MEM27024 — Diagnose and rectify mobile plant hydrostatic systems

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What an assessment for MEM27024 must cover

44 assessable components: 3 elements (18 performance criteria), 12 performance evidence and 14 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 Identify and assess the function and operation of hydrostatic system components

2.1Identify motor and pump configurations used on equipment
2.2Identify pump types and control methods
2.3Check pump prime mover and alignment
2.4Identify charge pumps and assess operation against specifications
2.5Identify control valves and functions, including special control features
2.6Identify load sensors, other sensors, control modules, fieldbus circuits and other electrical or electronic components
2.7Locate and check filters, hydraulic lines, heat exchangers and reservoirs
2.8Test system operation and integrity according to manufacturer specifications

3 Repair/replace faulty components

3.1Interpret test results and determine components requiring repairs or replacement
3.2Determine component wear and clearances using appropriate test equipment and manufacturer recommendations
3.3Select replacement components using manufacturer’s data
3.4Remove and refit components to hydrostatic system using appropriate tools, equipment and techniques
3.5Test performance of hydrostatic system against specification
3.6Record all test and rectification activities

Performance evidence

following work instructions, standard operating procedures (SOPs) and safe work practices
identifying and interpreting specifications, charts, lists, drawings, design rules and other applicable reference documents to mobile plant hydrostatic systems
performing diagnostic testing procedures for hydrostatic transmissions, including: flow and pressure testing, measuring case drains, internal and external fluid leaks, abnormal noises and operation, scan tools and/or multimeter testing
undertaking calculation and numerical operations associated with diagnosing and rectifying closed circuit fluid power systems
checking hydrostatic system components for wear and clearance
removing, refitting, adjusting and aligning hydrostatic system components
selecting and using appropriate test equipment to test components for compliance to specifications
interpreting fault codes and data from test equipment and control modules
identifying faulty components visually and by using and adapting appropriate testing equipment and identifying components for reuse or replacement
removing and refitting components to hydrostatic assembly and selecting replacement parts using manufacturer catalogues and data
adjusting components using appropriate tools, techniques and equipment
recording/reporting all service/work activities in accordance with SOPs

Knowledge evidence

safe work practices and procedures and use of personal protective equipment (PPE)
different pump and motor configurations and their advantages and disadvantages in mobile applications, including: close coupled (motor and pump back to back units), split units (separate motor and pump) single and double, multiple pump/motor layouts
method of operation and assembly/disassembly procedures for axial, bent axis and radial pumps
pump control methods, including: mechanical, mechanical servo, pilot pressure, electronic servo, pressure/limitation and displacement control
operating principles of charge pumps, including construction, circuitry, case flushing and cooling and heating functions
functions and types of control valves used in hydrostatic/closed circuit systems
flow amplifiers and functions
effect of engine speed and performance on hydrostatic system
methods for checking hydrostatic system components for wear and clearance
procedures used to remove, refit, adjust and align hydrostatic system components
recording requirements for test and rectification activities
appropriate action to correct the faulty components
test equipment to be used in checking/testing mobile plant hydrostatic systems for correct operation and reasons for selection
tools, techniques and equipment used in maintaining and repair hydrostatic system assemblies

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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Real, unedited Auditori output (RIIHAN201E shown), branded for a sample RTO:

Questions about assessing MEM27024

What does an assessment tool for MEM27024 need to cover?

To satisfy the Principles of Assessment and Rules of Evidence, an assessment for MEM27024 needs to address all 44 unit components: 3 elements with 18 performance criteria, 12 performance evidence requirements, 14 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 MEM27024?

Auditori pulls the current release of MEM27024 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 MEM27024 — with no card and no subscription required. After that it's pay-as-you-go per unit.

Can I check my existing MEM27024 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 MEM27024, showing exactly what's covered and what's missing. Mapping costs a quarter of a credit.

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