Specific knowledge is required to achieve the Performance Criteria of this unit, particularly its application in a variety of circumstances in which the unit may be used. This includes knowledge of the following, to inspect, test and maintain diesel engine systems and their ancillary systems: site risk, statutory compliance, health, safety, environmental, quality and communication requirements and procedures limitations on allowable maintenance including work in hazardous environments limitations on allowable modifications and the required controls and procedures site and manufacturer’s requirements and procedures the relative characteristics, performance and suitability for the underground use of common diesel engine types including; two stroke or four stroke, directly injected or indirectly injected (pre-combustion), naturally aspirated or charge boosted (turbocharged or super-charged) intake systems basic type of mechanical fuel delivery systems including; distributor type pumps (VE) jerk type pumps pressure/time type pumps (PT) hydraulic injectors (internal pintle) basic type of electrical/electronic fuel delivery and engine management systems including; unit injectors [HEUI (hydraulic electric unit injectors), MEUI (mechanical electric unit injectors and piezo] the effect of increased injection pressure on performance and emissions the controls, sensors and management systems integrated into ECMs characteristics of materials used in the diesel engine system, items required to be used in performance of inspection, testing and maintenance tasks tools required for the performance of inspection, testing and maintenance tasks provisions of AS/NZS3584.1, 2 and 3 relating to fasteners and joints recognise the requirements and performance of various types of fasteners, including bolts, studs, threads and washers site inspection, testing and maintenance support requirements and availability site work area inspection requirements site work area safeguarding options and requirements site isolation and lock-out requirements and procedures site hazard and emergency procedures site inspection, testing and maintenance reporting requirements and procedures site inspection, testing and maintenance record procedures site requirements and procedures for working in isolation site requirements for the use of personal protective equipment |