23989 version 1

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Use and maintain a resistance spot welding plant in the motor industry

Level / 3
Credits / 2

PurposeThis unit standard is for people who work in the motor industry. People credited with this unit standard are able to spot weld metal in the motor industry, and maintain a spot welder.

Subfield / Motor Industry
Domain / Collision Repair
Status / Registered
Status date / 26 November 2007
Date version published / 26 November 2007
Planned review date / 31 December 2012
Entry information / Recommended: Unit 23988, Demonstrate knowledge of the resistance spot welding process used for vehicle repairs, or demonstrate equivalent knowledge and skills.
Replacement information / This unit standard and unit standard 23988 replaced unit standard 5765.
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

Special notes

1Legislation relevant to this unit standard includes but is not limited to – Health and Safety in Employment Act 1992;Land Transport Rule:Vehicle Repair 1998, Rule 34001.

2Land Transport Rules are produced for the Minister of Transport by Land Transport New Zealand. These rules are available online at

3Definitions

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.

Elements and performance criteria

Element 1

Spot weld metal in the motor industry.

Performance criteria

1.1Safe working practices are carried out throughout the task in accordance with legislative requirements.

Rangepersonal safety; safety of other people; vehicle, machine, and equipment safety; workshop safety; environmental safety; welding equipment safety.

1.2Spot welder is set up in accordance with welding manufacturer instructions.

Rangetype of metal, metal thickness, tip size, timer, pressure setting, current.

1.3Metal is prepared for welding in accordance with welding manufacturer instructions and company requirements.

Rangeincludes – no contaminants on the surface to be welded, metal positioned securely; may include but is not limited to anti-corrosion primer.

1.4The metal is welded in position in accordance with welding manufacturer instructions and legislative requirements.

Rangeincludes but is not limited to – full penetration, welds in centre of flange, neat appearance, evenly spaced, no indentations that exceed half the thickness of panel, no metal distortion, no weld splatter, no pin holes.

1.5No damage to electronics has occurred as a result of welding on the vehicle, machine, or equipment.

1.6Welding equipment is shut down after use and put away in accordance with welding manufacturer instructions and company requirements. There is no damage to equipment or injury to people.

Element 2

Maintain a spot welder.

Performance criteria

2.1Safe working practices are carried out throughout the task in accordance with legislative requirements.

Rangepersonal safety; safety of other people; workshop safety; environmental safety; tool, equipment, and machine safety.

2.2Spot welder is maintained in accordance with welding manufacturer instructions.

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) if you wish to suggest changes to the content of this unit standard.

 New Zealand Qualifications Authority 2018