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Elements and Performance Criteria

  1. Service clock cases
  2. Determine servicing requirements and liaise with customer
  3. Comply with work health and safety (WHS) requirements at all times
  4. Identify clock origin and case and movement construction and function
  5. Verify clock condition and performance concerns with customer
  6. Prepare written and verbal quotations
  7. Agree with customer on recommended service procedures
  8. Prepare clock for handover
  9. Record and document repair process
  10. Source replacement parts from industry suppliers
  11. Disassemble clock, case and movement components for servicing
  12. Select and use appropriate personal protective equipment (PPE) in accordance with SOPs
  13. Handle components without damaging or marking
  14. Remove clock movements in sequence considering case design and construction
  15. Select and use appropriate hand and bench tools
  16. Verify condition and completeness of clock case
  17. Perform power release in a safe manner
  18. Dismantle clock movement in correct sequence
  19. Service and repair movement, sub-assemblies and components
  20. Confirm servicing and repair requirements
  21. Replace or repair faulty or worn component parts, movement or sub-assemblies
  22. Use appropriate hand tools and equipment for servicing and repair
  23. Clean clock components at appropriate stages using cleaning and finishing methods
  24. Verify condition of components after cleaning
  25. Repair and replace missing or damaged components
  26. Clean internals and refinish/refurbish exterior with appropriate materials and techniques
  27. Reassemble clock movement and case components
  28. Assemble motion work and verify and adjust hand setting tension
  29. Check and adjust component operations and clock functioning
  30. Select and apply lubricants according to component design and estimated frictional load
  31. Apply clock assembly inspections and precautions
  32. Install and secure movement in case
  33. Bench test and adjust clock functions
  34. Set up, operate mechanical clock timing machine and interpret readings
  35. Verify clock performance and rate testing
  36. Adjust rate according to performance and design characteristics

Range Statement

This field allows for different work environments and conditions that may affect performance. Essential operating conditions that may be present (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) are included.

Clock origin, case and movement construction and function includes one (1) or more of the following:

clocks from all countries of manufacture

clocks manufactured during the 19th and 20th Centuries

clock cases made from timber, metal, natural stone and composite materials

movement components made from brass and steel

pendulum or balance oscillating systems

timepiece only mechanisms

motive force (mainspring or weight driven)

gear train for transmitting of power

escapement for release power

oscillator for controlling the speed of release of power

winding (by key)

time setting (by key or direct movement of hands)

Clock handoverincludes the following:

informing customer of features and characteristics of clock

demonstrating winding and setting procedures for clock

inform customer of operation and switching of any automatic night silent, or shut-off for chiming or striking mechanism

warranty information

date of installation

Record and document repair process includes one (1) or more of the following:

extent and date of repair recorded

tracking of subcontractors

cost of replacement parts

time spent on procedure

Appropriate working environment includes the following:

clean bench and working area

adequate lighting and ventilation

tools and equipment organised and in good condition

ergonomic seating, including bench height

Condition and faults include one (1) or more of the following:

originality of components

corrosion

cleanliness

wear

damaged or failed components

Faulty or worn components include one (1) or more of the following:

barrel and mainspring:

hooking

teeth

bearings

gear trains:

bearings

pivots

pinions

pendulum escapements:

pallets and escape wheels engagement drop

locking and impulse

oscillators pendulum type:

rod

crutch engagement

suspension spring fittings

bob security

oscillators balance type:

balance spring

balance staff

roller

winding mechanisms:

key fitting

click

ratchet wheel

click spring

setting hand tension or centre wheel friction

Hand tools and equipment include one (1) or more of the following:

clock repairers' hand tools:

tweezers

screwdrivers

eyeglasses

clock mainspring winder

clock re-bushing tool

reamers and smoothing broaches

lathe

oilstones and burnishers

movement supports for clock movements

oilers and oil pots

cleaning brushes, peg wood, solutions, rinses and solvents

clock timing machine (this includes any type of machine that provides frequency count or indication of daily rate)

Verify and adjust hand setting tension includes one (1) or more of the following:

test for correct friction (power to escape wheel)

adjustment of motion work friction

Select and apply lubricants include one (1) or more of the following:

correct lubricants for escapements, bearings, barrels and mainsprings

techniques for lubricating

Clock assembly inspections and precautions include one (1) or more of the following:

gear train end shake, backlash, lubrication

mainspring engagement, hooking, tension, lubrication

escapement operation, depthing, lubrication

pendulum oscillator (amplitude, crutch engagement or suspension function)

balance oscillators (end shake or balance spring condition, correct lubrication)

Performance and design characteristics include one (1) or more of the following:

source of motive force

escapement type

oscillator and pendulum construction