Unit of competency Outline

Date retreived
22/07/2026 9:53 AM AWST

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Maintain, fault find and rectify hydraulic systems for mobile plant

Maintain, fault find and rectify hydraulic systems for mobile plant

Unit of competency
National Code
MEM27017
State Code
OAT21
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
030717 - Plant And Machine Operations
Original Release Date
Nominal Hours
36
Description
This unit of competency defines the skills and knowledge required to test, fault find and rectify hydraulic systems used in the earthmoving, agricultural and transport industries. It covers identifying the hydraulic system and components used on mobile plant, general servicing and identifying faults that are related to electronic and fieldbus controls and communication.Where the rectification of electronic controls is required unit MEM27016 Diagnose and maintain electronic controlling systems on mobile and stationary plant should also be selected.Where the rectification of communication systems is required unit MEM27018 test, diagnose and rectify mobile and stationary plant external monitoring and control systems should also be selected.Where the rectification of fieldbus controls is required unit MEM27023 Diagnose and rectify fieldbus circuits in mobile and stationary plant and equipment should also be selected.No licensing, legislative or certification requirements apply to this unit at the time of publication.Band: AUnit Weight: 4
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 Secure system from potentially hazardous situations
  • 2.1 Identify sources of stored energy and assess mobile plant for potentially hazardous situations and conditions
  • 2.2 Bleed down accumulators and position actuators to remove stored energy in accordance with manufacturer instructions
3 Identify equipment hydraulic systems and relevant operational data
  • 3.1 Check specifications and drawings for mobile equipment systems, actuators and accessories dependent on hydraulic power
  • 3.2 Identify control modules and fieldbus wiring locations for hydraulic systems
  • 3.3 Consult equipment operator where appropriate and collect additional data on equipment performance and faults
  • 3.4 Check previous maintenance reports and preventative maintenance schedules and review for additional fault-finding data
4 Check hydraulic system components and fluid
  • 4.1 Identify system components using appropriate circuit diagrams or manufacturer instructions
  • 4.2 Inspect equipment for obvious faults, leaks and contamination
  • 4.3 Access, inspect and test the operational function of components in accordance with SOPs
  • 4.4 Trace and localise faults with reference to manufacturer troubleshooting procedures, including using accessing and interpreting fault codes in controllers
  • 4.5 Determine parts that require repair or replacement
  • 4.6 Check hydraulic fluid and components for signs of contamination
5 Rectify component faults
  • 5.1 Remove faulty components from system using appropriate tools, procedures and techniques
  • 5.2 Source replacement components from manufacturer/supplier
  • 5.3 Prepare and assemble hoses, tubes and pipework
  • 5.4 Assemble and refit replacement components and conductors to system
  • 5.5 Replace filter or fluid where required
  • 5.6 Test and adjust system for correct operation according to SOPs
6 Dismantle, inspect and rectify linear actuators
  • 6.1 Dismantle hydraulic cylinders and rams using appropriate tools, procedures and techniques
  • 6.2 Evaluate component parts for condition
  • 6.3 Fit seals and bearings in accordance with manufacturer specifications
  • 6.4 Reassemble and fit cylinders/rams in accordance with manufacturer instructions
  • 6.5 Test assembly in accordance with manufacturer instructions
7 Complete maintenance and fault rectification work
  • 7.1 Perform scheduled preventive maintenance and other hydraulic systems servicing according to manufacturer schedules and instructions
  • 7.2 Verify correct operation of the system using fluid power principles and manufacturer instructions
  • 7.3 Instigate appropriate follow-up procedures
  • 7.4 Update maintenance and service records
No information
No information
Replaces
State Code National Code Title Type
W5598 MEM18052B Maintain fluid power systems for mobile plant Unit of competency