine.
Subfield
Motor Industry
Domain
Automotive Workshop Engineering
Status
Registered
Status date
20 March 2008
Date version published
20 March 2008
Planned review date
31 December 2012
Entry information
Recommended: Unit 24373, Demonstrate knowledge of
the manual metal arc welding process in the motor
industry, or demonstrate equivalent knowledge and
skills.
Replacement information
This unit standard and unit standard 24373 replaced unit
standard 950.
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
1
Legislation and publications relevant to this unit standard include but are not limited
to – Health and Safety in Employment Act 1992; Land Transport Rules: Heavy
Vehicles 2004, Rule 31002; Vehicle Repair 1998, Rule 34001; Vehicle Standards
Compliance 2002, Rule 35001/1; New Zealand Standard NZS 4711:1984
Qualification tests for metal-arc welders; Vehicle Inspection Requirements Manual
(VIRM) – In-service Certification.
 New Zealand Qualifications Authority 2016
24372 version 1
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2
Land Transport Rules are produced for the Minister of Transport by Land Transport
New Zealand. These rules are available online at
http://www.landtransport.govt.nz/rules/.
New Zealand Standards are available from Standards New Zealand, Private Bag
2439, Wellington; phone 04 498 5990; or website http://www.standards.co.nz.
The VIRM is published by Land Transport New Zealand and is available online at
http://www.landtransport.govt.nz/certifiers/virm-in-service/index.html.
3
Definition
Company requirements refer to instructions to staff on policy and procedures which
are documented in memo or manual format and are available in the workplace.
These requirements include but are not limited to – company specifications and
procedures, work instructions, manufacturer specifications, product quality
specifications, and legislative requirements.
Welding manufacturer instructions refer to specifications and/or instructions provided
by the welding equipment manufacturer for the correct operation of the welding
equipment provided by that manufacturer.
4
Range
Evidence is required of manual metal arc welding a minimum of two automotive
components.
Elements and performance criteria
Element 1
Prepare to weld components.
Performance criteria
1.1
Safety precautions are followed throughout the preparation and electric arc
welding operation in accordance with manufacturer instructions and legislative
requirements.
Range
1.2
Hazards associated with the process are identified prior to welding in
accordance with company requirements.
Range
1.3
the operator, the equipment, nearby personnel, vehicles or
machines, heat shielding of adjacent components.
hazards include but are not limited to – electrical, arc radiation, fire
and/or explosion, ventilation, compressed gas, confined space.
Equipment is selected and assembled to weld steel in accordance with welding
manufacturer instructions.
Range
power source rating and duty cycle, welding cables, electrode
holder and work clamp, setting up the plant, adjustment of
equipment, selection of electrode for the job.
 New Zealand Qualifications Authority 2016
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1.4
The components are prepared to ensure a sound basis for welding in
accordance with welding manufacturer instructions.
Range
1.5
removal of contaminants from the surface to be welded, abutting
ends square, suitable gap between the joint edges, components
positioned in situ.
Heat shielding of adjacent vehicle or machine components is carried out to
prevent any damage or risk of fire or explosion in accordance with company
requirements.
Element 2
Manual metal arc weld automotive components on and off the vehicle or machine.
Performance criteria
2.1
Safe working practices are observed throughout the task in accordance with
legislative requirements.
Range
2.2
personal safety, safety of others, vehicle safety, workshop safety,
environmental safety, tools and equipment safety.
The components are welded in position on and off the vehicle or machine in
accordance with welding manufacturer instructions, Land Transport Rules,
and/or NZS 4711.
Range
full penetration, no undercutting, width and height of deposited
metal, no leakage occurring through the weld, appearance of
finished job.
2.3
No damage occurs to the vehicle or machine electronic systems as a direct
result of the welding carried out.
2.4
The welding equipment is stored in a safe and tidy manner after use in
accordance with company requirements.
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.
 New Zealand Qualifications Authority 2016
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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)
moderation@mito.org.nz if you wish to suggest changes to the content of this unit
standard.
 New Zealand Qualifications Authority 2016