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Elements and Performance Criteria

  1. Determine job requirements
  2. Comply with work health and safety (WHS) requirements at all times
  3. Use appropriate personal protective equipment (PPE) in accordance with SOPs
  4. Identify job requirements from specifications, drawings, job sheets or work instructions
  5. Secure system from potentially hazardous situations
  6. Bleed down accumulators and position actuators to remove stored energy in accordance with manufacturer instructions
  7. Identify equipment hydraulic systems and relevant operational data
  8. Identify control modules and fieldbus wiring locations for hydraulic systems
  9. Consult equipment operator where appropriate and collect additional data on equipment performance and faults
  10. Check previous maintenance reports and preventative maintenance schedules and review for additional fault-finding data
  11. Check hydraulic system components and fluid
  12. Inspect equipment for obvious faults, leaks and contamination
  13. Access, inspect and test the operational function of components in accordance with SOPs
  14. Trace and localise faults with reference to manufacturer troubleshooting procedures, including using accessing and interpreting fault codes in controllers
  15. Determine parts that require repair or replacement
  16. Check hydraulic fluid and components for signs of contamination
  17. Rectify component faults
  18. Source replacement components from manufacturer/supplier
  19. Prepare and assemble hoses, tubes and pipework
  20. Assemble and refit replacement components and conductors to system
  21. Replace filter or fluid where required
  22. Test and adjust system for correct operation according to SOPs
  23. Dismantle, inspect and rectify linear actuators
  24. Evaluate component parts for condition
  25. Fit seals and bearings in accordance with manufacturer specifications
  26. Reassemble and fit cylinders/rams in accordance with manufacturer instructions
  27. Test assembly in accordance with manufacturer instructions
  28. Complete maintenance and fault rectification work
  29. Verify correct operation of the system using fluid power principles and manufacturer instructions
  30. Instigate appropriate follow-up procedures
  31. Update maintenance and service records

Range Statement

This field allows for different 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.

General servicing includes the following:

fluid replacement

filtration requirements

oil sampling

checking for and rectifying faults

preventative maintenance

checks and adjustments to suit changes in operating conditions

Hydraulic systems include the following:

open circuit

closed circuit

systems used for one (1) or more of the following:

direct motive power

powering actuators

braking

transmissions and gearboxes

pumping

Contaminants include one (1) or more of the following:

dirt

metal particles

other particulates

water

fuel

non-hydraulic oil

Rectifying includes the following:

replacement of components and fittings

filtering or replacement of hydraulic fluid

assembly and fitting of hydraulic hoses

flushing/cleaning of tubing and pipework

resealing and repairs to cylinders and rams

resetting of controls

Checks include one (1) or more of the following:

pressure and flow testing

cycle times

basic interrogation of diagnostic system controllers

basic electronic servicing

Components include one (1) or more of the following:

actuators

fixed and variable displacement pumps

pressure, directional and flow control valves

electro-hydraulic servo and servo-proportional valve (EHSV)

hydraulic motors

reservoirs

contamination control components (filtration)

fluid conductors/fittings

other associated equipment

Service of hydraulic systemsinclude the following:

change out of hydraulic components, including:

pumps

valves

actuators

the associated remedial actions required, including:

system flushing and purging

setting of component parameters