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Elements and Performance Criteria

  1. Apply principles of occupational health and safety (OHS) to cleaning activities
  2. Select and prepare appropriate methods, equipment and solutions
  3. Prepare parts and components for cleaning
  4. Perform cleaning operations
  5. Assess outcomes of cleaning process

Required Skills

Required skills

Required skills include

handling cleaned components

handling chemicals safely

operating cleaning machines

mixing chemicals and solutions

handling cleaned components to prevent contamination

storing cleaned components to maintain finish

Required knowledge

Required knowledge includes

cleaning solutions and uses

cleaning procedures for different components and finishes

watch case cleaning methods ultrasonic vibrationary

cleaning machine types uses function and operation

potential for damage to components by chemicals or cleaning operations

chemical storage and disposal

OHS regulations and procedures

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

A person who demonstrates competency in this unit must be able to clean watch and clock components to industry standards manufacturer specifications and in accordance with safety regulations and procedures

Critical aspects for assessment and evidence required to demonstrate competency in this unit

Assessors must be satisfied that the candidate can competently and consistently

prepare solutions and equipment

work safely with chemicals and equipment

sort and track components during process

clean components without damage

verify components as effectively cleaned

Context of and specific resources for assessment

Assessment may occur on the job or in an appropriately simulated environment Access is required to real or appropriately simulated situations including work areas materials and equipment and information on workplace practices and OHS practices

Where applicable reasonable adjustment must be made to work environments and training situations to accommodate ethnicity age gender demographics and disability

Access must be provided to appropriate learning andor assessment support when required Where applicable physical resources should include equipment modified for people with disabilities

Method of assessment

Assessment must satisfy the endorsed Assessment Guidelines of the MEM Metal and Engineering Training Package

Assessment must satisfy the endorsed Assessment Guidelines of the MEM05 Metal and Engineering Training Package.

Assessment methods must confirm consistency and accuracy of performance over time and in a range of workplace relevant contexts together with application of underpinning knowledge

Assessment methods must be by direct observation of tasks and include questioning on underpinning knowledge to ensure its correct interpretation and application

Assessment may be applied under projectrelated conditions real or simulated and require evidence of process

Assessment must confirm a reasonable inference that competency is not only able to be satisfied under the particular circumstance but is able to be transferred to other circumstances

Assessment may be in conjunction with assessment of other units of competency where required

Guidance information for assessment

Assessment processes and techniques must be culturally appropriate and appropriate to the language and literacy capacity of the candidate and the work being performed


Range Statement

The range statement relates to the unit of competency as a whole. It allows for different work environments and situations that may affect performance. Bold italicised wording, if used in the performance criteria, is detailed below. Essential operating conditions that may be present with training and assessment (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) may also be included.

Personal protective equipment

Personal protective equipment may include:

protective masks

gloves for handling chemicals

fire blankets and extinguishers

ventilation of cleaning area

clothing (e.g. dustcoats and aprons)

Emergency response procedures

Emergency response procedures may include:

safe selection and use of fire extinguishers

use of safety blankets and other methods of suppressing solvent-based fires

emergency treatment of eye splashes and chemical burns

carcinogenic effects of chemical inhalation and absorption

Cleaning methods, processes and equipment

Cleaning methods, processes and equipment may include:

mechanical processes (e.g. rotational and vibrational)

electronic (e.g. ultrasonic)

steam cleaning

cleaning machines

cleaning baskets

hand cleaning (e.g. with pith, brushes and peg wood)

Cleaning solutions

Cleaning solutions may include:

number 1 degreasing and cleaning solution (WF1)

customised solutions, ammonia, oleic acid, acetone and water-based solutions

commercial grade ammonia concentrates

rinsing solutions, including hydrocarbon solvents (e.g. Shellite, Mobil B1 and X55)