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Elements and Performance Criteria

1. Prepare for reconditioning
   • Review work order and where required check with appropriate personnel.
   • Select appropriate repair, maintenance and personal protective equipment and check for operational effectiveness in line with manufacturer's recommendations.
   • Plan reconditioning process in line with work order.
2. Fit and grind wheel profile
   • Follow organisational safety procedures throughout all maintenance and repair processes.
   • Inspect and measure wheel to identify wear and grinding method.
   • Service, fit and align wheel grinder to wheel and band mill in line with manufacturer's instructions and recommended tolerances.
   • Make trial cut to check and further align grinder.
   • Grind wheel to remove all wear, ensuring face is not hollow.
   • Control grinding feeds to obtain required wheel profile and finish.
   • Measure wheel to ensure diameter of back and front edges are equivalent.
   • Measure wheel profile to ensure grinding has achieved required profile.
3. Reassemble band mill wheel
   • Remove grinder and base plate from band mill when grinding is complete.
   • Reassemble band mill components to manufacturer's instructions.
   • Set up band saw on mill to specified alignment.
   • Test band saw and mill to ensure correct operation.
   • Remove isolation padlocks or tags at completion of work in line with safety procedures.
   • Dispose of unserviceable wheels in line with organisational procedures and environmental protection practices.
   • Identify routine processing and equipment faults and resolve or report to appropriate personnel.

Range Statement

Not Applicable

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Performance Evidence

A person demonstrating competency in this unit must satisfy all of the elements, performance criteria and foundation skills of this unit. If a specific volume or frequency is not stated below, then evidence must be provided that the following requirements have been performed on at least one occasion:

follow organisational policies and procedures relevant to reconditioning band mill wheels

recondition band mill wheels in line with the work order and within prescribed organisational requirements

remove and replace wheels from band mill if faces are to be resurfaced on a metal lathe

assess band mill wheel conditions in line with standard operating procedures.

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Knowledge Evidence

A person competent in this unit must be able to demonstrate knowledge of:

purpose, features and operation of a band and wide band saw mill wheels

features and names of different parts of band mills

purpose, features and operation of tools and equipment used to recondition band mill wheels:

grinding equipment

measuring equipment

importance of aligning band mill wheels to the specified profile for continued accuracy during band saw operation

methods for:

removing wheels from band mills

assessing condition of wheels

grinding the faces of the band mill wheels to specified requirements

re-assembling band mill components

setting up band saw on mill to specific alignment

testing operational effectiveness of band saws and mills

wheel profiles and appropriate tolerances

range of speeds at which abrasive grinders can be operated without damaging band mill wheels

organisational policies and procedures specific to reconditioning band mill wheels:

workplace health and safety with particular emphasis on equipment lock out and use of personal protective equipment

communication reporting lines

recording and reporting processing and equipment faults.

environmental protection practices for repairing and maintaining tools and equipment in forest products factory settings:

reducing water and energy use

cleaning plant, tools and equipment

disposing of, recycling and reusing materials.

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