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Service multiple battery installations on vehicles, machines, and/or
units
Level
3
Credits
3
Purpose
This unit standard is for people in the automotive industry. People credited
with this unit standard are able to: determine the serviceability of lead-acid
batteries; replace lead-acid batteries on vehicles, machines, and/or units;
charge multiple lead-acid batteries; carry out an emergency start; and repair
battery cables and terminals.
Subfield
Motor Industry
Domain
Automotive Electrical and Electronics
Status
Registered
Status date
21 September 2007
Date version published
21 September 2007
Planned review date
31 December 2012
Entry information
Recommended: Unit 21675, Demonstrate knowledge of
automotive batteries, or demonstrate equivalent
knowledge and skills.
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 relevant to this unit standard includes but is not limited to – Health and
Safety in Employment Act 1992; Land Transport Rules: Heavy Vehicles 2004, Rule
31002; Vehicle Repair 1998, Rule 34001.
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/.
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3
Definition
Service information may include but is not limited to – technical information of a
vehicle, machine, or product detailing operation; installation and servicing
procedures; manufacturer instructions and specifications; technical terms and
descriptions; and detailed illustrations. This can be accessed in hard copy or
electronic format and is normally sourced from the manufacturer.
4
For this unit standard, it is essential that the practical assessment evidence is
obtained in the workplace under normal workplace conditions.
Elements and performance criteria
Element 1
Determine the serviceability of lead-acid batteries.
Performance criteria
1.1
Test equipment is selected that will enable the serviceability of the batteries to
be determined.
1.2
Safe working practices are observed throughout the task in accordance with
legislative requirements.
Range
personal safety, safety of others, no damage to equipment.
1.3
The batteries are inspected visually and all physical defects are identified and
reported to the supervisor.
1.4
The state of charge of each battery is determined and compared to the battery
manufacturer specifications.
1.5
Battery manufacturer test procedures are followed.
Element 2
Replace lead-acid batteries on vehicles, machines, and/or units.
Performance criteria
2.1
The safety precautions necessary when handling lead-acid batteries are
followed throughout the replacement operation.
Range
may include but is not limited to – connections, lifting and
supporting, acid spillage, ventilation requirements, protection
against shorting, using protective clothing, using the correct tools,
storage and disposal of used batteries, dangers of salt water with
electrolyte.
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2.2
Batteries are selected for the particular application in accordance with
manufacturer specifications and charts.
Range
includes but is not limited to – 12v and 24v systems.
2.3
The batteries are disconnected and removed, ensuring that the electrical
system and any electronic memories are protected, and any systems are
re-established.
2.4
The batteries are positioned and connected in accordance with vehicle,
machine, or unit manufacturer instructions.
Range
series, parallel, secured properly.
Element 3
Charge multiple lead-acid batteries.
Performance criteria
3.1
The batteries are prepared for charging in accordance with safe working
practices.
Range
batteries cleaned, electrolyte topped-up, secured properly.
3.2
The batteries are connected to the charger in the manner specified by the
equipment manufacturer.
3.3
The batteries are fully charged in accordance with the battery charger
instructions.
3.4
Safety checks are made throughout the charging process to ensure minimum
risk to personnel.
Range
may include but is not limited to – electrolyte level, monitoring
amount and state of charge, fuming, overheating, connecting
charger, disconnecting charger, secured properly.
Element 4
Carry out an emergency start.
Performance criteria
4.1
Safe working practices are observed throughout the task in accordance with
legislative requirements.
Range
personal safety, safety of others, vehicle and battery safety.
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4.2
Batteries are connected to an emergency starting device in a manner that
ensures that the risk of explosion and component damage is eliminated.
Range
two of the following emergency starting devices – portable starting
pack, spike resistant jumper leads and slave batteries,
replacement batteries.
4.3
The engine is started, in accordance with vehicle, machine, or unit service
information, run until warm, and then stopped.
4.4
Batteries are disconnected from the emergency starting device in a manner that
ensures that battery explosion and damage to electrical and electronic circuits
do not occur.
4.5
The engine is restarted and run, to ensure the starting system functions in
accordance with vehicle, machine, or unit service information.
Element 5
Repair battery cables and terminals.
Performance criteria
5.1
Battery cables are inspected, any faults are identified, and a decision is made
whether to repair or replace based on feasibility of repair.
5.2
A battery cable is repaired to restore full serviceability.
5.3
A new battery cable and terminals are selected for a specified application, and
the cable is made up to meet vehicle, machine, or unit manufacturer
specifications.
Range
5.4
may include but is not limited to – main supply cable, earth strap,
inter-battery link.
A battery supply cable is fitted to meet vehicle, machine, or unit manufacturer
specifications.
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.
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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)
janet.lane@mito.org.nz if you wish to suggest changes to the content of this unit standard.
 New Zealand Qualifications Authority 2016