Unit of competency Outline

Date retreived
23/07/2026 4:46 AM AWST

Whilst all efforts are made to provide accurate and timely information from the relevant source/documentation, please be aware that the information supplied may not be the most current version. The accuracy of the detail has not been confirmed by the Department and therefore should not be relied upon without first confirming the contents.

Diagnose and rectify low voltage starting systems

Diagnose and rectify low voltage starting systems

Unit of competency
National Code
MEM27007
State Code
OAT31
TGA Status
Current
DTWD Status
Approved
Current Release Number
1.00
Current Release Date
26/06/2019
View on TGA
State Implementation and Classification
Approved Date
Field of Education
031313 - Electrical Fitting, Electrical Mechanics
Original Release Date
Nominal Hours
18
Description
This unit of competency defines the skills and knowledge required to assess the operation, test and repair starting systems requiring the use of amps, voltage and resistance (AVR) test equipment.Where soldering of wires/connections is required unit MEM05001 Perform manual soldering/desoldering - electrical/electronic components should also be selected.No licensing, legislative or certification requirements apply to this unit at the time of publication.Band: AUnit Weight: 2
Notes
Elements and Performance Criteria
1 Determine job requirements
  • 1.1 Follow standard operating procedures (SOPs)
  • 1.2 Comply with work health and safety (WHS) requirements at all times
  • 1.3 Use appropriate personal protective equipment (PPE) in accordance with SOPs
  • 1.4 Identify job requirements from specifications, drawings, job sheets or work instructions
2 Assess starting motor operation
  • 2.1 Apply principles of magnetism, induced voltage and electromagnetism and electric motor principles to assess starter motor operation
  • 2.2 Interpret starting motor component functions and multi-pole/winding/shunt wiring arrangements
  • 2.3 Test the performance of the cranking motor drive mechanism
  • 2.4 Determine starter locked armature current, voltage and torque
3 Test and rectify starting motors
  • 3.1 Dismantle and assemble starting motors according to manufacturer recommendations
  • 3.2 Perform testing to determine shorts to ground, turn shorts and winding continuity
  • 3.3 Test solenoid, relays and over-temperature devices
  • 3.4 Test starter engagement mechanism and adjust where possible, i.e. pinion clearance
  • 3.5 Ensure starting system is free of excessive voltage drops
  • 3.6 Connect starting and charging cables to circuit connections tighten and insulate
  • 3.7 Determine starter locked armature current, voltage and torque
No information
No information
Replaces
State Code National Code Title Type
W5576 MEM18031B Diagnose and rectify low voltage starting systems Unit of competency