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Elements and Performance Criteria

1. Prepare to inspect and service hydraulic system
   • Job requirements are determined from workplace instructions
   • Servicing information is sourced and interpreted
   • Hazards associated with the work are identified and risks are managed
   • Tools, equipment and materials are selected and checked for serviceability
2. Inspect hydraulic system
   • Hydraulic system inspection and operational testing are carried out according to manufacturer specifications, workplace procedures, and safety and environmental requirements
   • Inspection results are compared with manufacturer specifications
3. Inspection findings are reported according to workplace procedures, including recommendations for necessary repairs or adjustments
4. Service hydraulic system
   • Service and adjustments are carried out according to manufacturer specifications, workplace procedures, and safety and environmental requirements, and without causing damage to components or systems
   • Post-service testing is carried out according to workplace procedures
5. Complete work processes
   • Final inspection is made to ensure work is to workplace expectations and hydraulic system is presented ready for use
   • Work area is cleaned, waste and non-recyclable materials are disposed of, and recyclable material is collected
   • Tools and equipment are checked and stored according to workplace procedures
   • Workplace documentation is processed according to workplace procedures
6. Prepare to inspect and service hydraulic system
   • Job requirements are determined from workplace instructions
   • Servicing information is sourced and interpreted
   • Hazards associated with the work are identified and risks are managed
   • Tools, equipment and materials are selected and checked for serviceability
7. Inspect hydraulic system
   • Hydraulic system inspection and operational testing are carried out according to manufacturer specifications, workplace procedures, and safety and environmental requirements
   • Inspection results are compared with manufacturer specifications
   • Inspection findings are reported according to workplace procedures, including recommendations for necessary repairs or adjustments
8. Service hydraulic system
   • Service and adjustments are carried out according to manufacturer specifications, workplace procedures, and safety and environmental requirements, and without causing damage to components or systems
   • Post-service testing is carried out according to workplace procedures
9. Complete work processes
   • Final inspection is made to ensure work is to workplace expectations and hydraulic system is presented ready for use
   • Work area is cleaned, waste and non-recyclable materials are disposed of, and recyclable material is collected
   • Tools and equipment are checked and stored according to workplace procedures
   • Workplace documentation is processed according to workplace procedures

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.

Hydraulic system must include:

reservoir accumulator pump valves actuators motor filters hoses, pipes and connectors.

Safety and environmental requirements must include:

work health and safety (WHS) and occupational health and safety (OHS) requirements, including procedures for: using raising, lowering and supporting equipment working with fluids under pressure working with hot fluid hazards isolating and stabilising vehicles or machinery environmental requirements, including procedures for: trapping, storing and disposing of hydraulic fluid released from hydraulic systems disposing of filters.

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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:

inspect and service two different hydraulic systems, in which the work must involve:

evaluating hydraulic fluid condition

replacing hydraulic filters

carrying out adjustments

carrying out visual inspections

carrying out operational testing.

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Knowledge Evidence

Individuals must be able to demonstrate knowledge of:

work health and safety (WHS) and occupational health and safety (OHS) requirements relating to inspecting and servicing hydraulic systems, including procedures for:

using raising, lowering and supporting equipment

working with fluids under pressure

working with hot fluid hazards

isolating and stabilising vehicles or machines

environmental requirements, including procedures for:

trapping, storing and disposing of hydraulic fluid released from hydraulic systems

disposing of filters

identification, function and basic operation of major hydraulic system components, including:

reservoir

accumulator

pump and charge pump

pump

valves

actuators

motor

oil cooler

filters

hoses, pipes, connectors and fittings

AS 1101.1 Graphic symbols for general engineering, Part 1: Hydraulic and pneumatic systems

types and applications of hydraulic oils, including:

additives

viscosity ratings

viscosity index

fire resistant fluids

synthetic fluids

types and applications of hydraulic filters, including:

filter types

position of filters

filter ratings

inspection, evaluation and operational test procedures for hydraulic systems, including:

hydraulic oil sampling

oil contamination control

cycle times checks

pressure checks

service and adjustment procedures for hydraulic systems, including:

oil and filter replacement scheduling

oil cleanliness procedures

post-service testing procedures for hydraulic systems.

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