MEM21013
Service, test and adjust watch escapements


Application

This unit of competency defines the skills and knowledge required to inspect watch escapement components and operation, diagnose and rectify faults, replace components and adjust action to achieve optimum timekeeping performance for a watch escapement.

No licensing, legislative or certification requirements apply to this unit at the time of publication.

Band: A

Unit weight: 4


Elements and Performance Criteria

Elements describe the essential outcomes.

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

1

Determine job requirements

1.1

Follow standard operating procedures (SOPs)

1.2

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

1.3

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

1.4

Identify job requirements from specifications, job sheets or work instructions

2

Inspect watch escapement condition

2.1

Identify escapement type and construction

2.2

Inspect escapement components and condition

2.3

Observe escapement action for faults

2.4

Perform and confirm safety test action

2.5

Record and document repair process

3

Repair, replace and adjust watch escapement components

3.1

Establish an appropriate clean and safe work environment

3.2

Use hand tools and equipment in safe and correct manner

3.3

Handle components without damaging or marking

3.4

Adjust or replace components, as necessary

3.5

Adjust pallet stones and banking pins for optimum performance

3.6

Reconfirm safety test action

4

Test and adjust escapement function and performance

4.1

Verify and confirm escapement function and lubrication

4.2

Confirm escapement performance by assessing oscillator amplitude to manufacturer specifications

4.3

Reconfirm safety test action

4.4

Assess watch in various states of winding and position

4.5

Make adjustments to achieve performance within specification, as necessary

Foundation Skills

This section describes those required skills (reading, writing, oral communication and numeracy) that are essential to workplace performance in this unit of competency.

Foundation skills essential to performance are explicit in the performance criteria of this unit of competency.


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.

Equipment type and construction includes one (1) or more of the following:

recoil

frictional rest

detached

lever (Swiss or English)

co-axial

dual direct

chronometer (spring or pivoted detent)

cylinder

pin pallet

verge

duplex

semi-tangential

equidistant

circular

Escapement components and conditions include one (1) or more of the following:

escape wheel

lever

jewel pallet stones

fork

guard pin

roller and jewel

banking pins

alignment, division and end shake of escapement components

Safety test action includes one (1) or more of the following:

clearance of horns

clearance of guard pin

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

extent and date of repair

cost of replacement part

time spent on procedure

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

escapemeter

pallet stone warmer (spirit lamp or electric warmer)

shellac

banking pin adjusting tools

timing machine

staking tool

watch servicing hand tools:

roller remover

escapement files

burnishers

levers

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


Competency Field

Horology