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Elements and Performance Criteria

1. Prepare to repair mechanical components
   • Work health and safety (WHS)/occupational health and safety (OHS) requirements and workplace procedures for a given work area are identified and applied
2. Existing WHS/OHS risk control measures and workplace procedures are followed in preparation for the repair work
3. Safety hazards not previously identified are reported on job safety assessments, risks assessed and risk control measures sought from work supervisor
4. Nature of repair work is obtained from workplace documentation or from work supervisor to determine scope of work to be undertaken
5. Advice is sought from the work supervisor to ensure work is coordinated effectively with others
6. Sources of materials required for work are determined in accordance with workplace instructions and procedures
7. Tools, equipment and testing devices needed to carry out work are obtained and checked for correct operation and safety
8. Appropriate machine is selected, checked for safety and prepared for any necessary machining operation
9. Cutting tools are selected, sharpened and set-up for each machining operation
10. Repair mechanical components
    • Existing WHS/OHS risk control measures and workplace procedures are followed
11. Circuits/machines/plant are checked and isolated in accordance with WHS/OHS requirements and workplace procedures
12. Component being machined is positioned and clamped in accordance with workplace procedures
13. Machining is carried out safely and to suit the mechanical component and material being machined in accordance with safe work practices and workplace procedures
14. Measurements are taken and confirmed to ensure repairs comply with technical industry standards, job specifications and workplace requirements
15. Mechanical components are repaired in accordance with technical industry standards, job specifications and workplace requirements
16. Existing safe work methods for dealing with unplanned situations are discussed with appropriate person/s and documented
17. Unplanned situations are responded to in accordance with workplace procedures in a manner that minimises risk to personnel and equipment and with the approval of an authorised person
18. Ongoing checks of the quality of repair work are undertaken in accordance with workplace procedures
19. Repairs are carried out efficiently without unnecessary waste of materials and energy and damage to apparatus circuits, the surrounding environment or services
20. Complete work and report
    • WHS/OHS work completion risk control measures and workplace procedures are followed
21. Work area is cleaned and made safe in accordance with workplace procedures
22. Component fittings are aligned to verify repaired component/s conform to industry standards, job specifications and requirements
23. Work completion is documented and appropriate person/s notified in accordance with workplace procedures

Range Statement

Range is restricted to essential operating conditions and any other variables essential to the work environment. Non-essential conditions may be found in the UEE Electrotechnology Training Package Companion Volume Implementation Guide.
Repairing and maintaining electrical machine components must include at least two of the following:	shaft bearing housing end shield fan coupling machine housing

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Performance Evidence

Evidence required to demonstrate competence in this unit must be relevant to and satisfy all of the requirements of the elements, performance criteria and range of conditions on at least two separate occasions and include:

applying relevant work health and safety (WHS)/occupational health and safety (OHS) requirements and workplace procedures and practices, including using risk control measures applying sustainable energy principles and practices completing workplace documentation and reports inspecting and testing completed mechanical maintenance work machining mechanical components in accordance with safe working practices and workplace procedures maintaining mechanical components of electrical machines planning to repair/maintain mechanical components of electrical machines repairing mechanical component/s of electrical machines, including: dealing with unplanned events in accordance with workplace procedures in a manner that minimises risk to personnel and equipment documenting repairs in accordance with workplace procedures and instructions establishing the scope of the repair work repairing component to relevant industry standards securing work piece/parts/components correctly selecting appropriate repair method sharpening cutting tools/twist drills correctly, as required.

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Knowledge Evidence

Evidence required to demonstrate competence in this unit must be relevant to and satisfy all of the requirements of the elements, performance criteria and range of conditions and include knowledge of:

dangers and safety precautions, including hazardous dust, cleaning material and safe working practices current industry practices and technologies machining industry practices and technologies relevant job safety assessments or risk mitigation processes relevant manufacturer specifications relevant WHS/OHS legislated requirements including relevant safe working practices relevant workplace documentation relevant workplace policies, procedures and instructions repairing mechanical components of electrical machines, including: hazards and safety precautions safe working practices electrical machine bearings requirements, including: bearing damage and remedial action handling and storage of bearings lubrication and calculation of bearing life types, clearances, and techniques for removing and fitting bearings machines couplings, including: fitting and aligning couplings fitting and aligning pulleys types of belts and their applications types of couplings and applications machine components of electrical machines machine faults, inspection and testing procedures dismantling/assembling and repairing workplace procedures/instructions, including marking of electrical connections, recording positions of gears/pulleys/couplings, dismantle procedures, bearing removal/replacement and test run brushes, including characteristics, types, selection and components mechanical components removal and installation, including: marking of winding connections motor alignment alignment workplace procedures/instructions sustainable energy principles and practices.

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