Unit of competency Outline

Date retreived
23/07/2026 7:44 PM AWST

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Disconnect and reconnect 3.3 kV electric propulsion components of self-propelled earth moving vehicles

Disconnect and reconnect 3.3 kV electric propulsion components of self-propelled earth moving vehicles

Unit of competency
National Code
UEENEEP005B
State Code
W8230
TGA Status
Replaced
DTWD Status
Replaced
Current Release Number
1.00
Current Release Date
29/07/2011
View on TGA
State Implementation and Classification
Approved Date
09/09/2009
Field of Education
031313 - Electrical Fitting, Electrical Mechanics
Original Release Date
09/09/2009
Nominal Hours
54
Description
1) 1.1) DescriptorThis unit covers isolating, disconnecting and reconnecting HV electric propulsion components on engine driven, self-propelled earth moving vehicles under the restrictions of designated electrical equipment and conditions specified, operating at 3,300 volts. It encompasses working safely, identifying circuit and isolation arrangements, following isolation procedures, selecting and using HV testing and measuring devices, terminating and connecting HV cables and conductors, safety testing and reporting.
Notes
Elements and Performance Criteria
1 Prepare for disconnection or reconnection.
  • 1.1 Designated electrical equipment to be replaced is identified and purpose of the work to be carried out is verified with the authorised personnel.
  • 1.2 Occupational health and safety and other statutory requirements and established procedures are followed.
  • 1.3 Work clearances are obtained; isolation and disconnection procedures are followed in accordance with established procedures.
2 Disconnect designated electrical equipment.
  • 2.1 Relevant electrical characteristics and protection specifications are identified.
  • 2.2 Where appropriate on -board cables are identified and marked and connection sequence recorded.
  • 2.3 Designated electrical equipment is inspected for damage to components, and conclusions verified with authorised personnel.
  • 2.4 Visual checks of the designated electrical equipment and associated wiring are carried out in accordance with established procedures to detect any abnormal or obvious damage or fault.
  • 2.5 Isolated equipment is confirmed as de-energised.
  • 2.6 Approval is obtained in accordance with established procedures from appropriate personnel, before any contingencies are implemented.
  • 2.7 On -board cables are, where appropriate, disconnected without unnecessary damage to terminals or components.
  • 2.8 Designated electrical equipment is dismantled, removed and/or replaced in accordance with requirements to the extent necessary for disconnection, and without unnecessary damage.
  • 2.9 Designated electrical equipment parts and/or associated components are stored appropriately to protect them against damage.
  • 2.10 Repairs, where appropriate, to the removed equipment are carried out in accordance with requirements and established procedures.
3 Reconnect designated electrical equipment.
  • 3.1 Cables, where appropriate, are re-connected without damage to terminals or components.
  • 3.2 Connections are checked and tested to confirm correct polarity and continuity.
  • 3.3 Designated electrical equipment is assembled and checked to comply with the relevant Standards for the given technique.
  • 3.4 Designated electrical equipment is tested for safety and correct operation.
4 Prepare designated electrical equipment for return to service.
  • 4.1 Isolation devices are removed and work clearance is released in accordance with established procedures.
  • 4.2 Documentation is completed in accordance with established procedures.
  • 4.3 Operational personnel are notified when designated electrical equipment is ready for return to service in accordance with established procedures.
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