Nzqa expiring unit standard 889 version 5




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NZQA Expiring unit standard

889 version 5




Page of




Title

Repair an automotive alternator

Level

3

Credits

3




Purpose

This unit standard is for people in the automotive repair industry. People credited with this unit standard are able to: test an alternator, remove from the engine, and inspect components; replace brushes and bearings; and assemble and refit the alternator to the engine.




Classification

Motor Industry > Automotive Electrical and Electronics




Available grade

Achieved




Entry information

Critical health and safety prerequisites

Unit 234, Describe automotive starting and charging systems and their operation, or demonstrate equivalent knowledge and skills.


Explanatory notes
1 The following legislation and amendments are required to be consulted and followed where applicable:

Health and Safety in Employment Act, 1992.


2 Unit standard Range this unit standard covers slip ring type alternators only.
3 Reference to suitable tools and equipment means industry approved tools and equipment that are recognised within the industry as being the most suited to complete the task to a professional and competent manner with due regard to safe working practices.
4 Because of the particular nature of this unit standard, it is essential that the practical assessment evidence is obtained from commercial jobs in the workplace under normal workplace conditions.
Outcomes and evidence requirements
Outcome 1
Test an alternator, remove from the engine, and inspect components.
Evidence requirements
1.1 Safe working practices are observed throughout the task.
Range personal safety, safety of others, equipment and vehicle safety.
1.2 Suitable tools and equipment are selected and used to enable the test and inspection to be carried out.
1.3 The alternator is tested on the vehicle to determine if it is faulty, according to vehicle manufacturer's specifications, and the nature of any faults is identified and noted.
1.4 The alternator is removed from the engine without damage to alternator or associated connections, according to vehicle manufacturer's instructions.
1.5 The alternator is disassembled in the sequence and manner prescribed by the manufacturer, and any signs indicating the cause of faults are noted.
1.6 Mechanical components are inspected for wear and damage, and the need for repair or replacement is determined depending on extent of wear and damage.
Range case, shaft, pulley, bearings, brushes, slip rings, rotor.
1.7 Repairs and replacement of components required, other than brushes and bearings, are reported to the supervisor for further action.
Outcome 2
Replace brushes and bearings.
Evidence requirements
2.1 Safe working practices are observed throughout the task.
Range personal safety, safety of others, equipment safety.
2.2 Suitable tools and equipment are selected and used to enable brushes and bearings to be replaced.
2.3 Brushes and bearings are replaced according to vehicle manufacturer's instructions.
Outcome 3
Assemble and refit the alternator to the engine.
Evidence requirements
3.1 Safe working practices are observed throughout the task.
Range personal safety, safety of others, equipment and vehicle safety.
3.2 Suitable tools and equipment are selected and used to enable the alternator to be assembled and refitted to the vehicle.
3.3 The alternator is assembled in the sequence and manner prescribed by the manufacturer and without damage to any of the parts.
3.4 The alternator is bench tested, and any necessary rectifications made, to ensure that it complies with the manufacturer's specifications for a fully serviceable unit.
3.5 The alternator is refitted to the engine according to vehicle manufacturer's instructions.
3.6 The charging system test results are within vehicle manufacturer's specifications.



Replacement information

This unit standard and unit standard 5457 have been replaced by unit standard 24654.


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 Assessment

Registration

1

29 October 1993

31 December 2016

Review

2

4 October 1996

31 December 2016

Review

3

26 February 1999

31 December 2016

Review

4

25 January 2008

31 December 2016

Rollover

5

19 November 2010

31 December 2016




Accreditation and Moderation Action Plan (AMAP) reference

0014

This AMAP 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, 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 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.
Consent 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.

NZ Motor Industry Training Organisation (Incorporated)

SSB Code 101542



Ó New Zealand Qualifications Authority 2016





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