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, as required to test, diagnose the cause of and rectify excessive emissionlevels on diesel engines: 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 health effects of diesel exhaust emissions including; gaseous emissions diesel particulate matter: allowable limits (base line limits, raw exhaust and general body) emission test procedures (AS/NZS3584 & MDG 29) raw exhaust test procedure general body test procedure ventilation requirements for emission dilution mine management system to control emissions defects and failure modes that may cause non-compliant emissions (including increased backpressure) principles employed to limit the creation of and to manage harmful emissions from diesel engines that may include; engine settings and adjustments engine system maintenance electronic controls (ECM) and injection systems the emissions effects of increased air induction systems, including: super-charging and turbo-charging exhaust gas re-circulation (EGR) diesel oxidisation catalyst (DOC) selective catalytic reducer (SCR) particulate (smoke) filter (DPM) use of water-based conditioners the effect of distillate (diesel fuel) types on emissions 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 |