7232 Aircraft engine mechanics and fitters  

101317 Remove and install engine systems and components

(ก) ความต้องการด้านทักษะ

See Appendix A

(ข) ความต้องการด้านความรู้

See Appendix A

(a) Performance Evidence

     Evidence required to express competency in this unit must be related to and fulfil all of the requirements of the elements and performance criteria under the indicated conditions of assessment, and must include:

• Applying relevant WHS procedures, including the use of MSDS and PPE.

• Using relevant maintenance documentation and aircraft manuals.

• Through visual/physical inspection, recognising external and internal signs of defects in piston engines, components and system components.

• Assisting with testing of piston engine and engine system operation, be able to operate systems, monitor indications, record parameters and recognise correct function.

• Compiling engine condition monitoring records.

• Rigging and adjusting engine controls and systems, including FADEC (where FADEC is applicable to the enterprise).

• Using fault diagnosis guides and equivalent data to accurately and efficiently troubleshoot the causes of unserviceability in piston engines and engine systems, clearly record details and identify the required rectification actions.

    The fundamental skills inherent in this unit should be transferable across a range of inspection, testing and troubleshooting tasks (including the timely involvement of supervisors or other trades) associated with engine systems. It is crucial that system testing procedures consider all safety precautions associated with piston engine system operation, and that awareness be demonstrated of dual inspection requirements associated with work on engine controls.

    It is essential to be able to interpret inspection procedures and specifications (allowable limits) and apply them in practice. This shall be demonstrated through application across a number of engine system groups as specified in the Assessment Conditions. Knowledge of system operation including testing procedures and functional rigging checks should also be indicated.



(b) Knowledge Evidence

      Evidence required to demonstrate competency in this unit must be relevant to and satisfy all of the requirements of the elements and performance criteria and include knowledge of:

• WHS procedures associated with piston engine maintenance, including lifting and handling of heavy objects. 

• How to obtain MSDS.

•    Use of PPE.

•    Fault diagnosis techniques.

•    Piston engine and engine system layout and operation:

•   Four stroke engine theory of operation and performance.

•   Cylinder configurations.

•   Construction – components and materials.

•   Carburetors and air induction systems.

•   Fuel injection systems.

•   Fuels and their characteristics.

•   Ignition systems.

•   Lubricating systems and lubricants.

•   Cooling systems.

•   Exhaust systems.

•   Superchargers and turbochargers.

•   Accessory drives and mounts.

•   Controls and rigging of controls.

•   FADEC systems.

•   Piston engine maintenance requirements and troubleshooting procedures including ground running of engines.

•    System component operation, including electrical and instrument system interfaces:

•   Magnetos and ignition harnesses.

•   Spark plugs.

•   Fuel pumps.

•   Fuel filters.

•   Oil pumps.

•   Oil filters.

•   Oil tanks.

•   Vacuum pumps and air pumps.

•   Generators.

•   Starter motors.

•   Oil pressure gauges (direct reading).

•   Temperature gauges (direct reading).

•   Tachometers.

•   Manifold pressure gauges.

•   System and component maintenance requirements and troubleshooting procedures.

•    Relevant maintenance manuals.

•    Relevant regulatory requirements and standard procedures.



(c) Assessment recommendation

         N/A

(a) Recommendation

     Different working environments and conditions that may affect performance are admissible in this field. Crucial 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.



(b) Description

Piston engines and engine systems include:

• Engine (all types), main components and accessories/drives.

•  Control system, including full authority digital engine control (FADEC) (where FADEC is applicable to the enterprise).

• Lgnition and    starter systems.

•  Fuel, air systems and super/turbo chargers.

• Oil system.

   Procedures and requirements include:

• Industry standard procedures specified by manufacturers, regulatory authorities or the enterprise.

 

• The assessment are based on combination of paper exams, interviewing, and practical demonstrations depending on the assessors’ judgement.

• Competency should be assessed in the work environment or simulated work environment using tools and equipment stated in aircraft maintenance manuals. It is also expected that applicable general-purpose tools, test and ground support equipment found in most routine situations would be used where appropriate.

• Before undertaking any action, engine system operation knowledge, the relationship of individual components and the links with other systems will be necessary to supplement evidence of ability to carry out rigging checks and troubleshoot the system within the limits of the aircraft/system fault-finding guide. The work plan should consider applicable safety and quality requirements according to the industry and regulatory standards.

• Testing of engines fitted to helicopters (where auxiliary drive is not available) may be performed through the applicant directing a pilot qualified on type.

• A person cannot be assessed as competent until it can be demonstrated to the satisfaction of the workplace assessor that the relevant elements and performance criteria of the unit of competency are being achieved under routine supervision on at least one (1) item from each of the following groups:Engine (all types), main components and accessories/drives.

•  Control system, including FADEC (where FADEC is applicable to the enterprise).

•  Ignition and starter systems.

• Fuel, air systems and super/turbo chargers.

• Oil system.

• This shall be proven via the records in the Log of Industrial Experience and Achievement or, where appropriate, an equivalent Industry Evidence Guide (for details refer to the Companion Volume Assessment Guidelines).

•  Individuals being assessed who have already attained 101319 Maintain basic light aircraft engines and propellers will have satisfied the requirements of this unit with regard to common Range of Conditions variables. The Log of Industrial Experience and Achievement records relating to 101319  Maintain basic light aircraft engines and propellers may be accepted as also meeting the evidence requirements for this unit in the applicable common areas.