MEM27007 — Diagnose and rectify low voltage starting systems

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What an assessment for MEM27007 must cover

40 assessable components: 3 elements (15 performance criteria), 7 performance evidence and 18 knowledge evidence requirements. An audit-defensible tool maps every question and task back to these — that mapping is the coverage matrix Auditori generates alongside the assessment.

Elements & performance criteria

1 Determine job requirements

1.1Follow standard operating procedures (SOPs)
1.2Comply with work health and safety (WHS) requirements at all times
1.3Use appropriate personal protective equipment (PPE) in accordance with SOPs
1.4Identify job requirements from specifications, drawings, job sheets or work instructions

2 Assess starting motor operation

2.1Apply principles of magnetism, induced voltage and electromagnetism and electric motor principles to assess starter motor operation
2.2Interpret starting motor component functions and multi-pole/winding/shunt wiring arrangements
2.3Test the performance of the cranking motor drive mechanism
2.4Determine starter locked armature current, voltage and torque

3 Test and rectify starting motors

3.1Dismantle and assemble starting motors according to manufacturer recommendations
3.2Perform testing to determine shorts to ground, turn shorts and winding continuity
3.3Test solenoid, relays and over-temperature devices
3.4Test starter engagement mechanism and adjust where possible, i.e. pinion clearance
3.5Ensure starting system is free of excessive voltage drops
3.6Connect starting and charging cables to circuit connections tighten and insulate
3.7Determine starter locked armature current, voltage and torque

Performance evidence

following work instructions, standard operating procedures (SOPs) and safe work practices
identifying and interpreting specifications, charts, lists, drawings, diagrams and service documents to diagnose and rectify low voltage starting systems
identifying the construction of electric starter motors
testing the cranking motor drive mechanism
dismantling and assembling given starter motors in accordance with manufacturer recommendations/procedures and specifications using appropriate tools, equipment and techniques
checking operation of given starter motors for electrical faults, including testing solenoids, relays and over-temperature devices, operation and conformance of the engagement mechanism, excessive voltage drops and all circuit connections for compliance with specifications
testing the repaired/overhauled starter motor to ensure that the locked armature current, voltage and torque for compliance to specifications.

Knowledge evidence

safe work practices and procedures and use of personal protective equipment (PPE)
concepts of magnetism, electromagnetism and induced voltage
principles of operation of electric motors
components and functions of common starting motors
effect of multi-pole/winding/shunt wiring arrangements on starting motor performance
tests and test procedures that can be used to check the performance of the cranking motor drive mechanism
concept of ‘locked armature’ in terms of current, voltage and torque and specifications
tools and equipment used to test components and systems
procedures for: determining locked armature current, voltage and torque
testing solenoids, relays and over-temperature devices for correct operation and operational specifications
testing and adjusting starter engagement mechanisms and specifications
checking starting systems for excessive voltage drops
manufacturers’ recommended dismantling/assembling procedures, tools and equipment for given starting motors
range of electrical tests that can be applied to starting motors and the purpose of these tests
equipment and procedures required to carry out the tests
function of solenoids, relays and over-temperature devices
effect and causes of voltage drops on starting system operation/performance
effect of loose, poorly joined and/or inappropriate insulation on starting motor performance/operation and specifications of all circuit connections.

Unit content sourced from training.gov.au — © Commonwealth of Australia, licensed under CC BY 4.0. Auditori is not affiliated with the Department of Employment and Workplace Relations.

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Questions about assessing MEM27007

What does an assessment tool for MEM27007 need to cover?

To satisfy the Principles of Assessment and Rules of Evidence, an assessment for MEM27007 needs to address all 40 unit components: 3 elements with 15 performance criteria, 7 performance evidence requirements, 18 knowledge evidence requirements, and the foundation skills. A coverage matrix mapping each question and task to these components is what an auditor looks for.

How does Auditori generate an assessment tool for MEM27007?

Auditori pulls the current release of MEM27007 from training.gov.au and generates a complete package: candidate assessment, assessor guide with model answers and observation criteria, and a coverage matrix mapping every component. A suitably qualified person then reviews and approves the draft in a built-in workflow — consistent with ASQA's guidance on AI use in VET — before export as branded PDF and editable Word.

Is the first assessment tool really free?

Yes. Every new account includes one free credit — enough to generate the complete assessment tool for MEM27007 — with no card and no subscription required. After that it's pay-as-you-go per unit.

Can I check my existing MEM27007 assessment instead of generating a new one?

Yes — upload your existing assessment or learner guide and Auditori maps it against every element, performance criterion, PE and KE of MEM27007, showing exactly what's covered and what's missing. Mapping costs a quarter of a credit.

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