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Title / Repair and manufacture automotive components by oxy-acetylene gas welding
Level / 2 / Credits / 3
Purpose / This unit standard is for people in the automotive repair industry. People credited with this unit standard are able to assemble and light up an oxy-acetylene welding plant ready for use, and repair and manufacture mild steel components by oxy-acetylene gas welding.
Classification / Motor Industry > Automotive Workshop Engineering
Available grade / Achieved
Explanatory notes
The following legislation, standards, and their amendments are required to be consulted and followed where applicable:
Health and Safety in Employment Act, 1992;
Transport (Vehicle Standards) Regulations, 1990.
Outcomes and evidence requirements
Outcome 1
Assemble and light up an oxy-acetylene welding plant ready for use.
Evidence requirements
1.1Suitable protective clothing is worn by the operator.
Rangeprotection for – eyes, hands, hair, clothing, feet.
1.2Work precautions necessary for the safety of the operator, the plant, and nearby personnel are taken.
Rangeremoval of oils, greases, fuels, and hazardous waste from the work area; screens; welding in a designated area; protection from excessive heat of materials surrounding the intended weld.
1.3The gas cylinders, pressure regulators, hoses, and torch are inspected visually for serviceability, and assembled so that there are no gas leaks, no internal dust and dirt, and no trace of oil and grease.
1.4A welding tip, suitable for the job, is selected in accordance with the equipment manufacturer's chart, and fitted to the torch.
1.5A neutral flame is established.
Outcome 2
Repair and manufacture mild steel components by oxy-acetylene gas welding.
Evidence requirements
2.1Safety precautions are followed throughout the welding operation.
Rangesafety of the operator, equipment safety, safety of nearby personnel.
2.2Preparatory work on the components and parts, necessary to ensure a sound weld, is carried out.
2.3The weld is completed having good penetration, neat appearance, and minimal distortion of the component.
2.4The welded component is cooled in a manner which ensures that any harmful effects on the component that could result from the way in which it is cooled, are kept to a minimum.
2.5The welded component is suitably positioned and marked whilst cooling, to reduce the risk of any personnel getting burnt.
2.6The plant is shut down in accordance with manufacturer's instructions, and stored securely and safely in its designated location.
Replacement information / This unit standard and unit standard 3885 have been replaced by unit standard 21682 and unit standard 21685.This unit standard is expiring. Assessment against the standard must take place by the last date for assessment set out below.
Status information and last date for assessment for superseded versions
Process / Version / Date / Last Date for AssessmentRegistration / 1 / 28 February 1993 / 31 December 2016
Review / 2 / 4 August 1995 / 31 December 2016
Revision / 3 / 30 October 1997 / 31 December 2016
Revision / 4 / 28 May 1998 / 31 December 2016
Review / 5 / 20 December 1998 / 31 December 2016
Revision / 6 / 13 March 2001 / 31 December 2016
Revision / 7 / 16 October 2003 / 31 December 2016
Rollover / 8 / 25 July 2006 / 31 December 2020
Rollover / 9 / 19 November 2010 / 31 December 2020
Rollover / 10 / 22 August 2014 / 31 December 2020
Consent and Moderation Requirements (CMR) reference / 0014
This CMR can be accessed at
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 (CMR). 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.
NZ Motor Industry Training Organisation (Incorporated)SSB Code 101542 / New Zealand Qualifications Authority 2018