8) This describes the essential skills and knowledge and their level, required for this unit. Evidence shall show that knowledge has been acquired of safe working practices and repairing and maintaining gas fuelled reciprocating engines. All knowledge and skills detailed in this unit should be contextualised to current industry standards, technologies and practices. The extent of the essential knowledge and associated skills (EKAS) required is given below. It forms an integral part of this unit. KS01-PM368A Repairing and maintaining gas fuelled reciprocating engines Evidence shall show an understanding of repairing and maintaining stationary gas fuelled reciprocating engines, applying safe working practices and relevant Standards, Codes and Regulations to an extent indicated by the following aspects: T1. Gas fuels encompassing: Types, properties and applications Safety Hazards Combustion Ignition types T2. Gas fuelled reciprocating engines encompassing: Types Major components Operating principles Manufacturer’s specifications and diagrams T3. Fuel train requirements encompassing: Pipe-work and connections Valves Metering devices Regulating valves Electrical controls T4. Exhaust/flue requirements encompassing: Materials Terminations Sizing T5. Location’s ventilation requirements encompassing: Locations Materials Calculations Interlocks T6. Hazardous area requirements encompassing: Locations Housing requirements Distances T7. Codes, regulations and standards encompassing: AS 3814 AS 5601 T8. Design specifications encompassing: Accessing Analysis and interpretation Calculations T9. Required authority to proceed encompassing: Regulatory requirements (Scope and restrictions) Standards and code of practice requirements. Required documentation and submissions T10. Site Arrangements encompassing: Location and environment Piping requirements for gas fuel train pipe-work Suitable equipment/equipment plant locations T11. Site Safety encompassing: Hazards Checklists Reports T12. Engine diagrams encompassing: Mechanical layouts Gas pipe-work drawings Electrical circuits T13. Fault finding encompassing: Taking readings and gathering information Symptoms and possible faults Logical fault diagnosis sequence and flow charts Manufacturer’s fault diagnosis tables Confirming actual fault T14. Disconnect requirements and procedures encompassing: Regulator, business and customer requirements Manufacturers specifications and procedures T15. Repairs and maintenance requirements and procedures encompassing: Gas train pipe-work and components Exhaust/flue system Ventilation system Oil change Oil and air filter replacement T16. Reconnection requirements and procedures encompassing: Regulator, business and customer requirements Manufacturers specifications and procedures Inspection of the installed engine, pipe-work, components and accessories Pressure testing and purging Testing engine operation first without and then with fuel Testing and adjusting regulator, operation and safety controls Exhaust gases analysis. Compliance with design specification, regulations, codes, standards and manufacturers specifications back to Commissioned settings Documentation and reports As-installed’ plant and equipment components, pipe-work, flue/exhaust systems and accessories are documented and reported |