Elements describe the essential outcomes.

Performance criteria describe the performance needed to demonstrate achievement of the element.

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

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