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Elements and Performance Criteria

1. Select and prepare a screen cleaning machine for use
   • Select and prepare screen cleaning machinery and equipment to job requirements and confirm against work plan
   • Complete routine pre-operational checks of the machine to manufacturer's specifications and enterprise requirements
   • Recognise workplace health and safety hazards in the workplace and assess and minimise risks
2. Operate a screen cleaning machine
   • Operate machinery and equipment in a safe and controlled manner and monitor for performance and efficiency
   • Anticipate risks to self, others and the environment and implement minimisation strategies accordingly
   • Select, use, maintain and store suitable personal protective equipment (PPE)
   • Report environmental implications associated with machinery operation
3. Complete and report on the seed cleaning operation
   • Complete shut-down procedures to manufacturer's specifications and enterprise requirements
   • Complete and maintain screen cleaning machinery and equipment operational records
   • Report malfunctions, faults and observation of irregular performance of screen cleaning machinery and equipment
   • Clean, secure and store screen cleaning machinery and equipment

Range Statement

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Performance Evidence

The candidate must be assessed on their ability to integrate and apply the performance requirements of this unit in a workplace setting. Performance must be demonstrated consistently over time and in a suitable range of contexts.

The candidate must provide evidence that they can:

assemble and operate a screen cleaner

assess the input and outputs of the screen cleaner

complete and report on cleaning operation

define the processing requirements of a seed processing job

disassemble and clean a screen cleaner

select and place screens and prepare machinery for use

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Knowledge Evidence

The candidate must demonstrate knowledge of:

principles and practices for operating a screen cleaner

ball trays and their purpose

documentation associated with seed cleaning

machinery safety

possible contamination points

required maintenance and usual wear points

screen types and designs

the adjustment and effect of airflow within each of the screen cleaner's chambers

the correct clean down procedure

the different types of screen cleaners available for the task

types of impurities and the machine's ability to handle impurities

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