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Elements and Performance Criteria

1. Select and prepare a screen cleaning machine for use
   • Specialised screen cleaning machinery and equipment is selected and prepared to job requirements and confirmed against work plan.
   • Routine pre-operational checks of screen cleaning machinery and equipment are completed to manufacturer's specifications and enterprise requirements.
   • Occupational Health and Safety (OHS) hazards in the workplace are recognised and risks assessed and minimised according to enterprise requirements.
2. Operate a screen cleaning machine
   • Machinery and equipment is operated in a safe and controlled manner and monitored for performance and efficiency.
   • Risks to self, others and the environment are anticipated and minimisation strategies implemented accordingly.
   • Suitable personal protective clothing and equipment is selected, used, maintained and stored according to OHS requirements.
   • Environmental implications associated with machinery operation are identified, assessed and reported to the supervisor.
3. Complete and report on the seed cleaning operation
   • Shut-down procedures for screen cleaning machinery and equipment are completed to manufacturer's specifications and enterprise requirements.
   • Screen cleaning machinery and equipment operational records are completed and maintained according to enterprise requirements.
   • Malfunctions, faults, observation of irregular performance to screen cleaning machinery and equipment are detailed and reported according to enterprise requirements.
   • Screen cleaning machinery and equipment is cleaned, secured and stored according to OHS and enterprise requirements.

Required Skills

Required skills

define the processing requirements of a seed processing job determine the limitations of seed cleaning machinery and make adjustments to achieve a desired outcome disassemble a screen cleaner clean a screen cleaner assemble a screen cleaner for operation select and place screens appropriate for the cleaning task assess the input and outputs of the screen cleaner make adjustments to the screen cleaner settings to maximise the output operate the screen cleaner effectively use literacy skills to read interpret and follow organisational policies and procedures follow sequenced written instructions record accurately and legible information collected and select and apply procedures for a range of tasks use oral communication skillslanguage competence to fulfil the job role as specified by the organisation including questioning techniques active listening clarifying information and consulting with supervisors as required use numeracy skills to estimate calculate and record routine workplace measures use interpersonal skills to work with and relate to people from a range of cultural social and religious backgrounds and with a range of physical and mental abilities

Required knowledge

the principles of a screen cleaner the different types of screen cleaners available for the task the adjustment and effect of airflow within each of the screen cleaners chambers the correct clean down procedure possible contamination points screen types and designs ball trays and their purpose required maintenance and usual wear points machinery safety types of impurities and the machines ability to handle impurities documentation associated with seed cleaning

Evidence Required

The evidence guide provides advice on assessment and must be read in conjunction with the performance criteria required skills and knowledge range statement and the Assessment Guidelines for the Training Package
Overview of assessment
Critical aspects for assessment and evidence required to demonstrate competency in this unit	The evidence required to demonstrate competency in this unit must be relevant to workplace operations and satisfy holistically all of the requirements of the performance criteria and required skills and knowledge and include achievement of the following select screens and prepare machinery for use operate a screen cleaner complete and report on cleaning operation
Context of and specific resources for assessment	Competency requires the application of work practices under work conditions Selection and use of resources for some worksites may differ due to the regional or enterprise circumstances

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Range Statement

The range statement relates to the unit of competency as a whole.
Use of screen cleaners may include:	usage for a wide range of commercially grown seed and include: aspirators pre-cleaners air screen cleaners any variation of these machines, both reciprocating and rotary, with or without additions to enhance performance.
Screen cleaning of seed may occur	on farms using mobile screen cleaners in seed processing plants.

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