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Elements and Performance Criteria

  1. Prepare to diagnose and repair motorcycle braking system
  2. Diagnose braking system
  3. Repair braking system
  4. Complete work processes
  5. Prepare to diagnose and repair motorcycle braking system
  6. Diagnose braking system
  7. Repair braking system
  8. Complete work processes

Range Statement

This section specifies work environments and conditions that may affect performance. Essential operating conditions that may be present (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) are included. Bold italicised wording, if used in the performance criteria, is detailed below.

Safety and environmental requirements must include:

work health and safety (WHS) and occupational health and safety (OHS) requirements, including procedures for:

lifting and supporting motorcycles

managing and controlling brake dust and brake fluid

environmental requirements, including procedures for trapping, storing and disposing of brake dust and brake fluid released from braking systems.


Performance Evidence

Before competency can be determined, individuals must demonstrate they can perform the following according to the standards defined in this unit’s elements, performance criteria, range of conditions and foundation skills:

diagnose and repair a fault in the following braking systems of two different motorcycles:

one hydraulically-operated two-wheel disc braking system, in which the work must involve:

removing, bleeding and adjusting hand brake lever and brake pedal, master cylinder, brake hose, brake calipers, brake pads and brake rotors

refitting or replacing them

one mechanically-operated drum braking system, in which the work must involve:

removing and adjusting hand brake lever and brake pedal, cables and rods, brake drums and shoes, and actuating mechanisms

refitting or replacing them.


Knowledge Evidence

Individuals must be able to demonstrate knowledge of:

work health and safety (WHS) and occupational health and safety (OHS) requirements relating to diagnosing and repairing motorcycle braking systems, including procedures for:

lifting and supporting motorcycles

managing and controlling brake dust and brake fluid

environmental requirements, including procedures for trapping, storing and disposing of brake dust and brake fluid released from braking systems

operating principles of motorcycle braking systems and associated components, including:

levers

friction

hydraulics, including force, pressure and area relationship

application, purpose and operation of motorcycle disc and drum braking systems and components, including:

master cylinders

brake fluids

disc brake systems, including:

types of brake discs

disc pads

self-adjustment of disc pads

fixed, floating and multi-piston brake calipers

drum brake systems, including:

self-energising, servo effect

mechanically operated systems

hydraulically operated systems

manual and self-adjustment systems

combined braking systems

diagnostic testing procedures for motorcycle braking systems, including:

operational testing of master cylinder

testing brake fluid

operational testing of disc and drum brake, including rod and cable checking and measurement

measuring and evaluating brake drums, shoes, discs and pads

repair procedures for motorcycle braking systems, including:

procedures for removing, replacing and adjusting hydraulic system components, including master cylinder, switches, brake hoses and lines, rods and cables, disc calipers and disc pads, brake drums, brake shoes and wheel cylinders

procedures for removing, replacing and adjusting mechanical braking system components, including brake lever, rods and cables, brake drums and brake shoes

methods of bleeding brake systems

post-repair testing procedures for motorcycle braking systems, including procedures for:

brake bedding-in

road testing.