Elements and Performance Criteria

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.
Functions and types of chiming system
Functions and types of chiming system may include:
chiming clocks of various movement design (e.g. count wheel or locking plate, rack or combinations of control systems)
long case and mantle clocks
motive force (e.g. mainsprings or weights)
gear trains (e.g. components of each train)
chime release mechanism (e.g. control functions - chime and strike)
chime and strike fans (e.g. control speed of trains)
hand setting and synchronisation with chimes and strike
winding systems in chiming clocks
night shut-off switch types
chime correcting mechanisms
types of chimes by hammers and sequences for tunes (e.g. 4 or 8 hammer)
tunes played (e.g. Westminster, St. Michaels and Whittington)
chiming media (e.g. gongs, tubes and bells)
Record and document repair process
Record and document repair process may include:
date and extent of repair
cost of replacement parts
time spent on procedure
Design and operation of chiming corrector mechanism
Design and operation of chiming corrector mechanism may include:
double detent
spring loaded catch
rocking locking plate
bell crank
pivoted detent
Inspect condition
Inspect condition may include:
originality of components
corrosion
cleanliness
wear
hand setting tension
function and safety of winding mechanism
gear train end shake/backlash/lubrication
mainspring engagement/hooking/tension/ lubrication
adjustment of chime and striking functions
verification of chime corrector functions
synchronised chime release with operations of hands at the four quarters
amount of warning for chime train
strike release mechanism operation
sound of chimes and strike monitored
gong rods, bells, tubes alignment and security including attachment to case
hammer head inserts (e.g. condition - worn or aged)
Chime components
Chime components may include:
four quarter cam
lifter
chime flirt or detents
strike flirt or detent
chime locking plate
chime corrector
chime gear train (e.g. warning wheel)
ratio wheel (e.g. transmission)
chime pin barrel
gong rods, bells and tubes
hammers
Faults in chime components
Faults in chime components may include:
mounting security (e.g. gong rods, bells and tubes)
warning and locking pin security and detent mountings
hammer condition
worn arbors and bearings
broken or worn chime components
Correct set-up
Correct set-up may include:
synchronised chime release with hands
amount of warning
chime corrector operation
correct tune sequence
sounds of chime
Hand tools and equipment
Hand tools and equipment may include:
clock repairers' hand tools (e.g. tweezers, screwdrivers and eyeglasses)
universal shifter, sockets and spanners
pliers, end cutters, files and levers
movement holders, stands and wall brackets
stakes for supporting removal/replacement of components (e.g. gathering pallet, cannon pinions and chime locking plate)
lathe for pivot and arbor repairs and finishing
clock bushing tool and replacement bushes
lubrication (e.g. oiler, oil pots and greases)
hand cleaning (e.g. pith, peg wood and rodico solvents jar)
Appropriate working environment
Appropriate working environment may include:
clean bench and working area
adequate lighting and ventilation
tools and equipment organised and in good condition
ergonomic seating, including bench height
Clean and safe work environment
Clean and safe work environment may be specified through:
relevant legislation and regulations
enterprise operating procedures
5S housekeeping related principles and procedures (e.g. sort, straighten, shine, standardise, sustain)

EVIDENCE GUIDE
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 service mechanical chiming clocks 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:
dismantle and reassemble clocks with chiming mechanisms
fault-find clocks with chiming mechanisms
repair/replace worn or damaged components
perform correct set-up, operation and performance testing on chiming clocks
adjust chiming clock mechanisms for correct operation/synchronisation with hands and sound generation/tonality
apply lubrication techniques (e.g. correct type and amount)
diagnose faults relating to chime mechanisms
verify operation of chime correctors.
Context of and specific resources for assessment
Assessment may occur on the job or in a simulated working 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 and/or 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 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 project-related 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.