MEM11011

Undertake manual handling

MEM13015

Work safely and effectively in manufacturing and engineering

MEM16006

Organise and communicate information

MEM18001

Use hand tools

MEM21008

Service mechanical watches

Elements describe the essential outcomes.

Performance criteria describe the performance needed to demonstrate achievement of the element.

1

Determine servicing requirements 

1.1

Follow standard operating procedures (SOPs)

1.2

Comply with work health and safety (WHS) requirements at all times

1.3

Identify watch construction, function and characteristics

1.4

Source manufacturer technical guidance information to determine correct tolerances and specifications

1.5

Prepare watch for handover

1.6

Record and document repair process

2

Inspect mechanical watches 

2.1

Select and use appropriate personal protective equipment (PPE) in accordance with SOPs

2.2

Undertake inspections of watch movements in accordance with manufacturer tolerances and procedures

2.3

Make accurate observations of the condition and function of components and sub-assemblies

2.4

Remove and replace components and sub-assemblies in a sequence designed to accurately assess condition and faults during the process of dismantling and assembling

2.5

Inspect lubrication quantity and condition

3

Diagnose faults in mechanical watches 

3.1

Evaluate observations and watch performance characteristics to determine appropriate repair procedure

3.2

Analyse timekeeping performance using appropriate techniques and equipment

3.3

Make alterations in a logical sequence to diagnose faults

4

Repair and adjust mechanical watches 

4.1

Select and use appropriate hand tools

4.2

Undertake dismantling and reassembling of watch movements according to industry standard procedures and manufacturer guidelines

4.3

Make precise corrections to sub-assemblies

4.4

Remove, dismantle, replace and reassemble sub-assemblies and components in correct order without damaging or marking

4.5

Select appropriate replacement components

5

Test and adjust watch function and performance 

5.1

Verify and confirm function of watch movement and sub-assemblies

5.2

Verify watch performance and rate testing

5.3

Adjust, as required, according to manufacturer specifications

5.4

Repeat testing, as required, to confirm performance

6

Apply industry workshop standards to perform work 

6.1

Use hand tools and equipment in a safe and correct manner

6.2

Handle components without damaging or marking

6.3

Establish a clean and safe work environment

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.

Watch construction, function and characteristics include one (1) or more of the following: 

• mainspring variation of motive force
• gear train freedom, including:

• end shakes
• side shakes
• backlash

• escapement operation performance
• oscillator amplitude, balance spring positional changes and influences
• winding and setting mechanisms

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

• end shakes, side shakes and clearances of operating components
• oscillators balance spring condition, shock protection operation, condition and component replacement
• functioning, clearances and safety action of the escapement system
• mainspring and barrel assembly condition
• gear train (including pivot, pinions or bearings conditions - wear and corrosion)
• winding and setting components (wear and end shake freedom)
• lubrication including type, application, quantity and cleanliness

Timekeeping performance includes one (1) or more of the following: 

• regulating system components adjustment
• balance spring condition, including:

• flat
• concentric
• beating evenly between curb pins

• beat error diagnosis and adjustment

Sub-assemblies and components include one (1) or more of the following: 

• balance and cock assembly
• escapement components
• barrel and mainspring assembly
• gear train
• winding and setting mechanisms, including motion work and canon pinion
• hand setting tension
• shock-resistance system
• calendar, winding system and other mechanisms
• power reserve

Watch performance/rate testing includes one (1) or more of the following: 

• in-beat adjustment without movable stud holder
• rate adjustment
• amplitude evaluation of watches performance

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

• timing machine
• staking set
• jewel press
• eyeglass, screwdrivers and tweezers
• case opening and closing tools

Appropriate working environment includes the following: 

• clean bench and working area
• adequate lighting and ventilation
• tools and equipment are organised and in good condition
• ergonomic seating
• ventilation